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GB1295463A - - Google Patents

Info

Publication number
GB1295463A
GB1295463A GB1295463DA GB1295463A GB 1295463 A GB1295463 A GB 1295463A GB 1295463D A GB1295463D A GB 1295463DA GB 1295463 A GB1295463 A GB 1295463A
Authority
GB
United Kingdom
Prior art keywords
treated
march
silver halide
arsenic
phosphorus
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
Application filed filed Critical
Publication of GB1295463A publication Critical patent/GB1295463A/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
    • G03C1/005—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
    • G03C1/08—Sensitivity-increasing 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
    • G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
    • G03C1/047—Proteins, e.g. gelatine derivatives; Hydrolysis or extraction products of proteins

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Abstract

1295463 Silver halide emulsions KODAK Ltd 12 March 1970 [12 March 1969] 13055/69 Heading G2C A silver halide emulsion is treated with white phosphorus, white arsenic or gelatine which has been previously treated with phosphine, arsine or stibine. A sulphur sensitizer may also be added. The treated emulsion may be digested at 50-60‹C. The phosphorus or arsenic may be applied in alcoholic solution.
GB1295463D 1969-03-12 1969-03-12 Expired GB1295463A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1305669 1969-03-12

Publications (1)

Publication Number Publication Date
GB1295463A true GB1295463A (en) 1972-11-08

Family

ID=10015996

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295463D Expired GB1295463A (en) 1969-03-12 1969-03-12

Country Status (2)

Country Link
FR (1) FR2037940A5 (en)
GB (1) GB1295463A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904415A (en) * 1974-07-29 1975-09-09 Eastman Kodak Co Phosphine sensitized photographic silver halide emulsions and elements
US4092171A (en) * 1976-02-20 1978-05-30 E. I. Du Pont De Nemours And Company Organophosphine chelates of platinum and palladium as sensitizers
US5415992A (en) * 1993-11-30 1995-05-16 Eastman Kodak Company Heat stabilized silver chloride photographic emulsions containing phosphine compounds

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904415A (en) * 1974-07-29 1975-09-09 Eastman Kodak Co Phosphine sensitized photographic silver halide emulsions and elements
US4092171A (en) * 1976-02-20 1978-05-30 E. I. Du Pont De Nemours And Company Organophosphine chelates of platinum and palladium as sensitizers
US5415992A (en) * 1993-11-30 1995-05-16 Eastman Kodak Company Heat stabilized silver chloride photographic emulsions containing phosphine compounds

Also Published As

Publication number Publication date
FR2037940A5 (en) 1970-12-31

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Legal Events

Date Code Title Description
PLNP Patent lapsed through nonpayment of renewal fees