GB1019223A - Improvements in or relating to silver halide photographic materials - Google Patents
Improvements in or relating to silver halide photographic materialsInfo
- Publication number
- GB1019223A GB1019223A GB32856/62A GB3285662A GB1019223A GB 1019223 A GB1019223 A GB 1019223A GB 32856/62 A GB32856/62 A GB 32856/62A GB 3285662 A GB3285662 A GB 3285662A GB 1019223 A GB1019223 A GB 1019223A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silver halide
- compound
- group
- anion
- formula
- 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
- G03C1/43—Processing agents or their precursors, not covered by groups G03C1/07 - G03C1/42
-
- 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
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
- G03C5/38—Fixing; Developing-fixing; Hardening-fixing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1,019,223. Photographic materials. EASTMAN CO. Aug. 27, 1962 [Aug. 25, 1961], No. 32856/62. Heading G2C. A silver halide emulsion contains at least one mole per mole of silver halide of a stabiliser compressed having the group and either a radical containing a sulphur, nitrogen or oxygen atom and bonded to one of the carbon atoms in the group, or an electron withdrawing radical such as an amide, keto, nitrile, sulphonyl or carboxyl radical bonded to a beta carbon atom with reference to the sulphur atom in the group, the compound being stable at a pH below 7 but decomposing at pH above 7 to give a thiol which produces a light-stable complex of silver halide. The compound is preferably a thiazole or thiazolise of formula wherein R 1 , R 2 , R 5 and R 6 are hydrogen, alkyl, phenyl or substituted phenyl, R 3 and R 4 are as R 1 or hydroxyalkyl, or in Formula 2 only, R 3 and R 4 complete a benzene ring, X is an anion or an alkyl group with an anion. Alternatively the compound may be of formula where X is anion, R is alkyl, aryl or heterocyclic which may be substituted by hydroxyl, carbonyl, amino or sulphonyl radicals. This material may be imagewise exposed and developed, the development decomposes the compound to give a thiol which stabilises the undeveloped silver chloride to light.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US133770A US3189453A (en) | 1961-08-25 | 1961-08-25 | Photographic emulsions containing thio derivatives as fixers and method of using same |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1019223A true GB1019223A (en) | 1966-02-02 |
Family
ID=22460231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB32856/62A Expired GB1019223A (en) | 1961-08-25 | 1962-08-27 | Improvements in or relating to silver halide photographic materials |
Country Status (4)
Country | Link |
---|---|
US (1) | US3189453A (en) |
BE (1) | BE621607A (en) |
DE (1) | DE1175074B (en) |
GB (1) | GB1019223A (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3271154A (en) * | 1961-11-30 | 1966-09-06 | Gen Aniline & Film Corp | Antifogging and stabilizing agents for photography |
NL127569C (en) * | 1963-08-30 | |||
DE1303059B (en) * | 1964-03-11 | |||
US3301678A (en) * | 1964-05-28 | 1967-01-31 | Eastman Kodak Co | Process for stabilizing photographic images with heat |
US3506444A (en) * | 1964-05-28 | 1970-04-14 | Eastman Kodak Co | Dry stabilization of photographic images |
DE1209425B (en) * | 1964-08-08 | 1966-01-20 | Agfa Gevaert Ag | Photographic light-sensitive material comprising at least one stabilized halogen silver emulsion layer |
US3502467A (en) * | 1967-12-12 | 1970-03-24 | Eastman Kodak Co | High temperature processing in dyedeveloper diffusion transfer systems |
US3844788A (en) * | 1973-04-02 | 1974-10-29 | Eastman Kodak Co | Incorporation of sulfonyl derivatives of isothiourea in light-sensitive elements |
EP1308228B1 (en) * | 2000-08-11 | 2007-06-13 | Ishihara Sangyo Kaisha, Ltd. | Colloidal metal solution, process for producing the same, and coating material containing the same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1009385A (en) * | 1948-06-11 | 1952-05-28 | Cie Ind Des Telephones | Improvements to frequency dividers and multipliers |
BE498286A (en) * | 1949-09-24 | |||
US2728667A (en) * | 1952-11-08 | 1955-12-27 | Eastman Kodak Co | Molecular compounds of mercury salts with benzothiazoles as fog inhibitors in a silver halide emulsion |
US2798067A (en) * | 1954-03-29 | 1957-07-02 | Eastman Kodak Co | 2-imino-4-thiazolidones and preparation |
BE597819A (en) * | 1959-12-11 |
-
0
- BE BE621607D patent/BE621607A/xx unknown
-
1961
- 1961-08-25 US US133770A patent/US3189453A/en not_active Expired - Lifetime
-
1962
- 1962-08-23 DE DEE23428A patent/DE1175074B/en active Pending
- 1962-08-27 GB GB32856/62A patent/GB1019223A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE621607A (en) | |
DE1175074B (en) | 1964-07-30 |
US3189453A (en) | 1965-06-15 |
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