NL293721A - - Google Patents

Info

Publication number
NL293721A
NL293721A NL293721DA NL293721A NL 293721 A NL293721 A NL 293721A NL 293721D A NL293721D A NL 293721DA NL 293721 A NL293721 A NL 293721A
Authority
NL
Netherlands
Application number
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.)
Publication of NL293721A publication Critical patent/NL293721A/xx

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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29—Development processes or agents therefor
    • G03C5/30—Developers
    • G03C5/3028—Heterocyclic compounds
    • G03C5/3035—Heterocyclic compounds containing a diazole ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/54—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings condensed with carbocyclic rings or ring systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/54—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings condensed with carbocyclic rings or ring systems
    • C07D231/56—Benzopyrazoles; Hydrogenated benzopyrazoles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Developing Agents For Electrophotography (AREA)
NL293721D 1962-06-07 NL293721A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22157/62A GB987597A (en) 1962-06-07 1962-06-07 New pyrazolidinone developing agents

Publications (1)

Publication Number Publication Date
NL293721A true NL293721A (fr)

Family

ID=10174860

Family Applications (2)

Application Number Title Priority Date Filing Date
NL125600D NL125600C (fr) 1962-06-07
NL293721D NL293721A (fr) 1962-06-07

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL125600D NL125600C (fr) 1962-06-07

Country Status (6)

Country Link
US (1) US3284200A (fr)
BE (1) BE633195A (fr)
DE (1) DE1445938A1 (fr)
ES (1) ES288573A1 (fr)
GB (1) GB987597A (fr)
NL (2) NL293721A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4169952A (en) * 1977-03-14 1979-10-02 E. I. Du Pont De Nemours And Company Process for the preparation of cyclohexanone-2-carboxamide
US4139710A (en) * 1977-03-11 1979-02-13 E. I. Du Pont De Nemours And Company Preparation of hexahydroindazolones

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE492307A (fr) * 1948-11-23
BE499957A (fr) * 1949-12-13
US2743279A (en) * 1953-08-03 1956-04-24 Eastman Kodak Co Process of preparing 3-pyrazolidones
BE530884A (fr) * 1953-08-03
BE540750A (fr) * 1954-08-24
US3038801A (en) * 1960-02-18 1962-06-12 Philip A Hunt Company Photographic pyrazolidone developers in non-aqueous organic solvents

Also Published As

Publication number Publication date
DE1445938A1 (de) 1969-02-13
BE633195A (fr)
NL125600C (fr)
GB987597A (en) 1965-03-31
US3284200A (en) 1966-11-08
ES288573A1 (es) 1963-11-16

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