BE490657A - - Google Patents
Info
- Publication number
- BE490657A BE490657A BE490657DA BE490657A BE 490657 A BE490657 A BE 490657A BE 490657D A BE490657D A BE 490657DA BE 490657 A BE490657 A BE 490657A
- 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
- G03C1/005—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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44214A US2566180A (en) | 1948-08-13 | 1948-08-13 | Direct postive photogrpahic color process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE490657A true BE490657A (en:Method) |
Family
ID=21931110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE490657D BE490657A (en:Method) | 1948-08-13 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2566180A (en:Method) |
| BE (1) | BE490657A (en:Method) |
| FR (1) | FR1001737A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB777583A (en) * | 1954-07-21 | 1957-06-26 | Geoffrey Ernest Beswick | Colour photographic process |
| BE754842A (fr) * | 1969-08-14 | 1971-01-18 | Eastman Kodak Co | Produit photographique aux halogenures d'argent positif direct a latitude d'exposition amelioree |
| EP0258903B1 (en) * | 1986-09-04 | 1995-01-11 | Konica Corporation | Silver halide photographic light-sensitive material having a reflective base |
-
0
- BE BE490657D patent/BE490657A/xx unknown
-
1948
- 1948-08-13 US US44214A patent/US2566180A/en not_active Expired - Lifetime
-
1949
- 1949-08-10 FR FR1001737D patent/FR1001737A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2566180A (en) | 1951-08-28 |
| FR1001737A (fr) | 1952-02-27 |