FR2290699A1 - Diffusion transfer colour photographic prod. - contg. acrylic acid and alkyl acrylate copolymer neutralising layer for developer - Google Patents

Diffusion transfer colour photographic prod. - contg. acrylic acid and alkyl acrylate copolymer neutralising layer for developer

Info

Publication number
FR2290699A1
FR2290699A1 FR7533741A FR7533741A FR2290699A1 FR 2290699 A1 FR2290699 A1 FR 2290699A1 FR 7533741 A FR7533741 A FR 7533741A FR 7533741 A FR7533741 A FR 7533741A FR 2290699 A1 FR2290699 A1 FR 2290699A1
Authority
FR
France
Prior art keywords
prod
acrylic acid
alkyl acrylate
developer
layer
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.)
Granted
Application number
FR7533741A
Other languages
French (fr)
Other versions
FR2290699B1 (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.)
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 FR2290699A1 publication Critical patent/FR2290699A1/en
Application granted granted Critical
Publication of FR2290699B1 publication Critical patent/FR2290699B1/fr
Granted 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
    • G03C8/42—Structural details
    • G03C8/52—Bases or auxiliary layers; Substances therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)

Abstract

A diffusion-transfer colour photographic prod. comprises (a) a support coated with an Ag halide emulsion associated with a colour image forming material, (b) a colour image receptor layer, (c) means for introducing an alkaline treatment compsn. into the prod. and (d) a neutralisation layer for neutralising the treatment compsn. after a pre-determined period. The prod. also contains an Ag halide developer and is characterised in that (d) comprises a copolymer of a lower alkyl acrylate and 50-95 pref. 60-75, wt.% acrylic acid. The copolymer does not have to be crosslinked to be insolubilised since it has inherent insolubility in water while bein permeable to basic solns. It can be applied as a soln. in org. solvents, simultaneously with the retarding layer to which it adheres well. It does not tend to creep or curd.
FR7533741A 1974-11-05 1975-11-05 Diffusion transfer colour photographic prod. - contg. acrylic acid and alkyl acrylate copolymer neutralising layer for developer Granted FR2290699A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52113074A 1974-11-05 1974-11-05

Publications (2)

Publication Number Publication Date
FR2290699A1 true FR2290699A1 (en) 1976-06-04
FR2290699B1 FR2290699B1 (en) 1978-05-12

Family

ID=24075486

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7533741A Granted FR2290699A1 (en) 1974-11-05 1975-11-05 Diffusion transfer colour photographic prod. - contg. acrylic acid and alkyl acrylate copolymer neutralising layer for developer

Country Status (1)

Country Link
FR (1) FR2290699A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2371713A1 (en) * 1976-11-18 1978-06-16 Agfa Gevaert Ag PHOTOGRAPHIC FILM FOR THE PRODUCTION OF COLOR TRANSFER IMAGES
EP0017025A1 (en) * 1979-03-24 1980-10-15 Agfa-Gevaert AG Photographic film unit for the production of coloured transfer images
US5026630A (en) * 1989-06-02 1991-06-25 Fuji Photo Film Co., Ltd. Self-processing photographic film unit with nonwoven cloth in trap

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2371713A1 (en) * 1976-11-18 1978-06-16 Agfa Gevaert Ag PHOTOGRAPHIC FILM FOR THE PRODUCTION OF COLOR TRANSFER IMAGES
EP0017025A1 (en) * 1979-03-24 1980-10-15 Agfa-Gevaert AG Photographic film unit for the production of coloured transfer images
US5026630A (en) * 1989-06-02 1991-06-25 Fuji Photo Film Co., Ltd. Self-processing photographic film unit with nonwoven cloth in trap

Also Published As

Publication number Publication date
FR2290699B1 (en) 1978-05-12

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Legal Events

Date Code Title Description
ST Notification of lapse