GB1295464A - - Google Patents

Info

Publication number
GB1295464A
GB1295464A GB1295464DA GB1295464A GB 1295464 A GB1295464 A GB 1295464A GB 1295464D A GB1295464D A GB 1295464DA GB 1295464 A GB1295464 A GB 1295464A
Authority
GB
United Kingdom
Prior art keywords
germanium
treated
iodide
march
silver halide
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
Other languages
English (en)
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 GB1295464A publication Critical patent/GB1295464A/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

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)
GB1295464D 1969-03-12 1969-03-12 Expired GB1295464A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1305769 1969-03-12

Publications (1)

Publication Number Publication Date
GB1295464A true GB1295464A (de) 1972-11-08

Family

ID=10016018

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1295464D Expired GB1295464A (de) 1969-03-12 1969-03-12

Country Status (2)

Country Link
FR (1) FR2022078A1 (de)
GB (1) GB1295464A (de)

Also Published As

Publication number Publication date
FR2022078A1 (de) 1970-07-31

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Legal Events

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