BE504761A - - Google Patents
Info
- Publication number
- BE504761A BE504761A BE504761DA BE504761A BE 504761 A BE504761 A BE 504761A BE 504761D A BE504761D A BE 504761DA BE 504761 A BE504761 A BE 504761A
- 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)
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 |
|---|---|
| BE504761A true BE504761A (US06168776-20010102-C00041.png) |
Family
ID=22640327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE504761D BE504761A (US06168776-20010102-C00041.png) | 1950-07-22 |
Country Status (6)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL282899A (US06168776-20010102-C00041.png) * | 1961-09-06 | |||
| BE637277A (US06168776-20010102-C00041.png) * | 1962-09-14 | |||
| CH644459A5 (de) * | 1978-09-29 | 1984-07-31 | Ciba Geigy Ag | Verfahren zur herstellung farbphotographischer bilder nach dem silberfarbbleichverfahren. |
| 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/de unknown
- 1951-07-22 DE DEG6603A patent/DE902220C/de not_active Expired
- 1951-07-23 FR FR1048365D patent/FR1048365A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1048365A (fr) | 1953-12-22 |
| CH302938A (de) | 1954-11-15 |
| US2627461A (en) | 1953-02-03 |
| DE902220C (de) | 1954-01-21 |
| GB687768A (en) | 1953-02-18 |
