BE719182A - - Google Patents

Info

Publication number
BE719182A
BE719182A BE719182DA BE719182A BE 719182 A BE719182 A BE 719182A BE 719182D A BE719182D A BE 719182DA BE 719182 A BE719182 A BE 719182A
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE719182A publication Critical patent/BE719182A/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
    • G03C1/485—Direct positive emulsions
    • G03C1/48515—Direct positive emulsions prefogged
    • G03C1/48523—Direct positive emulsions prefogged characterised by the desensitiser
    • G03C1/4853—Direct positive emulsions prefogged characterised by the desensitiser polymethine dyes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B55/00—Azomethine dyes
    • C09B55/002—Monoazomethine dyes
    • C09B55/003—Monoazomethine dyes with the -C=N- group attached to an heteroring
    • C09B55/004—Monoazomethine dyes with the -C=N- group attached to an heteroring with the -C=N- group between two heterorings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/141—Direct positive material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Indole Compounds (AREA)
BE719182D 1967-08-14 1968-08-07 BE719182A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66017367A 1967-08-14 1967-08-14

Publications (1)

Publication Number Publication Date
BE719182A true BE719182A (enrdf_load_stackoverflow) 1969-01-16

Family

ID=24648460

Family Applications (1)

Application Number Title Priority Date Filing Date
BE719182D BE719182A (enrdf_load_stackoverflow) 1967-08-14 1968-08-07

Country Status (4)

Country Link
US (1) US3558320A (enrdf_load_stackoverflow)
BE (1) BE719182A (enrdf_load_stackoverflow)
FR (1) FR1584136A (enrdf_load_stackoverflow)
GB (1) GB1232093A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081281A (en) * 1972-02-18 1978-03-28 Agfa-Gevaert N.V. Developing low fogged, direct-positive silver halide emulsion with an energetic developer free from halide ions
US3772030A (en) * 1972-02-29 1973-11-13 Eastman Kodak Co Direct-positive emulsion containing internally fogged, silver halide grains free of surface fog and a desensitizing compound

Also Published As

Publication number Publication date
GB1232093A (enrdf_load_stackoverflow) 1971-05-19
US3558320A (en) 1971-01-26
FR1584136A (enrdf_load_stackoverflow) 1969-12-12

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