GB636885A - Photographic emulsions - Google Patents
Photographic emulsionsInfo
- Publication number
- GB636885A GB636885A GB36167/46A GB3616746A GB636885A GB 636885 A GB636885 A GB 636885A GB 36167/46 A GB36167/46 A GB 36167/46A GB 3616746 A GB3616746 A GB 3616746A GB 636885 A GB636885 A GB 636885A
- Authority
- GB
- United Kingdom
- Prior art keywords
- triethylamine
- acetanilidovinyl
- nucleus
- ethiodide
- substituent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/08—Sensitivity-increasing substances
- G03C1/10—Organic substances
- G03C1/12—Methine and polymethine dyes
- G03C1/22—Methine and polymethine dyes with an even number of CH groups
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Plural Heterocyclic Compounds (AREA)
- Thiazole And Isothizaole Compounds (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US633539A US2464780A (en) | 1945-12-07 | 1945-12-07 | Dye-sensitized photographic silver halide emulsion |
Publications (1)
Publication Number | Publication Date |
---|---|
GB636885A true GB636885A (en) | 1950-05-10 |
Family
ID=24540037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB36167/46A Expired GB636885A (en) | 1945-12-07 | 1946-12-06 | Photographic emulsions |
Country Status (3)
Country | Link |
---|---|
US (1) | US2464780A (fr) |
FR (1) | FR946452A (fr) |
GB (1) | GB636885A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3249433A (en) * | 1957-01-22 | 1966-05-03 | Polaroid Corp | Process for preparing a photosensitive element and process of using same in a diffusion transfer method |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2735766A (en) * | 1952-05-15 | 1956-02-21 | Prevention of dye wandering in | |
US3033681A (en) * | 1959-01-19 | 1962-05-08 | Eastman Kodak Co | Merocyanine sensitizing dyes and sensitized photographic emulsions |
US3072485A (en) * | 1960-08-24 | 1963-01-08 | Eastman Kodak Co | Optically sensitized azido polymers for photomechanical resist compositions |
US3528811A (en) * | 1967-05-17 | 1970-09-15 | Eastman Kodak Co | Photographic emulsions containing a pyrimidinedione and a desensitizing nucleus linked by a dimethine or a double bond |
DE2833137A1 (de) * | 1978-07-28 | 1980-02-07 | Agfa Gevaert Ag | Lichtempfindliches fotografisches aufzeichnungsmaterial |
US4529727A (en) * | 1982-04-21 | 1985-07-16 | Janssen Pharmaceutical, N.V. | Pyrimido[2,1-b][1,3]-thiazines |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2170805A (en) * | 1937-04-24 | 1939-08-29 | Eastman Kodak Co | Photographic emulsion containing dyes from benzoxazoles |
US2170807A (en) * | 1938-02-25 | 1939-08-29 | Eastman Kodak Co | Merocyanine dyes from barbituric acids |
-
1945
- 1945-12-07 US US633539A patent/US2464780A/en not_active Expired - Lifetime
-
1946
- 1946-12-06 GB GB36167/46A patent/GB636885A/en not_active Expired
-
1947
- 1947-05-09 FR FR946452D patent/FR946452A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3249433A (en) * | 1957-01-22 | 1966-05-03 | Polaroid Corp | Process for preparing a photosensitive element and process of using same in a diffusion transfer method |
Also Published As
Publication number | Publication date |
---|---|
US2464780A (en) | 1949-03-22 |
FR946452A (fr) | 1949-06-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB636885A (en) | Photographic emulsions | |
US2918369A (en) | Non-ionic benzimidazole cyanine dyes containing in alpha-position a cyano group on the methenyl chain | |
GB495197A (en) | Improvements in and relating to the use and production of photographic desensitising compounds | |
GB1186720A (en) | Photographic Emulsions | |
GB733731A (en) | Improvements in the optical sensitisation of photographic emulsions | |
GB637648A (en) | Merocyanine and oxonol dyes and process for their preparation | |
GB807460A (en) | Merocyanine dyes and photographic silver halide emulsions containing them | |
GB584609A (en) | Improvements in or relating to photographic light-sensitive materials | |
GB424559A (en) | Improvements in or relating to the production of compounds of the cyanine type | |
US2170807A (en) | Merocyanine dyes from barbituric acids | |
GB470726A (en) | Improvements in sensitising photographic silver-salt emulsions and in manufacture ofdyes therefor | |
GB526684A (en) | Improvements in and relating to dyestuffs for sensitising photographic emulsions | |
GB620482A (en) | Trinuclear cyanine dyes and photographic light-sensitive elements containing them | |
GB551718A (en) | Improvements in or relating to the production and use of dyestuffs | |
GB978289A (en) | Polymethine dyes, process of making them and photographic elements containing them | |
GB477983A (en) | Improvements in or relating to the production of photographic sensitising compounds | |
GB629123A (en) | Improvements in the manufacture of intermediates for the production of dyes, in the manufacture of polymethin dyes and in photographic silver salt emulsions containing such dyes | |
GB740770A (en) | Improvements in and relating to polymethine dyes and photographic silver halide emulsions containing them | |
GB855686A (en) | Cyanine dyes and silver halide emulsions sensitised therewith | |
GB748144A (en) | Improvements in light sensitive photographic materials and compounds for use therein | |
GB585708A (en) | Improvements in the manufacture of intermediates for dyes | |
GB595784A (en) | Improvements in or relating to cyanine dyestuffs | |
GB599693A (en) | Sensitive photographic emulsions | |
GB537961A (en) | Improvements in or relating to the preparation of thiazoles and derivatives thereof and the employment of such bodies in photography | |
GB629122A (en) | Improvements in the manufacture of intermediates for the production of dyes, in the manufacture of polymethin dyes and in photographic silver salt emulsions containing such dyes |