BE493810A - - Google Patents
Info
- Publication number
- BE493810A BE493810A BE493810DA BE493810A BE 493810 A BE493810 A BE 493810A BE 493810D A BE493810D A BE 493810DA BE 493810 A BE493810 A BE 493810A
- 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
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/407—Development processes or agents therefor
- G03C7/413—Developers
-
- 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
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/485—Direct positive emulsions
- G03C1/48538—Direct positive emulsions non-prefogged, i.e. fogged after imagewise exposure
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB657742 | 1942-09-01 | ||
| GB402849A GB665682A (en) | 1942-09-01 | 1949-02-14 | Improvements in photographic processes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE493810A true BE493810A (fi) |
Family
ID=32232342
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE493810D BE493810A (fi) | 1942-09-01 | ||
| BE468653D BE468653A (fi) | 1942-09-01 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE468653D BE468653A (fi) | 1942-09-01 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2592298A (fi) |
| BE (2) | BE468653A (fi) |
| CH (1) | CH281461A (fi) |
| FR (3) | FR942478A (fi) |
| GB (2) | GB581789A (fi) |
| NL (1) | NL69460C (fi) |
-
0
- BE BE493810D patent/BE493810A/xx unknown
- NL NL69460D patent/NL69460C/xx active
- BE BE468653D patent/BE468653A/xx unknown
-
1942
- 1942-09-01 GB GB6577/44A patent/GB581789A/en not_active Expired
- 1942-09-02 GB GB12423/42A patent/GB581773A/en not_active Expired
-
1946
- 1946-08-28 FR FR942478D patent/FR942478A/fr not_active Expired
-
1947
- 1947-09-08 CH CH281461D patent/CH281461A/fr unknown
-
1949
- 1949-05-27 FR FR58875D patent/FR58875E/fr not_active Expired
-
1950
- 1950-02-01 US US141833A patent/US2592298A/en not_active Expired - Lifetime
- 1950-02-13 FR FR60059D patent/FR60059E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB581789A (en) | 1946-10-24 |
| US2592298A (en) | 1952-04-08 |
| FR58875E (fr) | 1954-04-06 |
| NL69460C (fi) | |
| FR942478A (fr) | 1949-02-09 |
| FR60059E (fr) | 1954-09-22 |
| GB581773A (en) | 1946-10-24 |
| CH281461A (fr) | 1952-03-15 |
| BE468653A (fi) |