CH289721A - A method of producing yellow dye images by chromogenic photographic development. - Google Patents
A method of producing yellow dye images by chromogenic photographic development.Info
- Publication number
- CH289721A CH289721A CH289721DA CH289721A CH 289721 A CH289721 A CH 289721A CH 289721D A CH289721D A CH 289721DA CH 289721 A CH289721 A CH 289721A
- Authority
- CH
- Switzerland
- Prior art keywords
- yellow dye
- dye images
- photographic development
- producing yellow
- chromogenic photographic
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/32—Colour coupling substances
- G03C7/3244—Couplers forming azinic dyes; Specific developers therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66825A US2522802A (en) | 1948-12-22 | 1948-12-22 | Production of yellow dye images by color development |
Publications (1)
Publication Number | Publication Date |
---|---|
CH289721A true CH289721A (en) | 1953-03-31 |
Family
ID=22071952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH289721D CH289721A (en) | 1948-12-22 | 1949-12-22 | A method of producing yellow dye images by chromogenic photographic development. |
Country Status (6)
Country | Link |
---|---|
US (1) | US2522802A (en) |
BE (1) | BE492847A (en) |
CH (1) | CH289721A (en) |
DE (1) | DE827901C (en) |
FR (1) | FR1003992A (en) |
GB (1) | GB662419A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3099559A (en) * | 1959-08-31 | 1963-07-30 | Gen Aniline & Film Corp | Silver-free color reproduction process and composition therefor |
BE584330A (en) * | 1959-11-05 | |||
US4066456A (en) * | 1974-12-10 | 1978-01-03 | Gaf Corporation | Incorporated carboxy substituted p-phenylenediamine color developer |
US4066457A (en) * | 1974-12-10 | 1978-01-03 | Gaf Corporation | Color developer for diffusion transfer |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE465025A (en) * | 1945-01-27 |
-
0
- BE BE492847D patent/BE492847A/xx unknown
-
1948
- 1948-12-22 US US66825A patent/US2522802A/en not_active Expired - Lifetime
-
1949
- 1949-12-12 GB GB31880/49A patent/GB662419A/en not_active Expired
- 1949-12-16 DE DEG607A patent/DE827901C/en not_active Expired
- 1949-12-20 FR FR1003992D patent/FR1003992A/en not_active Expired
- 1949-12-22 CH CH289721D patent/CH289721A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE492847A (en) | |
GB662419A (en) | 1951-12-05 |
US2522802A (en) | 1950-09-19 |
DE827901C (en) | 1952-03-17 |
FR1003992A (en) | 1952-03-24 |
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