BE486255A - - Google Patents
Info
- Publication number
- BE486255A BE486255A BE486255DA BE486255A BE 486255 A BE486255 A BE 486255A BE 486255D A BE486255D A BE 486255DA BE 486255 A BE486255 A BE 486255A
- 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
- G03C1/00—Photosensitive materials
- G03C1/52—Compositions containing diazo compounds as photosensitive substances
- G03C1/58—Coupling substances therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US792336A US2542566A (en) | 1947-12-17 | 1947-12-17 | 2, 2', 4, 4'-tetrahydroxybiphenyl coupling component for diazotype layers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE486255A true BE486255A (en:Method) |
Family
ID=25156546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE486255D BE486255A (en:Method) | 1947-12-17 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2542566A (en:Method) |
| BE (1) | BE486255A (en:Method) |
| CH (1) | CH286146A (en:Method) |
| DE (1) | DE905452C (en:Method) |
| FR (1) | FR988635A (en:Method) |
| GB (1) | GB648585A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL82334C (en:Method) * | 1951-03-20 | |||
| DE929590C (de) * | 1953-08-11 | 1955-06-30 | Kalle & Co Ag | Lichtempfindliches Diazotypiematerial |
| US3716364A (en) * | 1970-09-02 | 1973-02-13 | Addressograph Multigraph | Diazotype materials |
| JPS5522761A (en) * | 1978-08-08 | 1980-02-18 | Ricoh Co Ltd | Black color forming binary diazo copying material |
| US4642383A (en) * | 1982-09-30 | 1987-02-10 | James River Graphics, Inc. | Fast coupling lemon-yellow phenolic couplers |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2039730A (en) * | 1935-02-27 | 1936-05-05 | Eastman Kodak Co | Color-forming developer |
| US2346080A (en) * | 1942-06-12 | 1944-04-04 | Eastman Kodak Co | Acylaminohydroxydiphenyl coupler |
| US2432593A (en) * | 1945-12-20 | 1947-12-16 | Gen Aniline & Film Corp | Phloroglucide containing diazo photoprinting material |
-
0
- DE DENDAT905452D patent/DE905452C/de not_active Expired
- BE BE486255D patent/BE486255A/xx unknown
-
1947
- 1947-12-17 US US792336A patent/US2542566A/en not_active Expired - Lifetime
-
1948
- 1948-11-16 GB GB29798/48A patent/GB648585A/en not_active Expired
- 1948-12-03 FR FR988635D patent/FR988635A/fr not_active Expired
- 1948-12-16 CH CH286146D patent/CH286146A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH286146A (fr) | 1952-10-15 |
| FR988635A (fr) | 1951-08-29 |
| DE905452C (de) | 1954-01-14 |
| GB648585A (en) | 1951-01-10 |
| US2542566A (en) | 1951-02-20 |