GB1051970A - - Google Patents

Info

Publication number
GB1051970A
GB1051970A GB1051970DA GB1051970A GB 1051970 A GB1051970 A GB 1051970A GB 1051970D A GB1051970D A GB 1051970DA GB 1051970 A GB1051970 A GB 1051970A
Authority
GB
United Kingdom
Prior art keywords
pyrazine
bleaching
bath
silver
dimethyl
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.)
Active
Application number
Other languages
English (en)
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 GB1051970A publication Critical patent/GB1051970A/en
Active 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
GB1051970D 1964-03-20 Active GB1051970A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH361864A CH438936A (de) 1964-03-20 1964-03-20 Verwendung von Pyrazinen als Farbbleichkatalysatoren im Silberfarbbleichverfahren

Publications (1)

Publication Number Publication Date
GB1051970A true GB1051970A (de)

Family

ID=4259842

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1051970D Active GB1051970A (de) 1964-03-20

Country Status (8)

Country Link
US (1) US3394004A (de)
AT (1) AT257358B (de)
BE (1) BE661358A (de)
CH (1) CH438936A (de)
DE (1) DE1269483B (de)
ES (1) ES310746A1 (de)
GB (1) GB1051970A (de)
NL (1) NL6503517A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH543108A (de) * 1970-09-04 1973-10-15 Ciba Geigy Ag Verwendung von Chinoxalinen in photographischen Verfahren
CH576158A5 (de) * 1972-02-28 1976-05-31 Ciba Geigy Ag
NL7810745A (nl) * 1977-10-28 1979-05-02 Ciba Geigy Werkwijze voor de vervaardiging van fotografische beelden.
US4304846A (en) * 1979-02-09 1981-12-08 Ciba-Geigy Ag Method for processing silver dye-bleach materials
ES2118079T3 (es) * 1991-06-11 1998-09-16 Jahleel Corp Baño de blanqueo y su utilizacion en un proceso de blanqueo de colores a la plata.
US5550009A (en) * 1995-04-17 1996-08-27 Eastman Kodak Company Stabilized peroxide bleaching solutions and their use for processing of photographic elements

Family Cites Families (2)

* 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
BE579274A (de) * 1958-06-03

Also Published As

Publication number Publication date
US3394004A (en) 1968-07-23
AT257358B (de) 1967-10-10
CH438936A (de) 1967-06-30
NL6503517A (de) 1965-09-21
DE1269483B (de) 1968-05-30
BE661358A (de) 1965-09-20
ES310746A1 (es) 1966-01-01

Similar Documents

Publication Publication Date Title
GB1163324A (de)
GB1051970A (de)
CH485485A (de) Verwendung von Oxalsäure-esteramiden als Ultraviolettschutzmittel ausserhalb der Textilindustrie
GB1189720A (en) Aromatic Sulfamoyl Compounds
GB1189734A (en) Piperazine-Derived Enamines
GB1299402A (en) Photographic silver dyestuff bleaching catalysts
AT303757B (de) Verfahren zur Herstellung von neuen, als Flammschutzmittel für Textilien geeigneten Melamin-Derivaten
GB1317278A (en) Copolyesters
GB1017267A (en) Dyestuffs of the peri-naphthazole series
GB1172654A (en) Furan-2,5-Dicarboxylic Acid Diamides and their use as agents for Combating Harmful Bacteria
ES409873A1 (es) Procedimiento de obtencion de productos liquidos, estables en el almacenamiento, para el apresto de tejidos conteniendocelulosa.
GB1287753A (en) Substituted anilides and preparations containing them
GB1064350A (en) Dyestuff bleaching catalysts for the silver dyestuff bleaching process
CH454119A (de) Katalytische Herstellung von Acrylsäurenitril
GB1266473A (de)
GB1377614A (en) Azo pyridones
GB1240020A (en) Triazinyl-aminostilbene derivatives
ES341318A1 (es) Un procedimiento para la preparacion de pirazinoilguanidi- nas y pirazinamidoguanidinas.
GB1269740A (en) Anti-static polyester compositions
GB1250224A (de)
GB1084521A (en) New polyamides and proces for preparing them
GB1242961A (en) Thermally stabilized cellulose material
GB1386491A (en) Polyester compositions
GB1360416A (en) Colouration process
IT981365B (it) Coloranti bisazoici dispersi derivati dall acido i fenil 5 pirazolon 3 acetico