GB539698A - Improvements in and relating to colour photographic processes of the bleach-out type - Google Patents

Improvements in and relating to colour photographic processes of the bleach-out type

Info

Publication number
GB539698A
GB539698A GB2989939A GB2989939A GB539698A GB 539698 A GB539698 A GB 539698A GB 2989939 A GB2989939 A GB 2989939A GB 2989939 A GB2989939 A GB 2989939A GB 539698 A GB539698 A GB 539698A
Authority
GB
United Kingdom
Prior art keywords
condensing
dye obtained
nitrosodiethylaniline
dyes
ethiodide
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
GB2989939A
Other languages
English (en)
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.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten NV
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 to NL56078D priority Critical patent/NL56078C/xx
Priority to BE439698D priority patent/BE439698A/xx
Application filed by Gevaert Photo Producten NV filed Critical Gevaert Photo Producten NV
Priority to GB2989939A priority patent/GB539698A/en
Priority to FR867655D priority patent/FR867655A/fr
Publication of GB539698A publication Critical patent/GB539698A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Indole Compounds (AREA)
GB2989939A 1939-11-11 1939-11-11 Improvements in and relating to colour photographic processes of the bleach-out type Expired GB539698A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL56078D NL56078C (fr) 1939-11-11
BE439698D BE439698A (fr) 1939-11-11
GB2989939A GB539698A (en) 1939-11-11 1939-11-11 Improvements in and relating to colour photographic processes of the bleach-out type
FR867655D FR867655A (fr) 1939-11-11 1940-11-07 Procédé pour la préparation de couches photographiques pour décoloration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2989939A GB539698A (en) 1939-11-11 1939-11-11 Improvements in and relating to colour photographic processes of the bleach-out type

Publications (1)

Publication Number Publication Date
GB539698A true GB539698A (en) 1941-09-22

Family

ID=10299002

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2989939A Expired GB539698A (en) 1939-11-11 1939-11-11 Improvements in and relating to colour photographic processes of the bleach-out type

Country Status (4)

Country Link
BE (1) BE439698A (fr)
FR (1) FR867655A (fr)
GB (1) GB539698A (fr)
NL (1) NL56078C (fr)

Also Published As

Publication number Publication date
NL56078C (fr)
BE439698A (fr)
FR867655A (fr) 1941-11-21

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