GB965047A - Improvements in or relating to silver halide emulsions containing antifogging agents - Google Patents
Improvements in or relating to silver halide emulsions containing antifogging agentsInfo
- Publication number
- GB965047A GB965047A GB35484/62A GB3548462A GB965047A GB 965047 A GB965047 A GB 965047A GB 35484/62 A GB35484/62 A GB 35484/62A GB 3548462 A GB3548462 A GB 3548462A GB 965047 A GB965047 A GB 965047A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pyrimidine
- methyl
- prepared
- mercapto
- silver halide
- 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
- 239000003795 chemical substances by application Substances 0.000 title abstract 2
- 239000000839 emulsion Substances 0.000 title abstract 2
- 229910052709 silver Inorganic materials 0.000 title abstract 2
- 239000004332 silver Substances 0.000 title abstract 2
- -1 silver halide Chemical class 0.000 title abstract 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 abstract 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 abstract 2
- HBCQSNAFLVXVAY-UHFFFAOYSA-N pyrimidine-2-thiol Chemical compound SC1=NC=CC=N1 HBCQSNAFLVXVAY-UHFFFAOYSA-N 0.000 abstract 2
- QINNQXGABKWZJT-UHFFFAOYSA-N 5-acetyl-1H-pyrazole-4-carbonitrile Chemical compound CC(=O)C1=NNC=C1C#N QINNQXGABKWZJT-UHFFFAOYSA-N 0.000 abstract 1
- FFNKBQRKZRMYCL-UHFFFAOYSA-N 5-amino-1h-pyrazole-4-carbonitrile Chemical compound NC1=NNC=C1C#N FFNKBQRKZRMYCL-UHFFFAOYSA-N 0.000 abstract 1
- OCEQBYVMMNGTIV-UHFFFAOYSA-N 6-methyl-1,2-dihydropyrazolo[3,4-d]pyrimidin-4-one Chemical compound O=C1N=C(C)N=C2NNC=C21 OCEQBYVMMNGTIV-UHFFFAOYSA-N 0.000 abstract 1
- UKMWOQXXGRBQLC-UHFFFAOYSA-N 6-methyl-1,2-dihydropyrazolo[3,4-d]pyrimidine-4-thione Chemical compound S=C1N=C(C)N=C2NNC=C21 UKMWOQXXGRBQLC-UHFFFAOYSA-N 0.000 abstract 1
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- WBJINCZRORDGAQ-UHFFFAOYSA-N ethyl formate Chemical compound CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 abstract 1
- CYQAYERJWZKYML-UHFFFAOYSA-N phosphorus pentasulfide Chemical compound S1P(S2)(=S)SP3(=S)SP1(=S)SP2(=S)S3 CYQAYERJWZKYML-UHFFFAOYSA-N 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
-
- 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
- G03C1/34—Fog-inhibitors; Stabilisers; Agents inhibiting latent image regression
- G03C1/346—Organic derivatives of bivalent sulfur, selenium or tellurium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US149520A US3244521A (en) | 1961-11-02 | 1961-11-02 | Silver halide emulsions containing antifogging agents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB965047A true GB965047A (en) | 1964-07-29 |
Family
ID=22530660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB35484/62A Expired GB965047A (en) | 1961-11-02 | 1962-09-18 | Improvements in or relating to silver halide emulsions containing antifogging agents |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3244521A (enrdf_load_html_response) |
| BE (1) | BE624110A (enrdf_load_html_response) |
| DE (1) | DE1182060B (enrdf_load_html_response) |
| GB (1) | GB965047A (enrdf_load_html_response) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1203051A (en) * | 1967-02-15 | 1970-08-26 | Agfa Gevaert Nv | Improvements in or relating to photographic light-sensitive silver halide materials |
| DE3001498A1 (de) * | 1980-01-17 | 1981-07-23 | Agfa-Gevaert Ag, 5090 Leverkusen | Fotografisches material mit einem stabilisierungsmittel, verfahren zu dessen herstellung, ein entwicklungsverfahren, neue pyrazole, ein verfahren zu deren herstellung sowie zwischenprodukte |
| JPS6079348A (ja) * | 1983-10-06 | 1985-05-07 | Fuji Photo Film Co Ltd | ハロゲン化銀写真感光材料 |
| JPH0687124B2 (ja) * | 1987-02-26 | 1994-11-02 | アグフアーゲヴエルト・アクチエンゲゼルシヤフト | 写真記録材料 |
| DE69328816D1 (de) * | 1992-12-09 | 2000-07-13 | Konishiroku Photo Ind | Verfahren zur Entwicklung eines photographischen, lichtempfindlichen Schwarz-weiss-silberhalogenidmaterials |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE874702C (de) * | 1945-12-15 | 1953-04-27 | Gen Aniline & Film Corp | Stabilisatoren fuer photographische Emulsionen |
| GB701054A (en) * | 1951-04-26 | 1953-12-16 | Ici Ltd | Photographic anti-fogging agents and emulsion stabilisers |
| GB716327A (en) * | 1951-09-05 | 1954-10-06 | Ici Ltd | New heterocyclic compounds |
| DE957183C (de) * | 1953-07-01 | 1957-01-31 | Eastman Kodak Co | Stabilisiertes photographisches Material |
| US2935404A (en) * | 1958-05-27 | 1960-05-03 | Gen Aniline & Film Corp | Fog reduction in photographic silver halide emulsions |
| US2952539A (en) * | 1958-10-23 | 1960-09-13 | Gen Aniline & Film Corp | Photographic emulsions and developers stabilized with purine compounds |
-
0
- BE BE624110D patent/BE624110A/xx unknown
-
1961
- 1961-11-02 US US149520A patent/US3244521A/en not_active Expired - Lifetime
-
1962
- 1962-09-18 GB GB35484/62A patent/GB965047A/en not_active Expired
- 1962-10-27 DE DEG36249A patent/DE1182060B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1182060B (de) | 1964-11-19 |
| BE624110A (enrdf_load_html_response) | |
| US3244521A (en) | 1966-04-05 |
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