US1919690A - Method of and means for permanently waving hair - Google Patents
Method of and means for permanently waving hair Download PDFInfo
- Publication number
- US1919690A US1919690A US587890A US58789032A US1919690A US 1919690 A US1919690 A US 1919690A US 587890 A US587890 A US 587890A US 58789032 A US58789032 A US 58789032A US 1919690 A US1919690 A US 1919690A
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- heat
- hair
- chemical
- development
- permanent wave
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/16—Materials undergoing chemical reactions when used
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D7/00—Processes of waving, straightening or curling hair
- A45D7/06—Processes of waving, straightening or curling hair combined chemical and thermal
- A45D7/065—Processes of waving, straightening or curling hair combined chemical and thermal using wrappers with chemical heat reaction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/24—Thermal properties
- A61K2800/242—Exothermic; Self-heating; Heating sensation
Definitions
- This invention relates to that class of hair waving in which a so-called permanent wave is imparted to a pro-formed tress of hair by subjecting the tress to the actlon of a heating chemical, such as calcium oxide, which, when moistened, will of itself gencrate suflicient heat to impart a permanent wave to the said tress.
- a heating chemical such as calcium oxide
- This invention comprises a novel method of and a novel means forv controlling the development of the heat generated by the self heating chemical wherein certain ma-. terials' are used to delay the development of the heat, or to accelerate the develo ment of the heat over a longer period -0 time of the heat or to extend the development than couldbe done by the self heating chemical itself, said materials bein for delaying and then accelerating the natural heat development or for delaying,'then accelerating, and finally extending the heat development.
- an inert powder such as V starch
- V starch may be combined in the desired proportions with the heating chemical which is in its dry state, so that when the combined materials are used in a hair waving pad of any well known or approved form, the development of the heat. by the heating chemi-- cal is delayed, as required, to produce the best efi'ects.
- the starch acts to delay the reaction between the solution and the heating chemical, probably by preventing the rapid wetting of the ligating chemica
- Another way to delay the development of the heat is to combine with the heating used also,
- dry base such,'for instance, as sodium hydroxide with the heating chemical for delaying the development of the heat.
- Another way to extend the development of the heat would be to combine with the heating chemical or the solution a substance which would emit a volatile gas, thereby removing the heat and keeping the temperature down.
- a substance would be an ammonia compound.
- the rate of cooling after the development of the heat has ceased can be successfully controlled by enclosing the heating chemical in a covering of heat insulating material, such as absestos for the, desired length of time.
- the swellin solution a salt, such as ammonium sulphate.
- the heatin chemlcal may be used in its dry powdered or wool, so that the heat will be retained state or that it may be pressed into easily friable cakes, in which case a suitable binder, such as dry glycerine, etc, may be used.
- Fig. 1 represents an inside plan view of the pad in its unwrapped condition, the inner absorbent sheet being shown at the side of the pad and the inner wrapper sheet being shown unfolded;
- Fig. 2 represents an inside plan view of the pad in its unwrapped condition after the inner wrapper flap has been perforated and the inner face of the chemical containing envelope has been perforated, the inner absorbent sheet being shown interposed between the inner face of the heating chemical containing envelope and the inner wrapper flap;
- Fig. 3 represents a side view of the pad -wrapped around a wound tress as in use
- Fig. 4 represents a longitudinal'central section through the wrapped pad.
- the outer wrapper of the hair-waving pad is denoted by 1 and is preferably made of non-absorbent material, as for instance paper.
- the inner wrapper is denoted by 2 and is preferably made of metal foil. This inner wrapper is provided with a foldable flap 3.
- An envelope 4 composed of a perforable impervious material, such as metal foil, is attached to the inner face of the inner wrapper 2, which envelope contains a heating chemical, such as calcium oxide in powdered form, which chemical, when moistened, will of itself generate suflicient heat to impart a so-called permanent wave to a preformed tress when enclosed within the pad.
- An inner removable sheet 5 of absorbent material, such as cotton fabric is arranged to be moistened and inserted between the flap 3 and the envelope 4 after the inner face of the envelope 4 and'the folded over flap 3 of the inner wrapper have been perforated. The pressing of the flap back into place will squeeze the moisture from the wetted inner sheet into the envelope containing the heating chemical.
- the tress 6 is wound as usual around a mandrel 7.
- the tres's' may be moistened either before or after it is wound, by a suitable waving solution, such for instance as an ammonia solution.
- a suitable waving solution such for instance as an ammonia solution.
- the inner face of the impervious envelope 4 containing the hair waving chemical is perforated as shown at 8, and the folded over flap 3 of the inner wrapper may be perforated at the same time as shown at 9.
- the inner sheet 5 is moistened by water or by a suit-able hair waving solution, such as that used for moistening the tress 6.
- Either the solution or the self heating chemical within the envelope may be treated I per of the pad around the same.
- the exothermic action starts at once because of the application of moisture by the wetted inner sheet 5 of the pad to the self heating chemical through the perforations in the inner face of the impervious envelope.
- a regulable heat is then set up within the pad in order to impart a so called permanent wave to the pre-formed tress without requiring application of heat from an outside source.
- the outside wrapper of the pad serves to confine the heat to a large extent within the pad, the steam generated by the combination of the treating solution with the chemical being permitted to escape through the crimped outer end of the outer wrapper.
- Means for waving hair including a chemical which, when moistened, will generchemical which, when moistened, will gen- 4 erate sufficient heat to impart a permanent wave to the hair and a material combined with said heating chemical for controlling the natural development of the heat without raising its temperature.
- Means for waving hair including a chemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair and a solution combined with said heating chemical for controlling the development of the heat.
- Means for waving hair including a chemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair and a-material combined with said heating chemical for delaying the natural development of the heat without raisin its temperature.
- leans for waving hair including a chemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair and a solution combined with said heating chemical for delaying the develo ment of the heat.
- eans' for waving hair including a chemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair and an inert powder, as starch, combined with the heating chemical for delaying the development of the heat.
- Means for waving hair including a chemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair, and a salt, such as am monium sulphate, combined with said heatmg chemical for controlling the develop: ment of the heat.
- Means for waving hair including achemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair, and a solution of a salt, such as ammonium sulphate combined with said heating chemical for controlling the development of the heat.
- a salt such as ammonium sulphate
- Means for waving hair including a chemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair, and a salt, such as ammonium sulphate combined with said heating chemical for'delaying the development of the heat.
- Means for waving hair including a chemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair, and a solution of a salt, such as ammonium sulphate combined with said heating chemical for delaying the development of the heat.
- Means for waving hair including a chemical which when.moistened, will generate sufficient heat to impart a permanent wave to the hair, and a soluble neutral substance, as sugar, combined with said heating chemical, for delaying the development of the heat.
- Means for waving hair including a chemical which when moistened, will generate sufficient heat to impart a permanent wave to the hair, and a solution of a neutral substance, such as sugar combined with said heating chemical, for delaying the development of the heat.
- Means for waving hair including a chemical which, when moistened, will generate sufiicient heat to impart a permanent wave to the hair, and means for first delaying and then accelerating the natural development of the heat without raising its temperature.
- Means for waving hair including a chemical which, when moistened, will generate suflicient heat to impart a permanent wave to the hair, and means combined with said heating chemical for first delaying and then accelerating the natural developmentof the heat without raisin its temperature.
- Means for waving air including a chemical which, when moistened, will generate suflicient heat to impart a permanent wave to'the hair, and means for accelerating the natural development of the heat without raisin its temperature and then extending the evelopment of the heat over a considerable period of time.
- Means for waving 'hair including a chemical which whenmoistened, will generate suflicient heat to impart a permanent wave to the hair, and means combined with said heating chemical for accelerating the natural development of the heat without raising its temperature and then extending the development of the'heat over a considerable period of time.
- Means for waving hair including a chemical which, when moistened, will generate suflicient heat .to impart a permanent wave to the hair, and means for delaying and then accelerating the natural development of the heat without raisin its temperature and finally extending t e development of the heat over a considerable period of time.
- Means for waving hair including 'a chemical which, when moistened, will generate sufiicient heat to impart a permanent wave to the hair, and means combined with said heating chemical for delaying and then accelerating the natural development of the heat without raising its temperature and finally extending the development of the heat over a considerable period of time.
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Cosmetics (AREA)
Description
R. L EVANS July 25, 1933.
'IIETHOD OF AND MEANS FOR PERMANENTLI WAVING HAIR Filed Jan. 21, 1932 AITORNEYS Patented July 25, I933 UNITEOSTATES PATENT orrlcsf RALPH L. EVANS,
OF NEW YORK, N. Y., ASSIGNOR TO ZOTOS CORPORATION, OF NEW YORK, N. Y., A CORPORATION OF NEW YORK METHOD or AND MEANS ron rnnmnnanrnx wavme 11am Application filed January 21, 1982. Serial No. 587,890.
This invention relates to that class of hair waving in which a so-called permanent wave is imparted to a pro-formed tress of hair by subjecting the tress to the actlon of a heating chemical, such as calcium oxide, which, when moistened, will of itself gencrate suflicient heat to impart a permanent wave to the said tress.
This invention comprises a novel method of and a novel means forv controlling the development of the heat generated by the self heating chemical wherein certain ma-. terials' are used to delay the development of the heat, or to accelerate the develo ment of the heat over a longer period -0 time of the heat or to extend the development than couldbe done by the self heating chemical itself, said materials bein for delaying and then accelerating the natural heat development or for delaying,'then accelerating, and finally extending the heat development.
I have discovered that by controlling the development of the heat generated by the exothermically acting chemical I am enabled to ensure the effective waving of the hair with a minimum liability of burn ng the hair or the scalp of the sub ect bemg treated and with the least possible discomfort to the subject.
. I have found that the development of the heat generated by the reaction of the self heating chemical with its moistening solution may be delayed in several effective ways. For instance, an inert powder, such as V starch, may be combined in the desired proportions with the heating chemical which is in its dry state, so that when the combined materials are used in a hair waving pad of any well known or approved form, the development of the heat. by the heating chemi-- cal is delayed, as required, to produce the best efi'ects. It will be understood that the starch acts to delay the reaction between the solution and the heating chemical, probably by preventing the rapid wetting of the ligating chemica Another way to delay the development of the heat is to combine with the heating used also,
dry base such,'for instance, as sodium hydroxide with the heating chemical for delaying the development of the heat.
I have found that the development of the heat generated bythe reaction of the selfheating chemical with its moistening solution may be accelerated as, for instance, by the use of an acidic material, either in the dr state combined with the heating chemiea or in the solution used to moisten the heating chemical. For example, aluminum sulphate.
I have also found that the development of the'heat may be extended successfully over a considerable period of time b combiningwith the heating chemical a diluent, such as sand.
Another way to extend the development of the heat would be to combine with the heating chemical or the solution a substance which would emit a volatile gas, thereby removing the heat and keeping the temperature down. Such a substance would be an ammonia compound.
I have also found that the rate of cooling after the development of the heat has ceased can be successfully controlled by enclosing the heating chemical in a covering of heat insulating material, such as absestos for the, desired length of time.
I have also found "that the swellin solution a salt, such as ammonium sulphate. It is to be understood that the heatin chemlcal may be used in its dry powdered or wool, so that the heat will be retained state or that it may be pressed into easily friable cakes, in which case a suitable binder, such as dry glycerine, etc, may be used.
An example of a hair waving pad embodying my invention is represented in the accompanying drawing in which:
Fig. 1 represents an inside plan view of the pad in its unwrapped condition, the inner absorbent sheet being shown at the side of the pad and the inner wrapper sheet being shown unfolded;'-
Fig. 2 represents an inside plan view of the pad in its unwrapped condition after the inner wrapper flap has been perforated and the inner face of the chemical containing envelope has been perforated, the inner absorbent sheet being shown interposed between the inner face of the heating chemical containing envelope and the inner wrapper flap;
Fig. 3 represents a side view of the pad -wrapped around a wound tress as in use;
and
Fig. 4 represents a longitudinal'central section through the wrapped pad.
The outer wrapper of the hair-waving pad is denoted by 1 and is preferably made of non-absorbent material, as for instance paper. The inner wrapper is denoted by 2 and is preferably made of metal foil. This inner wrapper is provided with a foldable flap 3. An envelope 4 composed of a perforable impervious material, such as metal foil, is attached to the inner face of the inner wrapper 2, which envelope contains a heating chemical, such as calcium oxide in powdered form, which chemical, when moistened, will of itself generate suflicient heat to impart a so-called permanent wave to a preformed tress when enclosed within the pad.
An inner removable sheet 5 of absorbent material, such as cotton fabric is arranged to be moistened and inserted between the flap 3 and the envelope 4 after the inner face of the envelope 4 and'the folded over flap 3 of the inner wrapper have been perforated. The pressing of the flap back into place will squeeze the moisture from the wetted inner sheet into the envelope containing the heating chemical.
In practice, the tress 6 is wound as usual around a mandrel 7. The tres's'may be moistened either before or after it is wound, by a suitable waving solution, such for instance as an ammonia solution. The inner face of the impervious envelope 4 containing the hair waving chemical is perforated as shown at 8, and the folded over flap 3 of the inner wrapper may be perforated at the same time as shown at 9. The inner sheet 5 is moistened by water or by a suit-able hair waving solution, such as that used for moistening the tress 6.
Either the solution or the self heating chemical within the envelope may be treated I per of the pad around the same. The exothermic action starts at once because of the application of moisture by the wetted inner sheet 5 of the pad to the self heating chemical through the perforations in the inner face of the impervious envelope. A regulable heat is then set up within the pad in order to impart a so called permanent wave to the pre-formed tress without requiring application of heat from an outside source. It will be seen that the outside wrapper of the pad serves to confine the heat to a large extent within the pad, the steam generated by the combination of the treating solution with the chemical being permitted to escape through the crimped outer end of the outer wrapper.
The method of and means for accelerating the development of the heat, described but not claimed herein forms the subject matter of my divisional application filed the twenty-first day of September, 1932, Serial No. 634,132.
The method of and means for extending the development of the heat over a longer period of time than could .be done by the .heating chemical itself, which is described but not claimed herein forms the subject matter of my divisional application filed the twenty-second day of September, 1932, Serial N0. 634,290.
The method and means for controlling the rate of cooling after the development of heat generated by the self heating chemical has ceased, which is described but not claimed herein forms the subject matter of my divisional application filed the third day of June, 1932, Serial No. 615,081.
The hair waving pad shown and described but not claimed herein forms the subject matter of my divisional application was originally disclosed and claimed herein now forms the subject matter of my divisional application filed the th day of November, 1932, its serial number being 641,979.
What I claim is:
1. Means for waving hair including a chemical which, when moistened, will generchemical which, when moistened, will gen- 4 erate sufficient heat to impart a permanent wave to the hair and a material combined with said heating chemical for controlling the natural development of the heat without raising its temperature.
4. Means for waving hair including a chemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair and a solution combined with said heating chemical for controlling the development of the heat.
5. Means for waving hair including a chemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair and a-material combined with said heating chemical for delaying the natural development of the heat without raisin its temperature.
6. leans for waving hair including a chemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair and a solution combined with said heating chemical for delaying the develo ment of the heat.
eans' for waving hair including a chemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair and an inert powder, as starch, combined with the heating chemical for delaying the development of the heat.
8. Means for waving hair including a chemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair, and a salt, such as am monium sulphate, combined with said heatmg chemical for controlling the develop: ment of the heat.
9. Means for waving hair including achemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair, and a solution of a salt, such as ammonium sulphate combined with said heating chemical for controlling the development of the heat.
10. Means for waving hair including a chemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair, and a salt, such as ammonium sulphate combined with said heating chemical for'delaying the development of the heat.
11. Means for waving hair including a chemical which, when moistened, will generate sufficient heat to impart a permanent wave to the hair, and a solution of a salt, such as ammonium sulphate combined with said heating chemical for delaying the development of the heat.
12. Means for waving hair including a chemical which when.moistened, will generate sufficient heat to impart a permanent wave to the hair, and a soluble neutral substance, as sugar, combined with said heating chemical, for delaying the development of the heat.
13. Means for waving hair including a chemical which when moistened, will generate sufficient heat to impart a permanent wave to the hair, and a solution of a neutral substance, such as sugar combined with said heating chemical, for delaying the development of the heat.
14..v Imparting a permanent-wave to hair by subjecting the hair to heat generated by the reaction of an exothermic material with a moistenin medium, the natural develo ment of the heat being delayed without raising its temperature by combining a suitable medium with the exothermic material. 15. Imparting a permanent wave to hair by subjecting the hair to heat generated by the reaction of an-exothermic material with a moistening medium, the natural development of the heat being delayed by combining an inert powder with the exothermic material.
16. Imparting a permanent wave to hair by subjecting the hair to heat generated by the reaction of an exothermic material with a moistening medium, the natural development of the heat being delayed by combin- 7 ing starch with the exothermic material.
17. Imparting apermanent wave to hair by subjecting the hair to heat generated by the reaction of an exothermic material with a moistening medium, the natural development of the heat being delayed without raising its temperature by combining a salt with v the exothermic material.
'18. Imparting a permanent wave to hair by subjecting the hair to heat generated by the reaction of an exothermic material with a moistening medium, the natural development of the heat being delayed by combining ammonium sulphate with the exothermic material.
19. Imparting a permanent wave. to hair by subjecting the hair to heat generated by the reaction of an exothermic material with Y a moistening medium, the natural development of the heat being dela ed without raising its temperature by com ining a dry base with the exothermic materiah 20. Imparting a permanent wave to hair by subjecting the hair to heat generated by the reaction of an exothermic material with a moistening medium, the natural development of the heat bein delayed without raising its temperature y combining sodium hydroxide with the exothermic material.
21. Imparting a permanent wave to hair by subjecting the hair to heat generated by the reaction of an exothermic material with a moistening medium, the natural development of the heat being delayed without raising its temperature by combining a soluble neutral substance with the exothermic material.
22. Imparting a permanent wave to hair by-subjecting the hair to heat generated by the reaction of an exothermic material with a moistening medium, the natural development of the heat being delayed by combining sugar with the exothermic material.
23. Means for waving hair including a chemical which, when moistened, will generate sufiicient heat to impart a permanent wave to the hair, and means for first delaying and then accelerating the natural development of the heat without raising its temperature.
24. Means for waving hair including a chemical which, when moistened, will generate suflicient heat to impart a permanent wave to the hair, and means combined with said heating chemical for first delaying and then accelerating the natural developmentof the heat without raisin its temperature. 25. Means for waving air including a chemical which, when moistened, will generate suflicient heat to impart a permanent wave to'the hair, and means for accelerating the natural development of the heat without raisin its temperature and then extending the evelopment of the heat over a considerable period of time.
26. Means for waving 'hair including a chemical which whenmoistened, will generate suflicient heat to impart a permanent wave to the hair, and means combined with said heating chemical for accelerating the natural development of the heat without raising its temperature and then extending the development of the'heat over a considerable period of time. 1
' '27. Means for waving hair including a chemical which, when moistened, will generate suflicient heat .to impart a permanent wave to the hair, and means for delaying and then accelerating the natural development of the heat without raisin its temperature and finally extending t e development of the heat over a considerable period of time.
28. Means for waving hair including 'a chemical which, when moistened, will generate sufiicient heat to impart a permanent wave to the hair, and means combined with said heating chemical for delaying and then accelerating the natural development of the heat without raising its temperature and finally extending the development of the heat over a considerable period of time.
29. Imparting a permanent wave to hair by subjecting the hair to heat generated by the reaction of an exothermic material with a moistening medium, the natural development of the heat being delayed and then accelerated without raising its temperature.
30. Impartin a permanent wave to hair by subjecting t e hair to heat generated by the reaction of an exothermic material with a moistenin medium, the natural development of the eat being del'a ed and then accelerated without raising its temperature, by combining a suitable-medium with the exothermic material.
31. Impartin a permanent wave to hair by subjecting t e hair to heat generated b the reaction of an exothermic material wit amoistening medium, the natural development of the heat being accelerated and extended over a considerable period of time. 32. Imparting a permanent wave to hair by subjecting the hair to heat generated'by the reaction of an exothermic material with a moistening medium, the natural development of the heat being accelerated and extended over a considerable period of time, by combining a suitable medium with the exothermic material.
33. Imparting a permanent wave to hair b subjecting the hair to heat generated by tli e reaction of an exothermic material with a moistening medium, the natural development of the heat being delayed, then accelerated and finally extended over a considerable period of time.
34. Impartin a permanent wave to hair by subjecting the hair to heat generated by the reaction of an exothermic material wit a moistening medium, the natural development of the heat being delayed, then accelerated and finally extended over a considerable period of time, by combining a suitable medium with the exothermic material.
RALPH L. EVANS.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US587890A US1919690A (en) | 1932-01-21 | 1932-01-21 | Method of and means for permanently waving hair |
US609755A US1875228A (en) | 1932-01-21 | 1932-05-06 | Hair waving pad |
US615081A US1889746A (en) | 1932-01-21 | 1932-06-03 | Method of and means for permanently waving hair |
US615080A US1907052A (en) | 1932-01-21 | 1932-06-03 | Method of and means for permanently waving hair |
US634132A US1894032A (en) | 1932-01-21 | 1932-09-21 | Method of and means for permanently waving hair |
US634290A US1892426A (en) | 1932-01-21 | 1932-09-22 | Method of and means for permanently waving hair |
US641979A US1892389A (en) | 1932-01-21 | 1932-11-10 | Method of and means for permanently waving hair |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US587890A US1919690A (en) | 1932-01-21 | 1932-01-21 | Method of and means for permanently waving hair |
Publications (1)
Publication Number | Publication Date |
---|---|
US1919690A true US1919690A (en) | 1933-07-25 |
Family
ID=24351598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US587890A Expired - Lifetime US1919690A (en) | 1932-01-21 | 1932-01-21 | Method of and means for permanently waving hair |
Country Status (1)
Country | Link |
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US (1) | US1919690A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4958648A (en) * | 1988-10-26 | 1990-09-25 | Morey Booker W | Hair roller and heat source therefor |
US20060005827A1 (en) * | 2004-05-04 | 2006-01-12 | Candle Corporation Of America | Heater product, system and composition |
-
1932
- 1932-01-21 US US587890A patent/US1919690A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4958648A (en) * | 1988-10-26 | 1990-09-25 | Morey Booker W | Hair roller and heat source therefor |
WO1992004841A1 (en) * | 1988-10-26 | 1992-04-02 | Morey Booker W | Hair roller and heat source therefor |
US20060005827A1 (en) * | 2004-05-04 | 2006-01-12 | Candle Corporation Of America | Heater product, system and composition |
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