BE486550A - - Google Patents
Info
- Publication number
- BE486550A BE486550A BE486550DA BE486550A BE 486550 A BE486550 A BE 486550A BE 486550D A BE486550D A BE 486550DA BE 486550 A BE486550 A BE 486550A
- Authority
- BE
- Belgium
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US794822A US2541884A (en) | 1947-12-30 | 1947-12-30 | N-substituted isoalloxazines as catalysts in the dye bleach baths for color photography |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE486550A true BE486550A (es) |
Family
ID=25163781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE486550D BE486550A (es) | 1947-12-30 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2541884A (es) |
| BE (1) | BE486550A (es) |
| CH (2) | CH285165A (es) |
| DE (1) | DE824884C (es) |
| FR (1) | FR991224A (es) |
| GB (1) | GB651124A (es) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE22308E (en) * | 1936-12-14 | 1943-05-11 | Production of colored photographic | |
| US2410025A (en) * | 1936-12-14 | 1946-10-29 | Chromogen Inc | Production of colored photographic pictures |
| BE434413A (es) * | 1938-05-17 |
-
0
- BE BE486550D patent/BE486550A/xx unknown
-
1947
- 1947-12-30 US US794822A patent/US2541884A/en not_active Expired - Lifetime
-
1948
- 1948-12-14 GB GB32325/48A patent/GB651124A/en not_active Expired
- 1948-12-24 DE DEP26709A patent/DE824884C/de not_active Expired
- 1948-12-29 CH CH285165D patent/CH285165A/fr unknown
- 1948-12-29 CH CH280857D patent/CH280857A/fr unknown
- 1948-12-29 FR FR991224D patent/FR991224A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR991224A (fr) | 1951-10-03 |
| DE824884C (de) | 1951-12-13 |
| US2541884A (en) | 1951-02-13 |
| CH280857A (fr) | 1952-02-15 |
| CH285165A (fr) | 1952-08-31 |
| GB651124A (en) | 1951-03-14 |