GB1220136A - Photographic colour process - Google Patents

Photographic colour process

Info

Publication number
GB1220136A
GB1220136A GB569168A GB569168A GB1220136A GB 1220136 A GB1220136 A GB 1220136A GB 569168 A GB569168 A GB 569168A GB 569168 A GB569168 A GB 569168A GB 1220136 A GB1220136 A GB 1220136A
Authority
GB
United Kingdom
Prior art keywords
thiazoline
images
colour
thiazolines
thione
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
GB569168A
Inventor
James Leo Graham
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1220136A publication Critical patent/GB1220136A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/392Additives
    • G03C7/39208Organic compounds
    • G03C7/3924Heterocyclic
    • G03C7/39276Heterocyclic the nucleus containing nitrogen and sulfur

Landscapes

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

Abstract

1,220,136. Multi-colour photography. EASTMAN KODAK CO. Feb. 5, 1968 [Feb. 6, 1967; Dec. 29, 1967], No. 5691/68. Heading G2C. Multi-colour photographic images are formed bw developing silver images in a photographic materis. having at least two imagewise exposed silver halide emulsion layers in the presence of a diffusible 3-H-4-thiazoline-2-thione and subsequently forming a differently coloured dye image in each layer. The thiazoline, which produces an undercut interimage effect which results in more saturated, brighter dye images, may be in a silver halide emulsion or other layer, or in a processing solution, e. g. in the black-and-white developer or a solution used before this developer in colour reversal processes. Preferred thiazolines are of formula: in which X is an alkyl, hydroxyalkyl or#CO containing aliphatic group, and Z is H or a group defined for X. The thiazolines may be added in the form of a disulphide, e.g. bis [5, 4-(1,2-D-gluco)- thiazolyl] disulphide, which cleaves to the required thiazoline -thione.
GB569168A 1967-02-06 1968-02-05 Photographic colour process Expired GB1220136A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61398867A 1967-02-06 1967-02-06
US69439867A 1967-12-29 1967-12-29

Publications (1)

Publication Number Publication Date
GB1220136A true GB1220136A (en) 1971-01-20

Family

ID=27087132

Family Applications (1)

Application Number Title Priority Date Filing Date
GB569168A Expired GB1220136A (en) 1967-02-06 1968-02-05 Photographic colour process

Country Status (3)

Country Link
BE (1) BE710344A (en)
FR (1) FR1563019A (en)
GB (1) GB1220136A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR7100500D0 (en) * 1970-03-20 1973-06-07 Eastman Kodak Co PHOTOGRAPHIC ELEMENT

Also Published As

Publication number Publication date
DE1622271B2 (en) 1976-01-29
DE1622271A1 (en) 1972-04-06
FR1563019A (en) 1969-04-11
BE710344A (en) 1968-06-17

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