CA1020795A - Blocked development restrainers - Google Patents

Blocked development restrainers

Info

Publication number
CA1020795A
CA1020795A CA199,953A CA199953A CA1020795A CA 1020795 A CA1020795 A CA 1020795A CA 199953 A CA199953 A CA 199953A CA 1020795 A CA1020795 A CA 1020795A
Authority
CA
Canada
Prior art keywords
development restrainers
blocked development
blocked
restrainers
development
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
CA199,953A
Other languages
English (en)
French (fr)
Inventor
Howell A. Hammond
Wilbert J. Humphlett
Ilmari F. Salminen
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
Application granted granted Critical
Publication of CA1020795A publication Critical patent/CA1020795A/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
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/02—Photosensitive materials characterised by the image-forming section
    • 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
    • G03C7/392—Additives
    • G03C7/39208—Organic compounds
    • G03C7/3924—Heterocyclic
    • 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
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/02—Photosensitive materials characterised by the image-forming section
    • G03C8/08—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds
    • G03C8/10—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds of dyes or their precursors
    • G03C8/12—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds of dyes or their precursors characterised by the releasing mechanism
    • G03C8/14—Oxidation of the chromogenic substances
    • G03C8/16—Oxidation of the chromogenic substances initially diffusible in alkaline environment

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
CA199,953A 1973-06-05 1974-05-15 Blocked development restrainers Expired CA1020795A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36730673A 1973-06-05 1973-06-05

Publications (1)

Publication Number Publication Date
CA1020795A true CA1020795A (en) 1977-11-15

Family

ID=23446638

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199,953A Expired CA1020795A (en) 1973-06-05 1974-05-15 Blocked development restrainers

Country Status (6)

Country Link
JP (1) JPS5534927B2 (enrdf_load_stackoverflow)
BE (1) BE815955A (enrdf_load_stackoverflow)
CA (1) CA1020795A (enrdf_load_stackoverflow)
DE (1) DE2427183C3 (enrdf_load_stackoverflow)
FR (1) FR2232772B1 (enrdf_load_stackoverflow)
GB (1) GB1474132A (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2709688A1 (de) * 1977-03-05 1978-09-07 Agfa Gevaert Ag Lichtempfindliches farbphotographisches material
JPS5933901B2 (ja) * 1978-04-03 1984-08-18 富士写真フイルム株式会社 写真要素
US4201587A (en) * 1978-09-15 1980-05-06 Polaroid Corporation Graft copolymers as diffusion control layers in photographic diffusion transfer products
JPS55121438A (en) * 1979-03-14 1980-09-18 Polaroid Corp Diffusion transfer photographic film unit
DE3014672A1 (de) * 1979-04-17 1980-11-06 Konishiroku Photo Ind Stickstoffhaltige heterocyclische verbindungen und diese enthaltende photographische aufzeichnungsmaterialien
US4593108A (en) * 1981-01-05 1986-06-03 Polaroid Corporation 1-phenyl-5-mercapto tetrazoles
US4390613A (en) 1981-01-05 1983-06-28 Polaroid Corporation Diffusion transfer photographic system utilizing substituted phenylmercaptoazoles
DE3173480D1 (en) 1981-01-05 1986-02-20 Polaroid Corp Photographic products, diffusion transfer photographic process, and compounds used therefor
JPS59105641A (ja) * 1982-12-10 1984-06-19 Fuji Photo Film Co Ltd 写真要素
US4609610A (en) * 1985-08-01 1986-09-02 Eastman Kodak Company Photographic products employing novel nondiffusible compounds which release photographically useful groups
US4946964A (en) * 1986-03-31 1990-08-07 Polaroid Corporation Photographic compounds

Also Published As

Publication number Publication date
DE2427183C3 (de) 1980-09-18
JPS5534927B2 (enrdf_load_stackoverflow) 1980-09-10
AU6974574A (en) 1975-12-04
DE2427183B2 (de) 1980-01-17
BE815955A (fr) 1974-12-05
FR2232772B1 (enrdf_load_stackoverflow) 1982-05-14
JPS5028823A (enrdf_load_stackoverflow) 1975-03-24
DE2427183A1 (de) 1974-12-12
GB1474132A (en) 1977-05-18
FR2232772A1 (enrdf_load_stackoverflow) 1975-01-03

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