GB1297115A - - Google Patents

Info

Publication number
GB1297115A
GB1297115A GB1297115DA GB1297115A GB 1297115 A GB1297115 A GB 1297115A GB 1297115D A GB1297115D A GB 1297115DA GB 1297115 A GB1297115 A GB 1297115A
Authority
GB
Grant status
Application
Patent type
Prior art keywords
layer
sp
gt
lt
gelatine
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
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

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; 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

Abstract

1297115 Photographic diffusion transfer material AGFA-GEVAERT 28 Nov 1969 [6 Dec 1968] 58152/68 Heading G2C Photographic material for the silver salt diffusion transfer process comprises, in order, (1) a flexible transparent support sheet, (2) an image-receiving layer comprising development nuclei, (3) a layer containing 7-25 g.m<SP>-2</SP> of opaque pigment and 0À5-4g-m<SP>-2</SP> of hydrophilic colloid binder, and (4) a silver halide emulsion layer having D max of up to 0À8. Layer (3) prevents the negative formed in layer (4) being seen when viewing the positive image formed in (2) through (1); it preferably contains BaSO 4 and/or TiO 2 in a binder consisting of gelatine, HCHO and a hydrophilic colloid which is a latent hardener (especially a propylene glycol ester of alginic acid). The low D max in layer (4) may be achieved using an emulsion containing a small amount of silver halide, large silver grains, or pigment which partially obscures the image formed therein. Layers (2) and (4) may also contain one or more developing agents (e.g. hydroquinone and 1-phenyl- 3-pyrazolidone). The back of (1) may be coated with a matting layer, especially of gelatine and silica.
GB1297115A 1968-12-06 1968-12-06 Expired GB1297115A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5815268 1968-12-06

Publications (1)

Publication Number Publication Date
GB1297115A true true GB1297115A (en) 1972-11-22

Family

ID=10480884

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1297115A Expired GB1297115A (en) 1968-12-06 1968-12-06

Country Status (5)

Country Link
US (1) US3740220A (en)
BE (1) BE742284A (en)
DE (1) DE1961030C3 (en)
FR (1) FR2025524A1 (en)
GB (1) GB1297115A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329409A (en) * 1980-08-04 1982-05-11 Hughes Aircraft Company Process for fabricating stable holograms
US4330604A (en) * 1980-08-04 1982-05-18 Hughes Aircraft Company Fabrication of holograms on plastic substrates

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904292A (en) * 1973-02-09 1975-09-09 Inst Graphic Communication Inc Apparatus for single sheet photographic reproduction
JPS6335014B2 (en) * 1980-03-26 1988-07-13 Mitsubishi Paper Mills Ltd
JPS6360377B2 (en) * 1982-07-27 1988-11-24
US4489152A (en) * 1984-02-29 1984-12-18 Polaroid Corporation Photographic product for silver transfer images with polyvinylpyrrolidone in carbon black layer
JPS62271868A (en) * 1986-05-20 1987-11-26 Platinum Pen Co Ltd Article container
JPH0632394Y2 (en) * 1989-12-06 1994-08-24 株式会社壽 Writing materials
DE69508730T2 (en) * 1994-12-28 1999-10-21 Agfa Gevaert Nv Picture element and method for making lithographic printing plates by the silver salt diffusion transfer process
DE10002258A1 (en) * 2000-01-20 2001-08-02 Schneider Gmbh & Co Produktion Pen with protective cap or table stand; has cap with sliding sleeve that forms clamping jaws and forms part of switch mechanism, where sleeve can be moved between inner and outer positions

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE545678A (en) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329409A (en) * 1980-08-04 1982-05-11 Hughes Aircraft Company Process for fabricating stable holograms
US4330604A (en) * 1980-08-04 1982-05-18 Hughes Aircraft Company Fabrication of holograms on plastic substrates

Also Published As

Publication number Publication date Type
FR2025524A1 (en) 1970-09-11 application
DE1961030B2 (en) 1980-07-03 application
DE1961030C3 (en) 1981-08-06 grant
DE1961030A1 (en) 1970-06-25 application
US3740220A (en) 1973-06-19 grant
BE742284A (en) 1970-05-27 grant

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Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee