GB333931A - Improvements in and relating to colour photography - Google Patents

Improvements in and relating to colour photography

Info

Publication number
GB333931A
GB333931A GB1593229A GB1593229A GB333931A GB 333931 A GB333931 A GB 333931A GB 1593229 A GB1593229 A GB 1593229A GB 1593229 A GB1593229 A GB 1593229A GB 333931 A GB333931 A GB 333931A
Authority
GB
United Kingdom
Prior art keywords
colour
stratum
layers
photography
relating
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
GB1593229A
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
Application filed by Individual filed Critical Individual
Priority to GB1593229A priority Critical patent/GB333931A/en
Publication of GB333931A publication Critical patent/GB333931A/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
    • G03C1/00—Photosensitive materials
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G03C1/83—Organic dyestuffs therefor
    • G03C1/831—Azo dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Optical Filters (AREA)

Abstract

333,931. Kelley, W. van D. May 23, 1929. Colour photography. -A film for colour photography comprises a transparent base 10 having two emulsion coatings 11, 13 on one side separated by a stratum of gelatin 12 containing a colour-filtering dye consisting of a combination of benzidene. or its homologues with the sulphonic acids of naphthol and naphthylamine, for example Congo red or benzopurpurine. Either or each sensitized layer may be insensitive to the colour transmitted by the colour stratum, and the layers may be differently colour-sensitive. Different colour images may be produced in the layers and the dye may be subsequently bleached by a bath of sodium hydrosulphite.
GB1593229A 1929-05-23 1929-05-23 Improvements in and relating to colour photography Expired GB333931A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1593229A GB333931A (en) 1929-05-23 1929-05-23 Improvements in and relating to colour photography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1593229A GB333931A (en) 1929-05-23 1929-05-23 Improvements in and relating to colour photography

Publications (1)

Publication Number Publication Date
GB333931A true GB333931A (en) 1930-08-25

Family

ID=10068141

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1593229A Expired GB333931A (en) 1929-05-23 1929-05-23 Improvements in and relating to colour photography

Country Status (1)

Country Link
GB (1) GB333931A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2704254A (en) * 1950-03-24 1955-03-15 Mccorquodale & Company Ltd Photographically sensitive element for photomechanical reproduction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2704254A (en) * 1950-03-24 1955-03-15 Mccorquodale & Company Ltd Photographically sensitive element for photomechanical reproduction

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