BE442410A - - Google Patents
Info
- Publication number
- BE442410A BE442410A BE442410DA BE442410A BE 442410 A BE442410 A BE 442410A BE 442410D A BE442410D A BE 442410DA BE 442410 A BE442410 A BE 442410A
- 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
- G03C7/32—Colour coupling substances
- G03C7/36—Couplers containing compounds with active methylene groups
- G03C7/38—Couplers containing compounds with active methylene groups in rings
- G03C7/384—Couplers containing compounds with active methylene groups in rings in pyrazolone rings
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 |
|---|---|---|---|
| DEI0067601 | 1940-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442410A true BE442410A (h) |
Family
ID=7196749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442410D BE442410A (h) | 1940-08-08 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2437063A (h) |
| BE (1) | BE442410A (h) |
| CH (2) | CH239482A (h) |
| FR (1) | FR876814A (h) |
| NL (1) | NL59371C (h) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2933391A (en) * | 1956-09-06 | 1960-04-19 | Eastman Kodak Co | Photographic emulsions containing 5-pyrazolone coupler compounds |
| DE1202637B (de) * | 1964-05-23 | 1965-10-07 | Agfa Ag | Lichtempfindliches 3-Acylaminopyrazolon-kuppler enthaltendes photographisches Material mit mindestens einer Halogensilberemulsions-schicht |
| US3519429A (en) * | 1966-05-16 | 1970-07-07 | Eastman Kodak Co | Silver halide emulsions containing a stabilizer pyrazolone coupler |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB458664A (en) * | 1935-03-21 | 1936-12-21 | Eastman Kodak Co | Improvements in and relating to colour forming developers and processes of colour development |
| US2179239A (en) * | 1935-04-10 | 1939-11-07 | Agfa Ansco Corp | Color photography |
| BE416898A (h) * | 1935-08-07 | |||
| US2200306A (en) * | 1937-07-23 | 1940-05-14 | Gen Aniline & Film Corp | Compound having reactive methylene groups |
| GB513596A (en) * | 1938-04-08 | 1939-10-17 | John David Kendall | Improvements in and relating to the production of coloured photographic images by colour development |
-
0
- NL NL59371D patent/NL59371C/xx active
- BE BE442410D patent/BE442410A/xx unknown
-
1941
- 1941-08-07 FR FR876814D patent/FR876814A/fr not_active Expired
- 1941-09-04 CH CH239482D patent/CH239482A/de unknown
- 1941-09-04 CH CH234804D patent/CH234804A/de unknown
-
1942
- 1942-02-17 US US431263A patent/US2437063A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR876814A (fr) | 1942-11-18 |
| US2437063A (en) | 1948-03-02 |
| CH234804A (de) | 1944-10-31 |
| NL59371C (h) | |
| CH239482A (de) | 1945-10-15 |