BE381161A - - Google Patents
Info
- Publication number
- BE381161A BE381161A BE381161DA BE381161A BE 381161 A BE381161 A BE 381161A BE 381161D A BE381161D A BE 381161DA BE 381161 A BE381161 A BE 381161A
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Medicinal Preparation (AREA)
- Optical Filters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1930I0016130 DE557149C (de) | 1930-07-12 | 1930-07-12 | Verfahren zur Herstellung von uebereinanderliegenden und verschieden gefaerbten Kolloidschichten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE381161A true BE381161A (xx) | 1931-08-31 |
Family
ID=7185890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE381161D BE381161A (xx) | 1930-07-12 | 1931-07-09 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1954294A (xx) |
| BE (1) | BE381161A (xx) |
| DE (1) | DE557149C (xx) |
| FR (1) | FR719859A (xx) |
| GB (1) | GB372620A (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB591124A (en) * | 1945-05-15 | 1947-08-07 | Ronald Bernard Collins | Improvements in the production of coloured colloid layers |
| US2591590A (en) * | 1945-12-14 | 1952-04-01 | Gen Aniline & Film Corp | Antistatic photographic film |
| US2635535A (en) * | 1946-01-31 | 1953-04-21 | Du Pont | Mordanting |
| US2584362A (en) * | 1946-02-20 | 1952-02-05 | Gen Aniline & Film Corp | Antistatic photographic film |
| US2704710A (en) * | 1950-04-18 | 1955-03-22 | Gen Aniline & Film Corp | Precipitation of azo dyes in silver halide emulsions by means of guanidine and biguanide compounds containing long alkyl chains |
| BE573231A (xx) * | 1957-11-25 |
-
1930
- 1930-07-12 DE DE1930I0016130 patent/DE557149C/de not_active Expired
-
1931
- 1931-07-07 US US549327A patent/US1954294A/en not_active Expired - Lifetime
- 1931-07-08 FR FR719859D patent/FR719859A/fr not_active Expired
- 1931-07-09 BE BE381161D patent/BE381161A/xx unknown
- 1931-07-13 GB GB20088/31A patent/GB372620A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE557149C (de) | 1932-08-19 |
| US1954294A (en) | 1934-04-10 |
| FR719859A (fr) | 1932-02-12 |
| GB372620A (en) | 1932-05-12 |