GB907367A - Direct positive emulsions - Google Patents

Direct positive emulsions

Info

Publication number
GB907367A
GB907367A GB23186/60A GB2318660A GB907367A GB 907367 A GB907367 A GB 907367A GB 23186/60 A GB23186/60 A GB 23186/60A GB 2318660 A GB2318660 A GB 2318660A GB 907367 A GB907367 A GB 907367A
Authority
GB
United Kingdom
Prior art keywords
direct positive
positive emulsions
benzimidazole
prepared
emulsions
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
GB23186/60A
Other languages
English (en)
Inventor
George Frank Duffin
Douglas James Fry
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford Ltd
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
Priority to NL266572D priority Critical patent/NL266572A/xx
Priority to NL122932D priority patent/NL122932C/xx
Application filed by Ilford Ltd filed Critical Ilford Ltd
Priority to GB23186/60A priority patent/GB907367A/en
Priority to ES0268533A priority patent/ES268533A1/es
Priority to FR866637A priority patent/FR1293915A/fr
Priority to DEJ20159A priority patent/DE1129369B/de
Publication of GB907367A publication Critical patent/GB907367A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
    • C07D235/08—Radicals containing only hydrogen and carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/18—Benzimidazoles; Hydrogenated benzimidazoles with aryl radicals directly attached in position 2
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/24—Benzimidazoles; Hydrogenated benzimidazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
    • C07D235/26—Oxygen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
    • C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
    • C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
    • C07D235/24—Benzimidazoles; Hydrogenated benzimidazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
    • C07D235/28—Sulfur atoms
    • 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
    • G03C1/485—Direct positive emulsions
    • G03C1/48515—Direct positive emulsions prefogged
    • G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
GB23186/60A 1960-07-01 1960-07-01 Direct positive emulsions Expired GB907367A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL266572D NL266572A (es) 1960-07-01
NL122932D NL122932C (es) 1960-07-01
GB23186/60A GB907367A (en) 1960-07-01 1960-07-01 Direct positive emulsions
ES0268533A ES268533A1 (es) 1960-07-01 1961-06-22 Procedimiento de obtenciën de emulsiones fotograficas de haluro de plata
FR866637A FR1293915A (fr) 1960-07-01 1961-06-30 Préparation d'émulsions photographiques
DEJ20159A DE1129369B (de) 1960-07-01 1961-06-30 Photographische Halogensilberdirekt-positivemulsion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23186/60A GB907367A (en) 1960-07-01 1960-07-01 Direct positive emulsions

Publications (1)

Publication Number Publication Date
GB907367A true GB907367A (en) 1962-10-03

Family

ID=10191544

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23186/60A Expired GB907367A (en) 1960-07-01 1960-07-01 Direct positive emulsions

Country Status (4)

Country Link
DE (1) DE1129369B (es)
ES (1) ES268533A1 (es)
GB (1) GB907367A (es)
NL (2) NL122932C (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140951A (en) * 1963-06-10 1964-07-14 Eastman Kodak Co Desensitizing dyes and photographic processes and materials

Also Published As

Publication number Publication date
ES268533A1 (es) 1961-12-01
NL122932C (es)
NL266572A (es)
DE1129369B (de) 1962-05-10

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