BE438800A - - Google Patents
Info
- Publication number
- BE438800A BE438800A BE438800DA BE438800A BE 438800 A BE438800 A BE 438800A BE 438800D A BE438800D A BE 438800DA BE 438800 A BE438800 A BE 438800A
- 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 |
|---|---|---|---|
| DE215962X | 1939-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE438800A true BE438800A (en:Method) |
Family
ID=5826725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE438800D BE438800A (en:Method) | 1939-05-23 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2286656A (en:Method) |
| BE (1) | BE438800A (en:Method) |
| CH (1) | CH215962A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2490605A (en) * | 1946-05-24 | 1949-12-06 | Gen Aniline & Film Corp | Diazotype light-sensitive layers containing 4-bromoresorcinol |
-
0
- BE BE438800D patent/BE438800A/xx unknown
-
1940
- 1940-04-02 CH CH215962D patent/CH215962A/de unknown
- 1940-04-04 US US327846A patent/US2286656A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH215962A (de) | 1941-07-31 |
| US2286656A (en) | 1942-06-16 |