BE500494A - - Google Patents
Info
- Publication number
- BE500494A BE500494A BE500494DA BE500494A BE 500494 A BE500494 A BE 500494A BE 500494D A BE500494D A BE 500494DA BE 500494 A BE500494 A BE 500494A
- 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
- G03C7/3244—Couplers forming azinic dyes; Specific developers therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US137886A US2591642A (en) | 1950-01-10 | 1950-01-10 | Nondiffusing color formers comprising aryl j-acids in which the aryl radical is provided with a nondiffusing group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE500494A true BE500494A (US06653308-20031125-C00197.png) |
Family
ID=22479487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE500494D BE500494A (US06653308-20031125-C00197.png) | 1950-01-10 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2591642A (US06653308-20031125-C00197.png) |
| BE (1) | BE500494A (US06653308-20031125-C00197.png) |
| DE (1) | DE874248C (US06653308-20031125-C00197.png) |
| GB (1) | GB691989A (US06653308-20031125-C00197.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1273137B (de) * | 1955-04-12 | 1968-07-18 | Arthur J Schmitt Foundation Ch | Verwendung einer UEberzugsmasse als Formsand-Bindemittel |
| US2871120A (en) * | 1955-11-18 | 1959-01-27 | Gen Aniline & Film Corp | Azine cyan color formers |
| US3099559A (en) * | 1959-08-31 | 1963-07-30 | Gen Aniline & Film Corp | Silver-free color reproduction process and composition therefor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE416898A (US06653308-20031125-C00197.png) * | 1935-08-07 | |||
| BE488697A (US06653308-20031125-C00197.png) * | 1948-05-06 |
-
0
- BE BE500494D patent/BE500494A/xx unknown
-
1950
- 1950-01-10 US US137886A patent/US2591642A/en not_active Expired - Lifetime
-
1951
- 1951-01-01 GB GB84/51A patent/GB691989A/en not_active Expired
- 1951-01-10 DE DEG4984A patent/DE874248C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE874248C (de) | 1953-04-23 |
| US2591642A (en) | 1952-04-01 |
| GB691989A (en) | 1953-05-27 |
