CH302938A - Process for the production of color images in photographic layers. - Google Patents
Process for the production of color images in photographic layers.Info
- Publication number
- CH302938A CH302938A CH302938DA CH302938A CH 302938 A CH302938 A CH 302938A CH 302938D A CH302938D A CH 302938DA CH 302938 A CH302938 A CH 302938A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- color images
- photographic layers
- photographic
- layers
- 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
- G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US175467A US2627461A (en) | 1950-07-22 | 1950-07-22 | Indophenazines as catalysts in dye bleach baths for color photography |
Publications (1)
Publication Number | Publication Date |
---|---|
CH302938A true CH302938A (en) | 1954-11-15 |
Family
ID=22640327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH302938D CH302938A (en) | 1950-07-22 | 1951-07-21 | Process for the production of color images in photographic layers. |
Country Status (6)
Country | Link |
---|---|
US (1) | US2627461A (en) |
BE (1) | BE504761A (en) |
CH (1) | CH302938A (en) |
DE (1) | DE902220C (en) |
FR (1) | FR1048365A (en) |
GB (1) | GB687768A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE622121A (en) * | 1961-09-06 | |||
NL297895A (en) * | 1962-09-14 | |||
CH644459A5 (en) * | 1978-09-29 | 1984-07-31 | Ciba Geigy Ag | METHOD FOR PRODUCING COLOR PHOTOGRAPHIC IMAGES AFTER THE SILVER COLORING METHOD. |
US4393208A (en) * | 1982-03-29 | 1983-07-12 | Norwich Eaton Pharmaceuticals, Inc. | 5-Methyl-2-trifluoromethylindolo[2,3-b]quinoxaline |
US5597921A (en) * | 1993-04-22 | 1997-01-28 | Taisho Pharmaceutical Co., Ltd. | Indolo[2,3-b]quinoxaline derivatives |
-
0
- BE BE504761D patent/BE504761A/xx unknown
-
1950
- 1950-07-22 US US175467A patent/US2627461A/en not_active Expired - Lifetime
-
1951
- 1951-07-16 GB GB16817/51A patent/GB687768A/en not_active Expired
- 1951-07-21 CH CH302938D patent/CH302938A/en unknown
- 1951-07-22 DE DEG6603A patent/DE902220C/en not_active Expired
- 1951-07-23 FR FR1048365D patent/FR1048365A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE902220C (en) | 1954-01-21 |
FR1048365A (en) | 1953-12-22 |
GB687768A (en) | 1953-02-18 |
BE504761A (en) | |
US2627461A (en) | 1953-02-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH379286A (en) | Process for the production of color photographic images | |
CH278309A (en) | Process for the direct production of positive photographic images. | |
CH356356A (en) | Process for the production of multicolor photographic images | |
CH282754A (en) | Process for the direct production of positives. | |
CH258610A (en) | Process for making dye images. | |
CH294364A (en) | Process for the direct production of positives. | |
CH277685A (en) | Process for the production of multicolor diazo prints. | |
CH302938A (en) | Process for the production of color images in photographic layers. | |
CH295103A (en) | Process for the photomechanical production of images and printing forms. | |
CH294685A (en) | Process for the production of α-manganese dioxide. | |
CH329758A (en) | Process for the production of photographic images | |
CH334905A (en) | Process for the preparation of polyazo dyes | |
CH314328A (en) | Process for the preparation of polyazo dyes | |
CH297873A (en) | Process for the direct production of positives. | |
CH296916A (en) | Process for making photographic registrations. | |
CH264319A (en) | Process for making photographic images. | |
CH318211A (en) | Process for the production of tanning images | |
CH291535A (en) | Process for the direct production of positives. | |
AT179196B (en) | Process for the production of color positive images | |
AT173613B (en) | Process for making color photographs | |
CH301470A (en) | Process for producing monochrome or multicolor photographic images. | |
CH286149A (en) | Process for the production of photographic images, in particular multicolored paper images. | |
CH300332A (en) | Process for the production of B-phenyl-ethanol. | |
CH289382A (en) | Process for the production of chromo and art paper. | |
CH302171A (en) | Process for producing permanent color photographic images. |