NL275770A - - Google Patents

Info

Publication number
NL275770A
NL275770A NL275770DA NL275770A NL 275770 A NL275770 A NL 275770A NL 275770D A NL275770D A NL 275770DA NL 275770 A NL275770 A NL 275770A
Authority
NL
Netherlands
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 NL275770A publication Critical patent/NL275770A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains three hetero rings
    • C07D471/14—Ortho-condensed systems
    • 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

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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL275770D 1961-03-10 NL275770A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8928/61A GB940152A (en) 1961-03-10 1961-03-10 Direct positive photographic materials

Publications (1)

Publication Number Publication Date
NL275770A true NL275770A (zh)

Family

ID=9862028

Family Applications (2)

Application Number Title Priority Date Filing Date
NL275770D NL275770A (zh) 1961-03-10
NL120472D NL120472C (zh) 1961-03-10

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL120472D NL120472C (zh) 1961-03-10

Country Status (4)

Country Link
US (1) US3124458A (zh)
DE (1) DE1170779B (zh)
GB (1) GB940152A (zh)
NL (2) NL120472C (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3326687A (en) * 1964-11-10 1967-06-20 Eastman Kodak Co Photographic colloid transfer system
US3642477A (en) * 1969-04-24 1972-02-15 Keuffel & Esser Co Imaging method
US3628958A (en) * 1970-03-02 1971-12-21 Eastman Kodak Co Bipyridinium compound/nitrosubstituted n-heterocyclic compound desensitized silver halide emulsion
JPS5647544B2 (zh) * 1973-03-27 1981-11-10
US4036649A (en) * 1976-06-17 1977-07-19 E. I. Du Pont De Nemours And Company Silver halide emulsion sensitized with a fused diazepine
US4539291A (en) * 1982-12-24 1985-09-03 Fuji Photo Film Co., Ltd. Direct positive silver halide photographic materials
US6338940B1 (en) * 1998-06-26 2002-01-15 Konica Corporation Silver halide photographic light sensitive materials and image forming method by use thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL231639A (zh) * 1957-08-19
NL127363C (zh) * 1958-11-12

Also Published As

Publication number Publication date
GB940152A (en) 1963-10-23
NL120472C (zh)
DE1170779B (de) 1964-05-21
US3124458A (en) 1964-03-10

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