CH572402A5 - - Google Patents
Info
- Publication number
- CH572402A5 CH572402A5 CH1020572A CH1020572A CH572402A5 CH 572402 A5 CH572402 A5 CH 572402A5 CH 1020572 A CH1020572 A CH 1020572A CH 1020572 A CH1020572 A CH 1020572A CH 572402 A5 CH572402 A5 CH 572402A5
- Authority
- CH
- Switzerland
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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Color Printing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3213671A GB1399839A (en) | 1971-07-08 | 1971-07-08 | Pressure-sensitive copying material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH572402A5 true CH572402A5 (enExample) | 1976-02-13 |
Family
ID=10333840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1020572A CH572402A5 (enExample) | 1971-07-08 | 1972-07-07 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH572402A5 (enExample) |
| DE (1) | DE2233183C3 (enExample) |
| GB (1) | GB1399839A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4131695A (en) * | 1975-02-27 | 1978-12-26 | Ciba-Geigy Corporation | Azo color former containing heat-sensitive recording material |
| JPS60240491A (ja) * | 1984-05-16 | 1985-11-29 | Fuji Photo Film Co Ltd | 感熱記録材料 |
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1971
- 1971-07-08 GB GB3213671A patent/GB1399839A/en not_active Expired
-
1972
- 1972-07-06 DE DE19722233183 patent/DE2233183C3/de not_active Expired
- 1972-07-07 CH CH1020572A patent/CH572402A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2233183B2 (de) | 1980-07-03 |
| DE2233183A1 (de) | 1973-01-18 |
| GB1399839A (en) | 1975-07-02 |
| DE2233183C3 (de) | 1981-11-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |