US37471A - Improvement in the manufacture of soap - Google Patents
Improvement in the manufacture of soap Download PDFInfo
- Publication number
- US37471A US37471A US37471DA US37471A US 37471 A US37471 A US 37471A US 37471D A US37471D A US 37471DA US 37471 A US37471 A US 37471A
- Authority
- US
- United States
- Prior art keywords
- soap
- silicate
- alkali
- manufacture
- grease
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000344 soap Substances 0.000 title description 54
- 238000004519 manufacturing process Methods 0.000 title description 12
- BPQQTUXANYXVAA-UHFFFAOYSA-N silicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 38
- 239000003513 alkali Substances 0.000 description 26
- 239000004519 grease Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 14
- 239000000203 mixture Substances 0.000 description 12
- 239000012530 fluid Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000009835 boiling Methods 0.000 description 8
- 239000004615 ingredient Substances 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 229920005989 resin Polymers 0.000 description 8
- 150000004760 silicates Chemical class 0.000 description 8
- 239000003921 oil Substances 0.000 description 6
- 239000003760 tallow Substances 0.000 description 6
- 229920002472 Starch Polymers 0.000 description 4
- 235000013312 flour Nutrition 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 235000011187 glycerol Nutrition 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 239000008107 starch Substances 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate dianion Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N Sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001264 neutralization Effects 0.000 description 2
- 230000003472 neutralizing Effects 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
- 238000007127 saponification reaction Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2079—Monocarboxylic acids-salts thereof
Definitions
- . silicate to be employed contains.
- DUDLEY B. CHAPMAN, OF MILFORD, MASSACHUSETTS, ASSIGNOR IO HIM- SELF AND EBENEZER D. DRAPER, OF SAME PLACE.
- Another advantage which this process insures to the soap is that all the glycerine contained in the grease used is retained in the composition. This glycerine, having an affinity for the moisture contained in the atmosphere, prevents the soap from becoming too hard by age, as silicated soap is liable to do.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
Description
. silicate to be employed contains.
UNITED STATES PATENT OFFICE.
DUDLEY B. CHAPMAN, OF MILFORD, MASSACHUSETTS, ASSIGNOR IO HIM- SELF AND EBENEZER D. DRAPER, OF SAME PLACE.
IMPROVEMENT IN THE MANUFACTURE OF SOAP.
Specification forming part of Letters Patent No. 37,471. dated January 20, 1863.
a citizen of the United States of America, and
a resident of Milford,in the county of Worcester and State of Massachusetts, have invented a new or Improved Soap; and I do hereby declare the same to be fully described in the following specification.
Hitherto the method of using soluble alkaline silicates in the manufacture of soap has been to make a soap, in the usual manner, by boiling a hydrated alkali with grease, oil, or tallow, or one or more of these combined with resin, and while the soap was in a fluid state to reduce the soluble alkaline silicate to a fluid by the addition of water, and then mix it with the soap. By this process an alkaline silicate containing an excess of free alkali that is, more than suflicient alkali to hold the silex in solution, which most alkaline silicates do-cannot be used to advantage, because the excess of alkali in the silicate granulates or opens the soap in such a manner as to precipitate the silicated solution to the bottom. Therefore the use of highly-alkaline silicates in soap has been generally abandoned. By my process I can use in soap a silicate containing any quantity of free alkali and in such proportions that in some cases the quantity of alkaline silicate used will exceed in weight v all the other ingredients combined, thereby materially cheapenin g as well as improving the quality of soap.
In manufacturing soap by my process I first ascertain the quantity of free alkali which the I next, by the addition of water, reduce the silicate to a fluid or gelatinous condition, and when ready for use have it heated to about 40 centigrade. 1 next take a quantity of any one or more of the following ingredients sufficient to completely neutralize the excess of alkali which the silicate containsto, wit: grease, oil of any kind, tallow, resin, or any of these combined with flour or starch of any kind, and prepare them by heating the grease, oil, tallow, or resin, as the case may be, to about 70 centigrad'e, at which heat I add'the alkaline silicate prepared as above and mix thoroughly by stirring for a short time. Next mold the mixture in frames and allow it to cool. If I use flour or starch in the combination, Imix it in a dry state with the melted grease or fatty matter before adding the silicate. If the excess of alkali in the silicate is mostly caustic, the soap thus made will in the course of three or four days he fit to cut up or formed into bars either for use or'sale. Should the alkali be mostly a carbonate, the mass should be reheated in a day or two to about 80 centigrade, and next it should be framed, after -whichviz., about two days-it will be ready to be cut or formed into bars. In this way I obtain a very fine neutral soap in a much cheaper manner than by any other process. The excess of alkali in the silicate completely saponilies the ingredients used to neutralize it, and these ingredients in the process of saponification absorb all the excess of water with which we are obliged to dilute silicates in order to render them sufiiciently fluid to combine with soap. Therefore a soap made in this manner will not shrink in weight near so much as a soap in which a fluid silicate is mixed after the soap is finished, for such soaps have already taken up about forty per cent. of water from the hydrated alkali with which they are boiled, and the extra water in the silicate only tends to impair their value.
Another advantage which this process insures to the soap is that all the glycerine contained in the grease used is retained in the composition. This glycerine, having an affinity for the moisture contained in the atmosphere, prevents the soap from becoming too hard by age, as silicated soap is liable to do.
I do not herein claim the production of a soap by mixing a: simple alkali with melted grease or a resin. Nor do I claim a soap made by neutralizing a grease or fat by an alkali and afterward adding an alkaline silicate thereto. Nor do I claim a soap made by adding, in two or more quantities of different specitic gravities and at difierent times, to hot grease or a fatty or other matter used in making soap a solution of an alkaline silicate (soluble glass) and boiling the mixture after the first or each addition of the silicate; but
I claim as my invention and as an improved manufacture A soap made in the improved manner hereinbefore described--viz., of a hot fatty matter or matters and a solution of alkaline silicate combined at one operation without the process of being boiled after the addition of the solution of silicate to the hot fat.
DUDLEY B. CHAPMAN.
Witnesses:
F. P. HALE, J r., E. D. DRAPER.
Publications (1)
Publication Number | Publication Date |
---|---|
US37471A true US37471A (en) | 1863-01-20 |
Family
ID=2107048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US37471D Expired - Lifetime US37471A (en) | Improvement in the manufacture of soap |
Country Status (1)
Country | Link |
---|---|
US (1) | US37471A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040256026A1 (en) * | 2000-02-11 | 2004-12-23 | Daniel Py | Medicament vial having a heat-sealable cap, and apparatus and method for filling the vial |
US20060191594A1 (en) * | 2000-02-11 | 2006-08-31 | Daniel Py | Device with needle penetrable and laser resealable portion and related method |
-
0
- US US37471D patent/US37471A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040256026A1 (en) * | 2000-02-11 | 2004-12-23 | Daniel Py | Medicament vial having a heat-sealable cap, and apparatus and method for filling the vial |
US20060191594A1 (en) * | 2000-02-11 | 2006-08-31 | Daniel Py | Device with needle penetrable and laser resealable portion and related method |
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