GB663550A - Improvements in or relating to the production of colour photographic images - Google Patents

Improvements in or relating to the production of colour photographic images

Info

Publication number
GB663550A
GB663550A GB2678448A GB2678448A GB663550A GB 663550 A GB663550 A GB 663550A GB 2678448 A GB2678448 A GB 2678448A GB 2678448 A GB2678448 A GB 2678448A GB 663550 A GB663550 A GB 663550A
Authority
GB
United Kingdom
Prior art keywords
relating
production
photographic images
colour photographic
nitrobenzoylhydrazide
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
GB2678448A
Other languages
English (en)
Inventor
Philibert Leopold Joseph Merck
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 BE491617D priority Critical patent/BE491617A/xx
Application filed by Gevaert Photo Producten NV filed Critical Gevaert Photo Producten NV
Priority to GB2678448A priority patent/GB663550A/en
Priority to FR997031D priority patent/FR997031A/fr
Publication of GB663550A publication Critical patent/GB663550A/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
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32—Colour coupling substances
    • G03C7/3212—Couplers characterised by a group not in coupling site, e.g. ballast group, as far as the coupling rest is not specific

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
GB2678448A 1948-10-14 1948-10-14 Improvements in or relating to the production of colour photographic images Expired GB663550A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE491617D BE491617A (xx) 1948-10-14
GB2678448A GB663550A (en) 1948-10-14 1948-10-14 Improvements in or relating to the production of colour photographic images
FR997031D FR997031A (fr) 1948-10-14 1949-10-07 Procédé pour la production d'images photographiques en couleurs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2678448A GB663550A (en) 1948-10-14 1948-10-14 Improvements in or relating to the production of colour photographic images

Publications (1)

Publication Number Publication Date
GB663550A true GB663550A (en) 1951-12-27

Family

ID=10249135

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2678448A Expired GB663550A (en) 1948-10-14 1948-10-14 Improvements in or relating to the production of colour photographic images

Country Status (3)

Country Link
BE (1) BE491617A (xx)
FR (1) FR997031A (xx)
GB (1) GB663550A (xx)

Also Published As

Publication number Publication date
FR997031A (fr) 1951-12-31
BE491617A (xx)

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