BE455845A - - Google Patents
Info
- Publication number
- BE455845A BE455845A BE455845DA BE455845A BE 455845 A BE455845 A BE 455845A BE 455845D A BE455845D A BE 455845DA BE 455845 A BE455845 A BE 455845A
- 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
- G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
- G03C1/815—Photosensitive materials characterised by the base or auxiliary layers characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching
- G03C1/8155—Organic compounds therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI0074450 | 1943-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE455845A true BE455845A (xx) |
Family
ID=7197284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE455845D BE455845A (xx) | 1943-03-01 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE455845A (xx) |
| FR (1) | FR902268A (xx) |
-
0
- BE BE455845D patent/BE455845A/xx unknown
-
1944
- 1944-02-29 FR FR902268D patent/FR902268A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR902268A (fr) | 1945-08-23 |