BE532579A - - Google Patents
Info
- Publication number
- BE532579A BE532579A BE532579DA BE532579A BE 532579 A BE532579 A BE 532579A BE 532579D A BE532579D A BE 532579DA BE 532579 A BE532579 A BE 532579A
- 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
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/392—Additives
- G03C7/39208—Organic compounds
- G03C7/3924—Heterocyclic
- G03C7/39268—Heterocyclic the nucleus containing only oxygen as hetero atoms
-
- 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
- G03C7/407—Development processes or agents therefor
- G03C7/413—Developers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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 |
|---|---|---|---|
| US386672A US2728661A (en) | 1953-10-16 | 1953-10-16 | Ascorbic acid ester antistain agents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE532579A true BE532579A (it) |
Family
ID=23526566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE532579D BE532579A (it) | 1953-10-16 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2728661A (it) |
| BE (1) | BE532579A (it) |
| FR (1) | FR1112594A (it) |
| GB (1) | GB759000A (it) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE584331A (it) * | 1959-11-05 | |||
| US3459548A (en) * | 1967-07-24 | 1969-08-05 | Polaroid Corp | Scavengers for oxidized developing agent |
| JPS5310856B2 (it) * | 1971-10-15 | 1978-04-17 | ||
| US4144071A (en) * | 1974-04-08 | 1979-03-13 | Fuji Photo Film Co., Ltd. | Photographic light-sensitive material |
| EP0109118B1 (en) * | 1982-11-12 | 1986-06-04 | Agfa-Gevaert N.V. | Photographic colour material incorporating developing agents for colour development |
| US4822898A (en) * | 1985-09-20 | 1989-04-18 | Sumitomo Chemical Company, Limited | Ascorbic acid or erythorbic acid derivatives |
| DE19634702A1 (de) * | 1996-08-28 | 1998-03-05 | Agfa Gevaert Ag | Farbfotografisches Aufzeichnungsmaterial |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2360290A (en) * | 1941-07-31 | 1944-10-10 | Eastman Kodak Co | Preventing formation of color fog in emulsions |
| US2356486A (en) * | 1943-04-15 | 1944-08-22 | Eastman Kodak Co | Stain prevention in color photography |
| US2384658A (en) * | 1943-07-10 | 1945-09-11 | Eastman Kodak Co | Color photography |
-
0
- BE BE532579D patent/BE532579A/xx unknown
-
1953
- 1953-10-16 US US386672A patent/US2728661A/en not_active Expired - Lifetime
-
1954
- 1954-10-15 FR FR1112594D patent/FR1112594A/fr not_active Expired
- 1954-10-18 GB GB29997/54A patent/GB759000A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1112594A (fr) | 1956-03-15 |
| US2728661A (en) | 1955-12-27 |
| GB759000A (en) | 1956-10-10 |