BE472940A - - Google Patents
Info
- Publication number
- BE472940A BE472940A BE472940DA BE472940A BE 472940 A BE472940 A BE 472940A BE 472940D A BE472940D A BE 472940DA BE 472940 A BE472940 A BE 472940A
- 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
- G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
- G03C1/83—Organic dyestuffs therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Filters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE642728X | 1946-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE472940A true BE472940A (nl) |
Family
ID=3876450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE472940D BE472940A (nl) | 1946-05-21 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE472940A (nl) |
| DE (1) | DE811315C (nl) |
| GB (1) | GB642728A (nl) |
| NL (1) | NL62049C (nl) |
-
0
- BE BE472940D patent/BE472940A/xx unknown
- NL NL62049D patent/NL62049C/xx active
-
1947
- 1947-05-13 GB GB12913/47A patent/GB642728A/en not_active Expired
-
1949
- 1949-12-13 DE DEG590D patent/DE811315C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE811315C (de) | 1951-08-20 |
| NL62049C (nl) | |
| GB642728A (en) | 1950-09-13 |