US3897254A - Silver halide containing pyrazolone magenta coupler - Google Patents
Silver halide containing pyrazolone magenta coupler Download PDFInfo
- Publication number
- US3897254A US3897254A US468995A US46899574A US3897254A US 3897254 A US3897254 A US 3897254A US 468995 A US468995 A US 468995A US 46899574 A US46899574 A US 46899574A US 3897254 A US3897254 A US 3897254A
- Authority
- US
- United States
- Prior art keywords
- silver halide
- coupler
- magenta coupler
- pyrazolone
- trichlorophenyl
- 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 - Lifetime
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
- G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
- G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
- G03C7/32—Colour coupling substances
- G03C7/36—Couplers containing compounds with active methylene groups
- G03C7/38—Couplers containing compounds with active methylene groups in rings
- G03C7/384—Couplers containing compounds with active methylene groups in rings in pyrazolone rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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
- C07D231/38—Nitrogen atoms
- C07D231/40—Acylated on said nitrogen atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48052395A JPS515940B2 (de) | 1973-05-11 | 1973-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3897254A true US3897254A (en) | 1975-07-29 |
Family
ID=12913602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US468995A Expired - Lifetime US3897254A (en) | 1973-05-11 | 1974-05-10 | Silver halide containing pyrazolone magenta coupler |
Country Status (2)
Country | Link |
---|---|
US (1) | US3897254A (de) |
JP (1) | JPS515940B2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS503293A (de) * | 1973-05-11 | 1975-01-14 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2600788A (en) * | 1949-06-07 | 1952-06-17 | Eastman Kodak Co | Halogen-substituted pyrazolone couplers for color photography |
US3580722A (en) * | 1968-02-09 | 1971-05-25 | Konishiroku Photo Ind | Light-sensitive silver halide color photographic emulsion |
US3676137A (en) * | 1969-08-27 | 1972-07-11 | Fuji Photo Film Co Ltd | Color photographic light-sensitive element containing magenta coupler and alkyl phosphate solvent |
-
1973
- 1973-05-11 JP JP48052395A patent/JPS515940B2/ja not_active Expired
-
1974
- 1974-05-10 US US468995A patent/US3897254A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2600788A (en) * | 1949-06-07 | 1952-06-17 | Eastman Kodak Co | Halogen-substituted pyrazolone couplers for color photography |
US3580722A (en) * | 1968-02-09 | 1971-05-25 | Konishiroku Photo Ind | Light-sensitive silver halide color photographic emulsion |
US3676137A (en) * | 1969-08-27 | 1972-07-11 | Fuji Photo Film Co Ltd | Color photographic light-sensitive element containing magenta coupler and alkyl phosphate solvent |
Also Published As
Publication number | Publication date |
---|---|
JPS503630A (de) | 1975-01-16 |
JPS515940B2 (de) | 1976-02-24 |
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