GB1353000A - Anti-halation layers for photographic silver halide materials - Google Patents

Anti-halation layers for photographic silver halide materials

Info

Publication number
GB1353000A
GB1353000A GB4979170A GB4979170A GB1353000A GB 1353000 A GB1353000 A GB 1353000A GB 4979170 A GB4979170 A GB 4979170A GB 4979170 A GB4979170 A GB 4979170A GB 1353000 A GB1353000 A GB 1353000A
Authority
GB
United Kingdom
Prior art keywords
acid
silver halide
styrene
alkali
photographic silver
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
GB4979170A
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.)
Agfa Gevaert NV
Agfa Gevaert AG
Original Assignee
Agfa Gevaert NV
Agfa Gevaert AG
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 Agfa Gevaert NV, Agfa Gevaert AG filed Critical Agfa Gevaert NV
Priority to GB4979170A priority Critical patent/GB1353000A/en
Priority to CA105,015A priority patent/CA966004A/en
Priority to BE762791A priority patent/BE762791A/en
Priority to IT86215/71A priority patent/IT943530B/en
Priority to FR7105114A priority patent/FR2078629A5/fr
Priority to US00115806A priority patent/US3726682A/en
Priority to SU711623387A priority patent/SU511878A3/en
Priority to BE773588A priority patent/BE773588A/en
Priority to FR7136556A priority patent/FR2111245A5/fr
Priority to DE19712150720 priority patent/DE2150720A1/en
Priority to CA125,039A priority patent/CA966351A/en
Priority to US00190647A priority patent/US3846134A/en
Publication of GB1353000A publication Critical patent/GB1353000A/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
    • G03C1/00—Photosensitive materials
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G03C1/835—Macromolecular substances therefor, e.g. mordants

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Laminated Bodies (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)

Abstract

1353000 Photographic silver halide materials AGFA-GEVAERT 12 Oct 1971 [20 Oct 1970] 49791/70 Heading G2C Photographic silver halide materials having a hydrophobic film support carry on the opposite side of the support to the emulsion layer an antihalation layer comprising a dye or pigment (e.g. carbon or silver) dispersed in a waterinsoluble, alkali-soluble polymer, and between the support and said antihalation layer an intermediate layer formed from a mixture of 1 to 3 parts by weight of a cellulose ester and 3 to 1 parts by weight of an alkali-soluble polymer. Cellulose esters specified are the di - and triacetate, and alkali-soluble polymers are sulphonated polystyrene, copolymers of styrene with maleic acid, acrylic acid or methacrylic acid, copolymers of vinyl acetate with maleic acid or crotonic acid and nitrated copoly (styrene/maleic acid). The antihalation layer binder may be a copolymer of acrylic acid with styrene or methyl acrylate or copoly (ethyl acrylate/methyl methacrylate/methacrylic acid).
GB4979170A 1970-02-17 1970-10-20 Anti-halation layers for photographic silver halide materials Expired GB1353000A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
GB4979170A GB1353000A (en) 1970-10-20 1970-10-20 Anti-halation layers for photographic silver halide materials
CA105,015A CA966004A (en) 1970-02-17 1971-02-10 Photographic materials
BE762791A BE762791A (en) 1970-02-17 1971-02-11 ANTI-HALO LAYER FOR PHOTOGRAPHIC MATERIALS
IT86215/71A IT943530B (en) 1970-02-17 1971-02-12 PHOTOGRAPHIC MATERIALS
FR7105114A FR2078629A5 (en) 1970-02-17 1971-02-15
US00115806A US3726682A (en) 1970-02-17 1971-02-16 Photographic materials with alkalisoluble antihalation layer
SU711623387A SU511878A3 (en) 1970-02-17 1971-02-17 Photographic material
BE773588A BE773588A (en) 1970-10-20 1971-10-07 PHOTOGRAPHIC MATERIAL
FR7136556A FR2111245A5 (en) 1970-10-20 1971-10-11
DE19712150720 DE2150720A1 (en) 1970-10-20 1971-10-12 Photographic materials with new antihalation layers
CA125,039A CA966351A (en) 1970-10-20 1971-10-13 Photographic materials
US00190647A US3846134A (en) 1970-10-20 1971-10-19 Photographic materials with removable antihalation layers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4979170A GB1353000A (en) 1970-10-20 1970-10-20 Anti-halation layers for photographic silver halide materials

Publications (1)

Publication Number Publication Date
GB1353000A true GB1353000A (en) 1974-05-15

Family

ID=10453544

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4979170A Expired GB1353000A (en) 1970-02-17 1970-10-20 Anti-halation layers for photographic silver halide materials

Country Status (6)

Country Link
US (1) US3846134A (en)
BE (1) BE773588A (en)
CA (1) CA966351A (en)
DE (1) DE2150720A1 (en)
FR (1) FR2111245A5 (en)
GB (1) GB1353000A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270147A (en) * 1991-07-12 1993-12-14 Agfa-Gevaert N.V. Stripping film material

Also Published As

Publication number Publication date
FR2111245A5 (en) 1972-06-02
CA966351A (en) 1975-04-22
BE773588A (en) 1972-04-07
DE2150720A1 (en) 1972-04-27
US3846134A (en) 1974-11-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees