BE431763A - - Google Patents
Info
- Publication number
- BE431763A BE431763A BE431763DA BE431763A BE 431763 A BE431763 A BE 431763A BE 431763D A BE431763D A BE 431763DA BE 431763 A BE431763 A BE 431763A
- 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 |
|---|---|---|---|
| DE210212X | 1938-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE431763A true BE431763A (de) |
Family
ID=5796178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE431763D BE431763A (de) | 1938-01-26 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2212959A (de) |
| BE (1) | BE431763A (de) |
| CH (1) | CH210212A (de) |
| FR (1) | FR849407A (de) |
| GB (1) | GB523922A (de) |
| NL (1) | NL49311C (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE468903A (de) * | 1945-08-18 | |||
| US2548845A (en) * | 1948-12-16 | 1951-04-10 | Gen Aniline & Film Corp | 4-hydroxy-2-alkylbenzimidazoles as azo coupling components in diazotypes |
| NL76649C (de) * | 1949-04-09 | |||
| NL254486A (de) * | 1960-08-03 | |||
| FR2180529B1 (de) * | 1972-04-20 | 1974-07-26 | Cellophane Sa | |
| JPS54136319A (en) * | 1978-04-14 | 1979-10-23 | Ricoh Co Ltd | Coupling component for diazo photosensitive paper |
-
0
- NL NL49311D patent/NL49311C/xx active
- BE BE431763D patent/BE431763A/xx unknown
-
1938
- 1938-12-14 CH CH210212D patent/CH210212A/de unknown
-
1939
- 1939-01-17 US US251338A patent/US2212959A/en not_active Expired - Lifetime
- 1939-01-17 GB GB1637/39A patent/GB523922A/en not_active Expired
- 1939-01-25 FR FR849407D patent/FR849407A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB523922A (en) | 1940-07-25 |
| NL49311C (de) | |
| FR849407A (fr) | 1939-11-23 |
| CH210212A (de) | 1940-06-30 |
| US2212959A (en) | 1940-08-27 |