BE715266A - - Google Patents
Info
- Publication number
- BE715266A BE715266A BE715266DA BE715266A BE 715266 A BE715266 A BE 715266A BE 715266D A BE715266D A BE 715266DA BE 715266 A BE715266 A BE 715266A
- 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
- G03C1/48515—Direct positive emulsions prefogged
- G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser
- G03C1/4853—Direct positive emulsions prefogged characterised by the desensitiser polymethine dyes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
- C09B23/10—The polymethine chain containing an even number of >CH- groups
- C09B23/105—The polymethine chain containing an even number of >CH- groups two >CH- groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Plural Heterocyclic Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63902467A | 1967-05-17 | 1967-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE715266A true BE715266A (en:Method) | 1968-10-16 |
Family
ID=24562419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE715266D BE715266A (en:Method) | 1967-05-17 | 1968-05-16 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3528811A (en:Method) |
| BE (1) | BE715266A (en:Method) |
| FR (1) | FR1577440A (en:Method) |
| GB (1) | GB1229848A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3772030A (en) * | 1972-02-29 | 1973-11-13 | Eastman Kodak Co | Direct-positive emulsion containing internally fogged, silver halide grains free of surface fog and a desensitizing compound |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2464780A (en) * | 1945-12-07 | 1949-03-22 | Gen Aniline & Film Corp | Dye-sensitized photographic silver halide emulsion |
| BE473453A (en:Method) * | 1945-12-07 |
-
1967
- 1967-05-17 US US639024A patent/US3528811A/en not_active Expired - Lifetime
-
1968
- 1968-05-14 FR FR1577440D patent/FR1577440A/fr not_active Expired
- 1968-05-15 GB GB1229848D patent/GB1229848A/en not_active Expired
- 1968-05-16 BE BE715266D patent/BE715266A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1769383A1 (de) | 1971-04-08 |
| FR1577440A (en:Method) | 1969-08-08 |
| GB1229848A (en:Method) | 1971-04-28 |
| US3528811A (en) | 1970-09-15 |