GB667206A - Improvements in photographic processes and materials therefor - Google Patents
Improvements in photographic processes and materials thereforInfo
- Publication number
- GB667206A GB667206A GB17049/49A GB1704949A GB667206A GB 667206 A GB667206 A GB 667206A GB 17049/49 A GB17049/49 A GB 17049/49A GB 1704949 A GB1704949 A GB 1704949A GB 667206 A GB667206 A GB 667206A
- Authority
- GB
- United Kingdom
- Prior art keywords
- prepared
- nitrostyryl
- toluenesulphonate
- metho
- quinoline
- 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
- DXYYSGDWQCSKKO-UHFFFAOYSA-N methylbenzothiazole Natural products C1=CC=C2SC(C)=NC2=C1 DXYYSGDWQCSKKO-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
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 3
- -1 p - Dinitrostyryl Chemical group 0.000 abstract 3
- YAQKYKGFPQPPQE-UHFFFAOYSA-N 2-methyl-6-nitro-1,3-benzothiazole Chemical compound C1=C([N+]([O-])=O)C=C2SC(C)=NC2=C1 YAQKYKGFPQPPQE-UHFFFAOYSA-N 0.000 abstract 2
- CMWKITSNTDAEDT-UHFFFAOYSA-N 2-nitrobenzaldehyde Chemical compound [O-][N+](=O)C1=CC=CC=C1C=O CMWKITSNTDAEDT-UHFFFAOYSA-N 0.000 abstract 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 238000010992 reflux Methods 0.000 abstract 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 abstract 2
- 239000001117 sulphuric acid Substances 0.000 abstract 2
- 235000011149 sulphuric acid Nutrition 0.000 abstract 2
- SYOANZBNGDEJFH-UHFFFAOYSA-N 2,5-dihydro-1h-triazole Chemical compound C1NNN=C1 SYOANZBNGDEJFH-UHFFFAOYSA-N 0.000 abstract 1
- URIXDBULDXTIHZ-UHFFFAOYSA-N 2-[2-(3-nitrophenyl)ethenyl]quinoline Chemical compound [O-][N+](=O)C1=CC=CC(C=CC=2N=C3C=CC=CC3=CC=2)=C1 URIXDBULDXTIHZ-UHFFFAOYSA-N 0.000 abstract 1
- PIFUHBCTWDDLGY-UHFFFAOYSA-N 2-[2-(4-nitrophenyl)ethenyl]quinoline Chemical compound C1=CC([N+](=O)[O-])=CC=C1C=CC1=CC=C(C=CC=C2)C2=N1 PIFUHBCTWDDLGY-UHFFFAOYSA-N 0.000 abstract 1
- UPCYEFFISUGBRW-UHFFFAOYSA-N 3-ethyl-2-sulfanylidene-1,3-thiazolidin-4-one Chemical compound CCN1C(=O)CSC1=S UPCYEFFISUGBRW-UHFFFAOYSA-N 0.000 abstract 1
- OIZKXZFSDHBELP-UHFFFAOYSA-N 3-ethyl-5-[(2-nitrophenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one Chemical compound O=C1N(CC)C(=S)SC1=CC1=CC=CC=C1[N+]([O-])=O OIZKXZFSDHBELP-UHFFFAOYSA-N 0.000 abstract 1
- BAJQRLZAPXASRD-UHFFFAOYSA-N 4-Nitrobiphenyl Chemical compound C1=CC([N+](=O)[O-])=CC=C1C1=CC=CC=C1 BAJQRLZAPXASRD-UHFFFAOYSA-N 0.000 abstract 1
- XIQMWPFHUZOJIB-VMPITWQZSA-N 4-[(e)-2-(4-nitrophenyl)ethenyl]quinoline Chemical compound C1=CC([N+](=O)[O-])=CC=C1\C=C\C1=CC=NC2=CC=CC=C12 XIQMWPFHUZOJIB-VMPITWQZSA-N 0.000 abstract 1
- ILFSWOXLNKWPIG-UHFFFAOYSA-N 4-chloro-6-nitro-2h-benzotriazole Chemical compound C1=C([N+](=O)[O-])C=C(Cl)C2=NNN=C21 ILFSWOXLNKWPIG-UHFFFAOYSA-N 0.000 abstract 1
- PZBQVZFITSVHAW-UHFFFAOYSA-N 5-chloro-2h-benzotriazole Chemical compound C1=C(Cl)C=CC2=NNN=C21 PZBQVZFITSVHAW-UHFFFAOYSA-N 0.000 abstract 1
- AOJYRIGIRHPGRU-UHFFFAOYSA-N 5-chloro-6-nitro-2h-benzotriazole Chemical compound C1=C(Cl)C([N+](=O)[O-])=CC2=NNN=C21 AOJYRIGIRHPGRU-UHFFFAOYSA-N 0.000 abstract 1
- IRLIJBLFDXFMPT-UHFFFAOYSA-N 6-ethoxy-2-[2-(4-nitrophenyl)ethenyl]quinoline Chemical compound C(C)OC=1C=C2C=CC(=NC2=CC1)C=CC1=CC=C(C=C1)[N+](=O)[O-] IRLIJBLFDXFMPT-UHFFFAOYSA-N 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- 230000001476 alcoholic effect Effects 0.000 abstract 1
- IOJUPLGTWVMSFF-UHFFFAOYSA-N cyclobenzothiazole Natural products C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 abstract 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 abstract 1
- VUQUOGPMUUJORT-UHFFFAOYSA-N methyl 4-methylbenzenesulfonate Chemical compound COS(=O)(=O)C1=CC=C(C)C=C1 VUQUOGPMUUJORT-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- HOQOFZKWRRWSLV-UHFFFAOYSA-N n,n-dimethyl-4-[2-(6-nitro-1,3-benzothiazol-2-yl)ethenyl]aniline Chemical compound C1=CC(N(C)C)=CC=C1C=CC1=NC2=CC=C([N+]([O-])=O)C=C2S1 HOQOFZKWRRWSLV-UHFFFAOYSA-N 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 1
- VQTGUFBGYOIUFS-UHFFFAOYSA-N nitrosylsulfuric acid Chemical compound OS(=O)(=O)ON=O VQTGUFBGYOIUFS-UHFFFAOYSA-N 0.000 abstract 1
- 235000010288 sodium nitrite Nutrition 0.000 abstract 1
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
- G03C1/48592—Positive image obtained by various effects other than photohole bleaching or internal image desensitisation, e.g. Sabatier, Clayden effect
-
- 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
- G03C1/36—Desensitisers
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US35987A US2541472A (en) | 1948-06-29 | 1948-06-29 | Direct positive emulsion containing desensitizing dye |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB667206A true GB667206A (en) | 1952-02-27 |
Family
ID=21885938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB17049/49A Expired GB667206A (en) | 1948-06-29 | 1949-06-28 | Improvements in photographic processes and materials therefor |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2541472A (en(2012)) |
| BE (1) | BE489729A (en(2012)) |
| FR (1) | FR989400A (en(2012)) |
| GB (1) | GB667206A (en(2012)) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2865749A (en) * | 1956-11-06 | 1958-12-23 | Eastman Kodak Co | Stabilized photographic emulsions |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2614927A (en) * | 1949-06-01 | 1952-10-21 | Eastman Kodak Co | Rapid processing of photographic materials |
| DE977335C (de) * | 1953-03-16 | 1965-12-16 | Agfa Ag | Verfahren zur Verminderung der Blauempfindlichkeit von photographischen Halogensilberemulsionen |
| US2774668A (en) * | 1953-05-28 | 1956-12-18 | Polaroid Corp | Process and product for forming color images from complete dyes |
| NL110449C (en(2012)) * | 1957-08-19 | |||
| US3023102A (en) * | 1957-09-24 | 1962-02-27 | Gen Aniline & Film Corp | Direct positive photographic emulsion |
| NL109152C (en(2012)) * | 1957-10-04 | |||
| US2947629A (en) * | 1958-09-17 | 1960-08-02 | Eastman Kodak Co | Nitrosopyrimidine desensitizing compounds and photographic emulsions containing them |
| US3062651A (en) * | 1959-01-21 | 1962-11-06 | Eastman Kodak Co | Unhardened, fogged emulsions and method of processing to positive images |
| GB950486A (en) * | 1959-05-13 | 1964-02-26 | Kodak Ltd | Heat-treated photographic emulsions and their use |
| US3237008A (en) * | 1961-01-19 | 1966-02-22 | Eastman Kodak Co | Roomlight handling radiographic element including an x-ray sensitive layer overcoated with a dye desensitized silver halide emulsion |
| US3295969A (en) * | 1961-04-12 | 1967-01-03 | Eastman Kodak Co | Photographic spirit duplicating process |
| US3284203A (en) * | 1961-05-02 | 1966-11-08 | Fuji Photo Film Co Ltd | Direct positive photographic materials |
| US3189456A (en) * | 1961-06-19 | 1965-06-15 | Du Pont | Radiation-sensitive emulsions and elements and their preparation |
| US3278307A (en) * | 1961-11-21 | 1966-10-11 | Eastman Kodak Co | Photographic process for producing prints stabilized against print-out |
| GB1054284A (en(2012)) * | 1963-02-14 | |||
| GB1012860A (en) * | 1963-08-28 | 1965-12-08 | Ilford Ltd | Photographic materials and processes |
| US3367779A (en) * | 1965-01-21 | 1968-02-06 | Fuji Photo Film Co Ltd | Direct positive silver halide photographic materials |
| DE1935311C3 (de) * | 1968-07-15 | 1974-05-22 | Fuji Photo Film Co. Ltd., Ashigara, Kanagawa (Japan) | Photographische direktpositive Silberhalogenidemul sion |
| US3988154A (en) * | 1974-02-19 | 1976-10-26 | Eastman Kodak Company | Photographic supports and elements utilizing photobleachable omicron-nitroarylidene dyes |
| US3988156A (en) * | 1974-02-19 | 1976-10-26 | Eastman Kodak Company | Photographic supports and elements utilizing photobleachable o-nitroarylidene dyes |
| US4308379A (en) * | 1980-05-15 | 1981-12-29 | Minnesota Mining And Manufacturing Company | Acutance agents for use in thermally developable photosensitive compositions |
| US4271263A (en) * | 1980-05-15 | 1981-06-02 | Minnesota Mining And Manufacturing Company | Thermally developable photosensitive compositions containing acutance agents |
| US4404277A (en) * | 1981-08-21 | 1983-09-13 | Minnesota Mining And Manufacturing Company | Desensitizing dyes for photographic emulsions |
| EP0754967A1 (en) | 1995-07-14 | 1997-01-22 | Agfa-Gevaert N.V. | Photographic direct positive material containing a particular stabilizer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE390036A (en(2012)) * | 1928-01-31 | |||
| US2271229A (en) * | 1939-11-10 | 1942-01-27 | Eastman Kodak Co | Fog inhibitor for photographic developers |
| US2324123A (en) * | 1941-07-08 | 1943-07-13 | Eastman Kodak Co | Fog inhibitor for photographic developers |
| US2384593A (en) * | 1943-08-06 | 1945-09-11 | Eastman Kodak Co | Antifoggant |
-
0
- BE BE489729D patent/BE489729A/xx unknown
-
1948
- 1948-06-29 US US35987A patent/US2541472A/en not_active Expired - Lifetime
-
1949
- 1949-06-21 FR FR989400D patent/FR989400A/fr not_active Expired
- 1949-06-28 GB GB17049/49A patent/GB667206A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2865749A (en) * | 1956-11-06 | 1958-12-23 | Eastman Kodak Co | Stabilized photographic emulsions |
Also Published As
| Publication number | Publication date |
|---|---|
| FR989400A (fr) | 1951-09-07 |
| BE489729A (en(2012)) | |
| US2541472A (en) | 1951-02-13 |
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