US3656953A - Silver dyestuff bleaching process using quinoxaline catalyst - Google Patents

Silver dyestuff bleaching process using quinoxaline catalyst Download PDF

Info

Publication number
US3656953A
US3656953A US16207A US3656953DA US3656953A US 3656953 A US3656953 A US 3656953A US 16207 A US16207 A US 16207A US 3656953D A US3656953D A US 3656953DA US 3656953 A US3656953 A US 3656953A
Authority
US
United States
Prior art keywords
formula
quinoxaline
process according
acid
minutes
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
Application number
US16207A
Other languages
English (en)
Inventor
Hans-Peter Schlunke
Karl Ronco
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of US3656953A publication Critical patent/US3656953A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
US16207A 1969-03-13 1970-03-03 Silver dyestuff bleaching process using quinoxaline catalyst Expired - Lifetime US3656953A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH382069A CH508226A (de) 1969-03-13 1969-03-13 Verwendung von Chinoxalinen als Farbbleichkatalysatoren

Publications (1)

Publication Number Publication Date
US3656953A true US3656953A (en) 1972-04-18

Family

ID=4264166

Family Applications (1)

Application Number Title Priority Date Filing Date
US16207A Expired - Lifetime US3656953A (en) 1969-03-13 1970-03-03 Silver dyestuff bleaching process using quinoxaline catalyst

Country Status (10)

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

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767402A (en) * 1970-09-04 1973-10-23 Ciba Geigy Ag Photographic colour material
DE2722776A1 (de) * 1976-05-24 1977-12-08 Ciba Geigy Ag Chinoxaline und deren verwendung in photographischen verfahren
US4125725A (en) * 1976-04-06 1978-11-14 The United States Of America As Represented By The Secretary Of The Navy Phenylated carboxyquinoxalines
US4145217A (en) * 1976-05-24 1979-03-20 Ciba-Geigy Ag Quinoxalines and their use in photographic processes
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
US20050026923A1 (en) * 2003-04-15 2005-02-03 Haoyun An Quinoxaline derivatives having antiviral activity

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997014681A1 (en) * 1995-10-16 1997-04-24 Fujisawa Pharmaceutical Co., Ltd. Heterocyclic compounds as h+-atpases
US6951215B1 (en) 2000-07-14 2005-10-04 Tufts University Drug delivery device for animals

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2270118A (en) * 1936-12-14 1942-01-13 Chromogen Inc Production of colored photographic pictures
US2669517A (en) * 1952-12-10 1954-02-16 Gen Aniline & Film Corp Furoquinoxalines and thienoquinoxalines as catalysts in dye bleach baths for color photography
US3278303A (en) * 1961-12-20 1966-10-11 Ciba Ltd Process for the preparation of multicolored images by the silver dyestuff bleaching method
US3429705A (en) * 1964-07-07 1969-02-25 Ciba Ltd Process for the production of colored photographic images
US3443947A (en) * 1964-11-20 1969-05-13 Ciba Ltd Colour bleaching catalysts for the silver dyestuff bleaching process
US3443949A (en) * 1964-10-22 1969-05-13 Ciba Ltd Dyestuff bleaching catalysts for the silver dyestuff bleaching process

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2270118A (en) * 1936-12-14 1942-01-13 Chromogen Inc Production of colored photographic pictures
US2669517A (en) * 1952-12-10 1954-02-16 Gen Aniline & Film Corp Furoquinoxalines and thienoquinoxalines as catalysts in dye bleach baths for color photography
US3278303A (en) * 1961-12-20 1966-10-11 Ciba Ltd Process for the preparation of multicolored images by the silver dyestuff bleaching method
US3429705A (en) * 1964-07-07 1969-02-25 Ciba Ltd Process for the production of colored photographic images
US3443949A (en) * 1964-10-22 1969-05-13 Ciba Ltd Dyestuff bleaching catalysts for the silver dyestuff bleaching process
US3443947A (en) * 1964-11-20 1969-05-13 Ciba Ltd Colour bleaching catalysts for the silver dyestuff bleaching process

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767402A (en) * 1970-09-04 1973-10-23 Ciba Geigy Ag Photographic colour material
US4125725A (en) * 1976-04-06 1978-11-14 The United States Of America As Represented By The Secretary Of The Navy Phenylated carboxyquinoxalines
DE2722776A1 (de) * 1976-05-24 1977-12-08 Ciba Geigy Ag Chinoxaline und deren verwendung in photographischen verfahren
US4145217A (en) * 1976-05-24 1979-03-20 Ciba-Geigy Ag Quinoxalines and their use in photographic processes
US4202698A (en) * 1976-05-24 1980-05-13 Ciba-Geigy Ag Quinoxalines and their use in photographic processes
US4323682A (en) * 1976-05-24 1982-04-06 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
US20050026923A1 (en) * 2003-04-15 2005-02-03 Haoyun An Quinoxaline derivatives having antiviral activity
US7189724B2 (en) * 2003-04-15 2007-03-13 Valeant Research And Development Quinoxaline derivatives having antiviral activity

Also Published As

Publication number Publication date
NL167523C (nl) 1981-12-16
CA938146A (en) 1973-12-11
FR2034876A1 (de) 1970-12-18
DE2010280C3 (de) 1979-11-15
GB1299402A (en) 1972-12-13
NL167523B (nl) 1981-07-16
BE747252A (fr) 1970-09-14
NL7003551A (de) 1970-09-15
SU383336A3 (de) 1973-05-25
DE2010280A1 (de) 1970-09-24
CH508226A (de) 1971-05-31
DE2010280B2 (de) 1979-03-22
JPS4910054B1 (de) 1974-03-08

Similar Documents

Publication Publication Date Title
US2859112A (en) Quinoline-quinone-(3, 4) diazide plates
US3656953A (en) Silver dyestuff bleaching process using quinoxaline catalyst
GB2036994A (en) Photographic recording material containing blocked photographically useful compound
US2846307A (en) Isoxazolone couplers in color photography
US3013879A (en) Production of color photographic images
US4110355A (en) Anthraquinone compounds useful in photographic processes
US4345024A (en) Photographic development inhibitor releasing compound
US3796576A (en) Photographic material comprising a quinoxaline as dye bleaching catalyst
US3222176A (en) Photographic colour images from amino substituted phenols
US2333106A (en) Color photography
US2902366A (en) Acylated 3-aminopyrazolone couplers
US2673801A (en) Production of color photographic images
US3186840A (en) Direct positive colored photographic elements containing dihydrazones and process for forming colored masks therefrom
US3328419A (en) Colour couplers and their production and use in colour photography
US3649278A (en) Process for forming a photographic image
US3767402A (en) Photographic colour material
US3622337A (en) Cyan color formers for color photography
US2688541A (en) Light-sensitive color photographic material
US3615494A (en) Method of producing color photographic images by the silver dye bleach method
US3884918A (en) 2,3 Substituted, 5,6 or 6,7 ethylene or methylene dioxy quinoxalines
US4390606A (en) Color-forming para-sulfonamidodiphenylamine dye precursor and sulfonimide dye in photographic material and process
US3782948A (en) Photographic material containing nitro compounds for the silver dyestuff bleaching process
US2500487A (en) Yellow diffusion-fast color formers of the benzimidazole class
US3199983A (en) 3-indazolone color couplers
US4446227A (en) Dyestuffs and their use in photographic material