GB1228868A - - Google Patents

Info

Publication number
GB1228868A
GB1228868A GB1228868DA GB1228868A GB 1228868 A GB1228868 A GB 1228868A GB 1228868D A GB1228868D A GB 1228868DA GB 1228868 A GB1228868 A GB 1228868A
Authority
GB
United Kingdom
Prior art keywords
mole per
per cent
bromide
examples
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 GB1228868A publication Critical patent/GB1228868A/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
    • G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
    • G03C1/053—Polymers obtained by reactions involving only carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
    • 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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29—Development processes or agents therefor
    • G03C5/305—Additives other than developers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
GB1228868D 1967-08-18 1968-08-15 Expired GB1228868A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66153067A 1967-08-18 1967-08-18

Publications (1)

Publication Number Publication Date
GB1228868A true GB1228868A (enrdf_load_stackoverflow) 1971-04-21

Family

ID=24653987

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1228868D Expired GB1228868A (enrdf_load_stackoverflow) 1967-08-18 1968-08-15

Country Status (5)

Country Link
US (1) US3625689A (enrdf_load_stackoverflow)
BE (1) BE719512A (enrdf_load_stackoverflow)
DE (1) DE1797088A1 (enrdf_load_stackoverflow)
FR (1) FR1575382A (enrdf_load_stackoverflow)
GB (1) GB1228868A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1179519B (it) * 1984-12-17 1987-09-16 Minnesota Mining & Mfg Materiale fotosensibile agli alogenuri d'argento per l'ottenimento di immagini in bianco e nero a mezza tinta e metodo per la riproduzione a mezza tinta ad alto contrasto

Also Published As

Publication number Publication date
US3625689A (en) 1971-12-07
FR1575382A (enrdf_load_stackoverflow) 1969-07-18
BE719512A (enrdf_load_stackoverflow) 1969-01-16
DE1797088A1 (de) 1970-11-05

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Legal Events

Date Code Title Description
414F Notice of opposition given (sect. 14/1949)
414A Case decided by the comptroller ** specification amended (sect. 14/1949)
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee