BE618139A - - Google Patents

Info

Publication number
BE618139A
BE618139A BE618139DA BE618139A BE 618139 A BE618139 A BE 618139A BE 618139D A BE618139D A BE 618139DA BE 618139 A BE618139 A BE 618139A
Authority
BE
Belgium
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.)
Publication of BE618139A publication Critical patent/BE618139A/xx

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
    • G03C1/10—Organic substances
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/65—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups
    • C07C45/66—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by splitting-off hydrogen atoms or functional groups; by hydrogenolysis of functional groups by dehydration
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/385—Saturated compounds containing a keto group being part of a ring
    • C07C49/487—Saturated compounds containing a keto group being part of a ring containing hydroxy groups
    • C07C49/497—Saturated compounds containing a keto group being part of a ring containing hydroxy groups a keto group being part of a six-membered ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/603—Unsaturated compounds containing a keto groups being part of a ring of a six-membered ring, e.g. quinone methides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE618139D 1961-05-29 BE618139A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US113065A US3165410A (en) 1961-05-29 1961-05-29 Photographic emulsions containing cyclic ketone sensitizers

Publications (1)

Publication Number Publication Date
BE618139A true BE618139A (OSRAM)

Family

ID=22347432

Family Applications (1)

Application Number Title Priority Date Filing Date
BE618139D BE618139A (OSRAM) 1961-05-29

Country Status (3)

Country Link
US (1) US3165410A (OSRAM)
BE (1) BE618139A (OSRAM)
GB (1) GB986205A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6024459B2 (ja) * 1980-07-17 1985-06-13 富士写真フイルム株式会社 ハロゲン化銀写真感光材料

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE470280A (OSRAM) * 1944-10-26
US2887479A (en) * 1955-11-15 1959-05-19 Eastman Kodak Co Heterocyclic quaternary salts containing a cyclohexenylidenemethyl substituent
BE557659A (OSRAM) * 1956-05-21

Also Published As

Publication number Publication date
GB986205A (en) 1965-03-17
US3165410A (en) 1965-01-12

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