CH295701A - Process for removing stains and preventing color degradation from images of phenazonium dyes. - Google Patents

Process for removing stains and preventing color degradation from images of phenazonium dyes.

Info

Publication number
CH295701A
CH295701A CH295701DA CH295701A CH 295701 A CH295701 A CH 295701A CH 295701D A CH295701D A CH 295701DA CH 295701 A CH295701 A CH 295701A
Authority
CH
Switzerland
Prior art keywords
phenazonium
dyes
images
preventing color
removing stains
Prior art date
Application number
Other languages
French (fr)
Inventor
Corporation General Anili Film
Original Assignee
Gen Aniline & Film Corp
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 Gen Aniline & Film Corp filed Critical Gen Aniline & Film Corp
Publication of CH295701A publication Critical patent/CH295701A/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
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/3046—Processing baths not provided for elsewhere, e.g. final or intermediate washings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
CH295701D 1950-12-22 1951-12-22 Process for removing stains and preventing color degradation from images of phenazonium dyes. CH295701A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US202437A US2657139A (en) 1950-12-22 1950-12-22 Process of removing color developer stain in azine dye images

Publications (1)

Publication Number Publication Date
CH295701A true CH295701A (en) 1954-01-15

Family

ID=22749866

Family Applications (1)

Application Number Title Priority Date Filing Date
CH295701D CH295701A (en) 1950-12-22 1951-12-22 Process for removing stains and preventing color degradation from images of phenazonium dyes.

Country Status (6)

Country Link
US (1) US2657139A (en)
BE (1) BE507902A (en)
CH (1) CH295701A (en)
DE (1) DE900782C (en)
FR (1) FR1047081A (en)
GB (1) GB701341A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2827375A (en) * 1954-03-26 1958-03-18 Gen Aniline & Film Corp Polyamines as short stop agents for azinte color developers
US2980536A (en) * 1956-07-02 1961-04-18 Morton Chemical Co Photographic shortstop compositions
BE562088A (en) * 1956-11-05
US3140177A (en) * 1960-11-10 1964-07-07 Eastman Kodak Co Processing color photographic materials
GB1230435A (en) * 1967-10-02 1971-05-05
JPS4983441A (en) * 1972-12-13 1974-08-10

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2367548A (en) * 1942-09-04 1945-01-16 Eastman Kodak Co Hardening and stain prevention process in color photography
US2518686A (en) * 1945-11-08 1950-08-15 Gen Aniline & Film Corp Aldehyde antistain baths for developed color photographic material
US2515121A (en) * 1945-11-08 1950-07-11 Gen Aniline & Film Corp Process for preventing stains in photographic color material by treatment with basic acids immediately prior to drying

Also Published As

Publication number Publication date
BE507902A (en)
GB701341A (en) 1953-12-23
FR1047081A (en) 1953-12-10
DE900782C (en) 1954-01-04
US2657139A (en) 1953-10-27

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