GB1481363A - Silver halide photographic diffusion transfer products - Google Patents

Silver halide photographic diffusion transfer products

Info

Publication number
GB1481363A
GB1481363A GB3294874A GB3294874A GB1481363A GB 1481363 A GB1481363 A GB 1481363A GB 3294874 A GB3294874 A GB 3294874A GB 3294874 A GB3294874 A GB 3294874A GB 1481363 A GB1481363 A GB 1481363A
Authority
GB
United Kingdom
Prior art keywords
silver halide
layer
diffusion transfer
support
july
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
GB3294874A
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Publication of GB1481363A publication Critical patent/GB1481363A/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
    • G03C8/00Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/42Structural details
    • G03C8/44Integral units, i.e. the image-forming section not being separated from the image-receiving section
    • G03C8/48Integral units, i.e. the image-forming section not being separated from the image-receiving section characterised by substances used for masking the image-forming section

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Optical Filters (AREA)

Abstract

1481363 Photographic diffusion transfer silver halide material POLAROID CORP 25 July 1974 [27 July 1973] 32948/74 Addition to 1298082 Heading G2C A photographic material, suitable for use in a diffusion transfer process, comprises a photosensitive element comprising a support bearing at least one silver halide layer and in which there is, adjacent the surface furthest from the support of the silver halide layer or of the silver halide layer furthest from the support, a binder free, colourless layer of at least one optical filter agent precursor that is a pH sensitive dye that becomes coloured in alkaline processing composition and that is in non-crystalline solid form. The at least one silver halide layer is preferably associated with an image dye-providing substance. The material may be a permanent laminate containing an image-receiving layer and means providing a light-reflecting layer between the latter and silver halide layers. The processing composition may also contain an optical filter agent which is coloured at the pH of the composition and colourless at a lower pH.
GB3294874A 1973-07-27 1974-07-25 Silver halide photographic diffusion transfer products Expired GB1481363A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US38319073A 1973-07-27 1973-07-27

Publications (1)

Publication Number Publication Date
GB1481363A true GB1481363A (en) 1977-07-27

Family

ID=23512096

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3294874A Expired GB1481363A (en) 1973-07-27 1974-07-25 Silver halide photographic diffusion transfer products

Country Status (6)

Country Link
JP (1) JPS579049B2 (en)
CA (1) CA1040916A (en)
DE (1) DE2436181A1 (en)
FR (1) FR2238950B2 (en)
GB (1) GB1481363A (en)
NL (1) NL7410047A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647437A (en) * 1970-12-18 1972-03-07 Polaroid Corp Photographic products, processes and compositions

Also Published As

Publication number Publication date
NL7410047A (en) 1975-01-29
FR2238950B2 (en) 1981-06-19
JPS579049B2 (en) 1982-02-19
FR2238950A2 (en) 1975-02-21
DE2436181A1 (en) 1975-02-13
CA1040916A (en) 1978-10-24
JPS5045635A (en) 1975-04-23

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee