BE747252A - BLEACH CATALYSTS FOR COLOR PHOTOS - Google Patents

BLEACH CATALYSTS FOR COLOR PHOTOS

Info

Publication number
BE747252A
BE747252A BE747252DA BE747252A BE 747252 A BE747252 A BE 747252A BE 747252D A BE747252D A BE 747252DA BE 747252 A BE747252 A BE 747252A
Authority
BE
Belgium
Prior art keywords
bleach catalysts
color photos
photos
color
bleach
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of BE747252A publication Critical patent/BE747252A/en

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
    • G03C7/28—Silver dye bleach processes; Materials therefor; Preparing or processing such materials
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
    • C07D241/38—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
    • C07D241/40—Benzopyrazines
    • C07D241/42—Benzopyrazines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE747252D 1969-03-13 1970-03-12 BLEACH CATALYSTS FOR COLOR PHOTOS BE747252A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH382069A CH508226A (en) 1969-03-13 1969-03-13 Use of quinoxalines as color bleaching catalysts

Publications (1)

Publication Number Publication Date
BE747252A true BE747252A (en) 1970-09-14

Family

ID=4264166

Family Applications (1)

Application Number Title Priority Date Filing Date
BE747252D BE747252A (en) 1969-03-13 1970-03-12 BLEACH CATALYSTS FOR COLOR PHOTOS

Country Status (10)

Country Link
US (1) US3656953A (en)
JP (1) JPS4910054B1 (en)
BE (1) BE747252A (en)
CA (1) CA938146A (en)
CH (1) CH508226A (en)
DE (1) DE2010280C3 (en)
FR (1) FR2034876A1 (en)
GB (1) GB1299402A (en)
NL (1) NL167523C (en)
SU (1) SU383336A3 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH543108A (en) * 1970-09-04 1973-10-15 Ciba Geigy Ag Use of quinoxalines in photographic processes
US4125725A (en) * 1976-04-06 1978-11-14 The United States Of America As Represented By The Secretary Of The Navy Phenylated carboxyquinoxalines
CH621545A5 (en) * 1976-05-24 1981-02-13 Ciba Geigy Ag
CH624676A5 (en) * 1976-05-24 1981-08-14 Ciba Geigy Ag
US4202698A (en) * 1976-05-24 1980-05-13 Ciba-Geigy Ag Quinoxalines and their use in photographic processes
US4304846A (en) * 1979-02-09 1981-12-08 Ciba-Geigy Ag Method for processing silver dye-bleach materials
US6008230A (en) * 1995-10-16 1999-12-28 Fujisawa Pharmaceutical Co., Ltd. Quinoline compounds as H+ -ATPases
US6951215B1 (en) 2000-07-14 2005-10-04 Tufts University Drug delivery device for animals
US7189724B2 (en) * 2003-04-15 2007-03-13 Valeant Research And Development Quinoxaline derivatives having antiviral activity

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE22308E (en) * 1936-12-14 1943-05-11 Production of colored photographic
BE524877A (en) * 1952-12-10
NL286940A (en) * 1961-12-20
CH433980A (en) * 1964-07-07 1967-04-15 Ciba Geigy Use of acylamino compounds as color bleaching catalysts for the silver color bleaching process
CH439963A (en) * 1964-10-22 1967-07-15 Ciba Geigy Photographic material for the silver dye bleaching process
CH440968A (en) * 1964-11-20 1967-07-31 Ciba Geigy Use of organic compounds as color bleaching catalysts for the silver color bleaching process

Also Published As

Publication number Publication date
NL167523C (en) 1981-12-16
US3656953A (en) 1972-04-18
JPS4910054B1 (en) 1974-03-08
CH508226A (en) 1971-05-31
DE2010280A1 (en) 1970-09-24
CA938146A (en) 1973-12-11
GB1299402A (en) 1972-12-13
SU383336A3 (en) 1973-05-25
NL167523B (en) 1981-07-16
DE2010280C3 (en) 1979-11-15
NL7003551A (en) 1970-09-15
DE2010280B2 (en) 1979-03-22
FR2034876A1 (en) 1970-12-18

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: CIBA S.A.

Effective date: 19900312