CH522901A - Use of pterines as color bleaching catalysts - Google Patents

Use of pterines as color bleaching catalysts

Info

Publication number
CH522901A
CH522901A CH152170A CH152170A CH522901A CH 522901 A CH522901 A CH 522901A CH 152170 A CH152170 A CH 152170A CH 152170 A CH152170 A CH 152170A CH 522901 A CH522901 A CH 522901A
Authority
CH
Switzerland
Prior art keywords
pterines
bleaching catalysts
color bleaching
color
catalysts
Prior art date
Application number
CH152170A
Other languages
German (de)
Inventor
Peter Dr Schlunke Hans
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
Priority to CH152170A priority Critical patent/CH522901A/en
Priority to DE19712105047 priority patent/DE2105047A1/en
Publication of CH522901A publication Critical patent/CH522901A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D475/00—Heterocyclic compounds containing pteridine ring systems
    • C07D475/02—Heterocyclic compounds containing pteridine ring systems with an oxygen atom directly attached in position 4
    • C07D475/04—Heterocyclic compounds containing pteridine ring systems with an oxygen atom directly attached in position 4 with a nitrogen atom directly attached in position 2
    • 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

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)
CH152170A 1970-02-03 1970-02-03 Use of pterines as color bleaching catalysts CH522901A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH152170A CH522901A (en) 1970-02-03 1970-02-03 Use of pterines as color bleaching catalysts
DE19712105047 DE2105047A1 (en) 1970-02-03 1971-02-03 Pterines dye bleach catalysts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH152170A CH522901A (en) 1970-02-03 1970-02-03 Use of pterines as color bleaching catalysts

Publications (1)

Publication Number Publication Date
CH522901A true CH522901A (en) 1972-05-15

Family

ID=4212383

Family Applications (1)

Application Number Title Priority Date Filing Date
CH152170A CH522901A (en) 1970-02-03 1970-02-03 Use of pterines as color bleaching catalysts

Country Status (2)

Country Link
CH (1) CH522901A (en)
DE (1) DE2105047A1 (en)

Also Published As

Publication number Publication date
DE2105047A1 (en) 1971-08-19

Similar Documents

Publication Publication Date Title
IT1019923B (en) COMPOSITION OF BLEACHING FIXING
CH537151A (en) Use of cyclopentenones as insecticides
CH486850A (en) Use of dihydrofuran derivatives as flavorings
FI58344B (en) VAT CONTAINED CONTAINING I VAETSKEFORM
CH516339A (en) Use of azole compounds as antioxidants
CH508226A (en) Use of quinoxalines as color bleaching catalysts
BE768469A (en) COMPOSITION OF PEROXYGENATED BLEACHING
CH512931A (en) Use of azole compounds as antioxidants
IT956935B (en) DISPERSION OF DYES
AT336897B (en) STABILIZATION OF TRANS-POLYPENTENAMER
CH527318A (en) Refining of textile materials containing keratin
IT1008318B (en) DYES OF NAPHTOLACTAM
CH512195A (en) Use of calcium-sodium-phosphates as mineral feedstuff
CH433980A (en) Use of acylamino compounds as color bleaching catalysts for the silver color bleaching process
CH438936A (en) Use of pyrazines as color bleaching catalysts in the silver color bleaching process
CH527873A (en) Use of aryl 4-hydroxy-benzoate as light stabilizers
IT1008997B (en) COLORING OF POLYESTERS
CH487198A (en) Use of carboxamides as antioxidants
CH522901A (en) Use of pterines as color bleaching catalysts
CH424475A (en) Use of azine compounds as color bleaching catalysts for the silver color bleaching process
CH531088A (en) Refining of textile materials containing keratin
CH529876A (en) Refining of keratin-containing textile materials
CH500257A (en) Use of 1,3-bis- (2'-hydroxy-benzoyl) -benzenes as light stabilizers
CH507317A (en) Use of azoacyl compounds as catalysts for emulsion polymerization
IT1016090B (en) NAPHTHALIMIDE COMPOUNDS AND OPTICAL WHITENERS

Legal Events

Date Code Title Description
PL Patent ceased