GB680489A - Improvements in colour photographic materials - Google Patents

Improvements in colour photographic materials

Info

Publication number
GB680489A
GB680489A GB14556/50A GB1455650A GB680489A GB 680489 A GB680489 A GB 680489A GB 14556/50 A GB14556/50 A GB 14556/50A GB 1455650 A GB1455650 A GB 1455650A GB 680489 A GB680489 A GB 680489A
Authority
GB
United Kingdom
Prior art keywords
pyrazolone
tert
phenyl
prepared
alloxan
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
Application number
GB14556/50A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kodak Ltd
Original Assignee
Kodak Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kodak Ltd filed Critical Kodak Ltd
Publication of GB680489A publication Critical patent/GB680489A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D403/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/02Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
    • C07D403/12Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D231/00Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10Heterocyclic 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
    • C07D231/14Heterocyclic 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
    • C07D231/18One oxygen or sulfur atom
    • C07D231/20One oxygen atom attached in position 3 or 5
    • C07D231/22One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms
    • C07D231/261-Phenyl-3-methyl-5- pyrazolones, unsubstituted or substituted on the phenyl ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D231/00Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10Heterocyclic 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
    • C07D231/14Heterocyclic 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
    • C07D231/44Oxygen and nitrogen or sulfur and nitrogen atoms
    • C07D231/52Oxygen atom in position 3 and nitrogen atom in position 5, or vice versa
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D403/00Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
    • C07D403/14Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing three or more hetero rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D405/00Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/04Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32Colour coupling substances
    • G03C7/36Couplers containing compounds with active methylene groups
    • G03C7/38Couplers containing compounds with active methylene groups in rings
    • G03C7/384Couplers containing compounds with active methylene groups in rings in pyrazolone rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Indole Compounds (AREA)
GB14556/50A 1949-06-11 1950-06-12 Improvements in colour photographic materials Expired GB680489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US98629A US2632702A (en) 1949-06-11 1949-06-11 Pyrazolone couplers for color photography

Publications (1)

Publication Number Publication Date
GB680489A true GB680489A (en) 1952-10-08

Family

ID=22270197

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14556/50A Expired GB680489A (en) 1949-06-11 1950-06-12 Improvements in colour photographic materials

Country Status (4)

Country Link
US (1) US2632702A (enrdf_load_stackoverflow)
BE (1) BE496132A (enrdf_load_stackoverflow)
FR (1) FR1066012A (enrdf_load_stackoverflow)
GB (1) GB680489A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519429A (en) * 1966-05-16 1970-07-07 Eastman Kodak Co Silver halide emulsions containing a stabilizer pyrazolone coupler
JPS5110783B2 (enrdf_load_stackoverflow) * 1971-04-26 1976-04-06
US4695634A (en) * 1981-01-02 1987-09-22 Pfizer Inc. Hypoglycemic 5-substituted oxazolidine-2,4-diones
EP0711804A3 (de) 1994-11-14 1999-09-22 Ciba SC Holding AG Kryptolichtschutzmittel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL101609B (enrdf_load_stackoverflow) * 1936-11-02 1900-01-01 Ig Farbenindustrie Ag
US2200294A (en) * 1937-06-21 1940-05-14 Kingston Products Corp Electrical connection means
GB513596A (en) * 1938-04-08 1939-10-17 John David Kendall Improvements in and relating to the production of coloured photographic images by colour development
GB547064A (en) * 1940-11-04 1942-08-12 Eastman Kodak Co Improvements in and relating to colour forming developers and processes of colour development
US2369489A (en) * 1941-09-25 1945-02-13 Eastman Kodak Co Acylated amino pyrazolone couplers

Also Published As

Publication number Publication date
FR1066012A (fr) 1954-06-01
US2632702A (en) 1953-03-24
BE496132A (enrdf_load_stackoverflow)

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