GB419810A - An improved method of producing photographic dyestuff images - Google Patents

An improved method of producing photographic dyestuff images

Info

Publication number
GB419810A
GB419810A GB453833A GB453833A GB419810A GB 419810 A GB419810 A GB 419810A GB 453833 A GB453833 A GB 453833A GB 453833 A GB453833 A GB 453833A GB 419810 A GB419810 A GB 419810A
Authority
GB
United Kingdom
Prior art keywords
dyestuff
improved method
feb
substance
producing photographic
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
Application number
GB453833A
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DEG81936D external-priority patent/DE686006C/en
Application filed by Individual filed Critical Individual
Publication of GB419810A publication Critical patent/GB419810A/en
Expired 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
    • 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
    • G03C7/22—Subtractive cinematographic processes; Materials therefor; Preparing or processing such materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

419,810. Soundfilms. GASPAR, B., 38, Innsbruckerstrasse, Schoneberg, Berlin. Feb. 14, 1933, No. 4538. Convention date, Feb. r5, 1932. [Class 40 (ii).] Relates to the production of kinematographic dyestuff picture and sound images in diffusely coloured silver halide layers or layers containing dyestuff-forming substances and consists in effecting destruction of the dyestuff or dyestuffforming substance during development by treatment with a developer comprising a reducing substance together with an acid, an acid reacting substance or an accelerating addition. Specifications 395,718, 397,159, 397,188, 397,192, and 416,566, [all in Group XX], are referred to.
GB453833A 1932-02-15 1933-02-14 An improved method of producing photographic dyestuff images Expired GB419810A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEG81936D DE686006C (en) 1930-11-07 1932-02-15 Process for making photographic dye images

Publications (1)

Publication Number Publication Date
GB419810A true GB419810A (en) 1934-11-14

Family

ID=42245931

Family Applications (1)

Application Number Title Priority Date Filing Date
GB453833A Expired GB419810A (en) 1932-02-15 1933-02-14 An improved method of producing photographic dyestuff images

Country Status (2)

Country Link
FR (1) FR43049E (en)
GB (1) GB419810A (en)

Also Published As

Publication number Publication date
FR43049E (en) 1934-01-25

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