CA969960A - Pressure sensitive copying paper - Google Patents
Pressure sensitive copying paperInfo
- Publication number
- CA969960A CA969960A CA130,041A CA130041A CA969960A CA 969960 A CA969960 A CA 969960A CA 130041 A CA130041 A CA 130041A CA 969960 A CA969960 A CA 969960A
- Authority
- CA
- Canada
- Prior art keywords
- pressure sensitive
- copying paper
- sensitive copying
- paper
- pressure
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
- B41M5/132—Chemical colour-forming components; Additives or binders therefor
- B41M5/136—Organic colour formers, e.g. leuco dyes
- B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
- B41M5/1455—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring characterised by fluoran compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B11/00—Diaryl- or thriarylmethane dyes
- C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
- C09B11/10—Amino derivatives of triarylmethanes
- C09B11/24—Phthaleins containing amino groups ; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B57/00—Other synthetic dyes of known constitution
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Color Printing (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP45112052A JPS4916725B1 (en) | 1970-12-15 | 1970-12-15 | |
US00208432A US3825544A (en) | 1970-12-15 | 1971-12-15 | 7 piperazinofluorans |
US00310586A US3844817A (en) | 1970-12-15 | 1972-11-29 | Pressure sensitive copying paper |
Publications (1)
Publication Number | Publication Date |
---|---|
CA969960A true CA969960A (en) | 1975-06-24 |
Family
ID=27312163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA130,041A Expired CA969960A (en) | 1970-12-15 | 1971-12-13 | Pressure sensitive copying paper |
Country Status (3)
Country | Link |
---|---|
US (2) | US3825544A (en) |
CA (1) | CA969960A (en) |
GB (1) | GB1338179A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH585110A5 (en) * | 1974-01-29 | 1977-02-28 | Ciba Geigy Ag | |
US5149689A (en) * | 1986-10-31 | 1992-09-22 | Ciba-Geigy Corporation | Fluoran color former mixture and use thereof in recording materials |
DE3779866D1 (en) * | 1986-10-31 | 1992-07-23 | Ciba Geigy Ag | FLUORINE COLOR IMAGE MIXTURE AND ITS USE IN RECORDING MATERIALS. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3649649A (en) * | 1967-07-10 | 1972-03-14 | Nisso Kako Co Ltd | Fluoran derivatives and preparation thereof |
GB1277545A (en) * | 1969-05-23 | 1972-06-14 | Fuji Photo Film Co Ltd | Fluoran compounds and pressure-sensitive copying paper |
US3694247A (en) * | 1970-05-11 | 1972-09-26 | Plastic Coating Corp | Heat-sensitive copying material |
-
1971
- 1971-12-13 GB GB5772571A patent/GB1338179A/en not_active Expired
- 1971-12-13 CA CA130,041A patent/CA969960A/en not_active Expired
- 1971-12-15 US US00208432A patent/US3825544A/en not_active Expired - Lifetime
-
1972
- 1972-11-29 US US00310586A patent/US3844817A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3844817A (en) | 1974-10-29 |
GB1338179A (en) | 1973-11-21 |
US3825544A (en) | 1974-07-23 |
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