GB1138587A - Improvements in or relating to photographic material - Google Patents
Improvements in or relating to photographic materialInfo
- Publication number
- GB1138587A GB1138587A GB6332/66A GB633266A GB1138587A GB 1138587 A GB1138587 A GB 1138587A GB 6332/66 A GB6332/66 A GB 6332/66A GB 633266 A GB633266 A GB 633266A GB 1138587 A GB1138587 A GB 1138587A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mole
- bivalent
- feb
- bis
- prepared
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
- C07D249/10—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D249/12—Oxygen or sulfur atoms
-
- 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
- G03C1/35—Antiplumming agents, i.e. antibronzing agents; Toners
- G03C1/355—Organic derivatives of bivalent sulfur, selenium or tellurium
-
- 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
- G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
- G03C8/02—Photosensitive materials characterised by the image-forming section
- G03C8/04—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of inorganic or organo-metallic compounds derived from photosensitive noble metals
- G03C8/06—Silver salt diffusion transfer
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Abstract
1,138,587. Bis-dihydro-triazolethiones. GEVAERT-AGFA N.V. 10 Feb., 1967 [14 Feb., 1966], No. 6332/66. Heading C2C. [Also in Division G2] 5,5<SP>1 </SP>- bis - 1,2,4 - Triazoline - 3 - thiones are disclosed having the formula where R and R 1 is each H, alkyl, aryl, or a heterocyclic radical but at least one of R and R 1 is H; and A is a chemical bond or an organic bivalent radical. The bivalent radical may be a substituted or unsubstituted alkylene, arylene, aralkylene, cycloalkylene or bivalent heterocyclic radical. The compounds are prepared by boiling 1 mole of a thiosemicarbazide with 0À5 mole of a dicarboxylic acid ester in a sodium methanolate soln. prepared from 11. of methanol and 1 mole of Na. The filtrate of the reaction is acidified with CH 3 COOH and the product ppt. filtered off and recrystallized from H 2 O or EtOH. When unsaturated acid esters are used, the product contains an alkoxy group(s) in A which depends on the alcoholic medium used. A list of products and their starting esters is given.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB6332/66A GB1138587A (en) | 1966-02-14 | 1966-02-14 | Improvements in or relating to photographic material |
FR94746A FR1511336A (en) | 1966-02-14 | 1967-02-09 | Use of 5, 5'-bis-1, 2, 4-triazoline-3-thiones for photographic purposes |
NL6702133A NL6702133A (en) | 1966-02-14 | 1967-02-13 | |
US615389A US3438777A (en) | 1966-02-14 | 1967-02-13 | Photographic material |
BE694030D BE694030A (en) | 1966-02-14 | 1967-02-14 | |
DE19671522425 DE1522425A1 (en) | 1966-02-14 | 1967-02-14 | Photographic copying material containing a 5,5'-bis-1,2,4-trianzoline-3-thione compound |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB6332/66A GB1138587A (en) | 1966-02-14 | 1966-02-14 | Improvements in or relating to photographic material |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1138587A true GB1138587A (en) | 1969-01-01 |
Family
ID=9812571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB6332/66A Expired GB1138587A (en) | 1966-02-14 | 1966-02-14 | Improvements in or relating to photographic material |
Country Status (6)
Country | Link |
---|---|
US (1) | US3438777A (en) |
BE (1) | BE694030A (en) |
DE (1) | DE1522425A1 (en) |
FR (1) | FR1511336A (en) |
GB (1) | GB1138587A (en) |
NL (1) | NL6702133A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1770074A1 (en) * | 1968-03-28 | 1971-09-16 | Agfa Gevaert Ag | Process for stabilizing the blacks in the hot drying of photographic silver images |
DE1919045C3 (en) * | 1969-04-15 | 1979-11-15 | Agfa-Gevaert Ag, 5090 Leverkusen | Process for producing stable photographic images |
JPS5950976B2 (en) * | 1977-02-01 | 1984-12-11 | コニカ株式会社 | How to form high contrast silver images |
DE2711942A1 (en) * | 1977-03-18 | 1978-09-21 | Agfa Gevaert Ag | PHOTOGRAPHIC MATERIAL WITH IMPROVED PROPERTIES |
EP0520092A1 (en) * | 1991-06-24 | 1992-12-30 | Agfa-Gevaert N.V. | Anti-sludging compounds in photographic material |
CN106397345B (en) * | 2016-09-12 | 2019-02-19 | 广西师范大学 | A kind of 3- carboxyl -1,2,4- triazole cobalt complex and its in-situ synthetic method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB583648A (en) * | 1944-11-13 | 1946-12-23 | John David Kendall | Improvements in photographic materials |
GB660856A (en) * | 1949-04-11 | 1951-11-14 | Ilford Ltd | Improvements in or relating to photographic materials |
US3068098A (en) * | 1960-03-23 | 1962-12-11 | Eastman Kodak Co | Photographic diffusion transfer process |
BE630297A (en) * | 1963-03-29 |
-
1966
- 1966-02-14 GB GB6332/66A patent/GB1138587A/en not_active Expired
-
1967
- 1967-02-09 FR FR94746A patent/FR1511336A/en not_active Expired
- 1967-02-13 US US615389A patent/US3438777A/en not_active Expired - Lifetime
- 1967-02-13 NL NL6702133A patent/NL6702133A/xx unknown
- 1967-02-14 DE DE19671522425 patent/DE1522425A1/en active Pending
- 1967-02-14 BE BE694030D patent/BE694030A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1522425A1 (en) | 1969-07-31 |
NL6702133A (en) | 1967-04-25 |
BE694030A (en) | 1967-08-14 |
FR1511336A (en) | 1968-01-26 |
US3438777A (en) | 1969-04-15 |
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