BE504587A - - Google Patents
Info
- Publication number
- BE504587A BE504587A BE504587DA BE504587A BE 504587 A BE504587 A BE 504587A BE 504587D A BE504587D A BE 504587DA BE 504587 A BE504587 A BE 504587A
- 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 |
|---|---|---|---|
| DE302171X | 1950-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE504587A true BE504587A (xx) |
Family
ID=6104241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE504587D BE504587A (xx) | 1950-07-11 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE504587A (xx) |
| CH (1) | CH302171A (xx) |
| FR (1) | FR1039747A (xx) |
| GB (1) | GB706792A (xx) |
| NL (2) | NL162508B (xx) |
-
0
- BE BE504587D patent/BE504587A/xx unknown
- NL NL93043D patent/NL93043C/xx active
- NL NL6816461.A patent/NL162508B/xx unknown
-
1951
- 1951-07-05 GB GB16029/51A patent/GB706792A/en not_active Expired
- 1951-07-11 FR FR1039747D patent/FR1039747A/fr not_active Expired
- 1951-07-11 CH CH302171D patent/CH302171A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1039747A (fr) | 1953-10-09 |
| CH302171A (de) | 1954-10-15 |
| NL162508B (nl) | |
| NL93043C (xx) | |
| GB706792A (en) | 1954-04-07 |