GB1276894A - Process for the preparation of a light-sensitive silver halide photographic material - Google Patents

Process for the preparation of a light-sensitive silver halide photographic material

Info

Publication number
GB1276894A
GB1276894A GB3624969A GB3624969A GB1276894A GB 1276894 A GB1276894 A GB 1276894A GB 3624969 A GB3624969 A GB 3624969A GB 3624969 A GB3624969 A GB 3624969A GB 1276894 A GB1276894 A GB 1276894A
Authority
GB
United Kingdom
Prior art keywords
silver halide
emulsion
sensitive silver
silicic acid
light
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
GB3624969A
Inventor
Rudolf Meyer
Wilhelm Saleck Harald Rintelen
Maria Scheibitz Werner Krafft
Reinhart Matejec
Christa Meyer
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 AG
Original Assignee
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 AG filed Critical Agfa Gevaert AG
Publication of GB1276894A publication Critical patent/GB1276894A/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
    • G03C1/95—Photosensitive materials characterised by the base or auxiliary layers rendered opaque or writable, e.g. with inert particulate additives
    • 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
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
    • 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
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives

Abstract

1276894 Photographic light-sensitive silver halide materials AGFA-GEVAERT A G 18 July 1969 [19 July 1968 12 Aug 1968] 36249/69 Heading G2C A photographic light-sensitive silver halide emulsion is made by precipitating silver halide in the presence of a hydrophilic organic binder such as gelatine, solidification or flocculation of the emulsion and washing, and before chemical ripening, adding to the emulsion a colloidal silicic acid sol so that the finished emulsion comprises at least 50% by weight of silicic acid based on the total binder employed. On coating the emulsion and drying, the emulsion layer is stated to comprise a substantially continuous porous silicic acid structure as matrix containing in the pores or cells of the matrix the silver halide and organic binder.
GB3624969A 1968-07-19 1969-07-18 Process for the preparation of a light-sensitive silver halide photographic material Expired GB1276894A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681772904 DE1772904C3 (en) 1968-07-19 1968-07-19 Process for preparing a photosensitive silver halide emulsion

Publications (1)

Publication Number Publication Date
GB1276894A true GB1276894A (en) 1972-06-07

Family

ID=5701452

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3624969A Expired GB1276894A (en) 1968-07-19 1969-07-18 Process for the preparation of a light-sensitive silver halide photographic material

Country Status (5)

Country Link
BE (1) BE735622A (en)
CH (1) CH530026A (en)
DE (1) DE1772904C3 (en)
FR (1) FR2013285A1 (en)
GB (1) GB1276894A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001022A (en) 1975-08-13 1977-01-04 Minnesota Mining And Manufacturing Company Photographic materials comprising developer layers and binders comprising silica sol
EP0831362A1 (en) * 1996-09-18 1998-03-25 Agfa-Gevaert N.V. Silver halide light-sensitive material with colloidal silica as protective colloid coated from layers without or with minimum amounts of gelatin as a binder material

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69129148T2 (en) * 1991-06-11 1998-10-08 Agfa Gevaert Nv Process for the preparation of light-sensitive silver halide emulsions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001022A (en) 1975-08-13 1977-01-04 Minnesota Mining And Manufacturing Company Photographic materials comprising developer layers and binders comprising silica sol
EP0831362A1 (en) * 1996-09-18 1998-03-25 Agfa-Gevaert N.V. Silver halide light-sensitive material with colloidal silica as protective colloid coated from layers without or with minimum amounts of gelatin as a binder material

Also Published As

Publication number Publication date
DE1772904B2 (en) 1979-10-31
DE1772904A1 (en) 1971-06-16
BE735622A (en) 1970-01-05
FR2013285A1 (en) 1970-03-27
DE1772904C3 (en) 1980-07-24
CH530026A (en) 1972-10-31

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PLNP Patent lapsed through nonpayment of renewal fees