GB1138343A - Sensitized silver halide photographic emulsions - Google Patents

Sensitized silver halide photographic emulsions

Info

Publication number
GB1138343A
GB1138343A GB48153/65A GB4815365A GB1138343A GB 1138343 A GB1138343 A GB 1138343A GB 48153/65 A GB48153/65 A GB 48153/65A GB 4815365 A GB4815365 A GB 4815365A GB 1138343 A GB1138343 A GB 1138343A
Authority
GB
United Kingdom
Prior art keywords
alkyl
silver halide
halide photographic
photographic emulsions
sensitized silver
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
GB48153/65A
Inventor
Mario Gandino
Oreste Turilli
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.)
Ferrania SpA
Original Assignee
Ferrania SpA
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 by Ferrania SpA filed Critical Ferrania SpA
Publication of GB1138343A publication Critical patent/GB1138343A/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
    • G03C1/06—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
    • G03C1/12—Methine and polymethine dyes
    • 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
    • G03C1/12—Methine and polymethine dyes
    • G03C1/14—Methine and polymethine dyes with an odd number of CH groups

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1,138,343. Merocyanine dyes. FERRANIA S.p.A. 12 Nov., 1965 [25 Jan., 1965], No. 48153/65. Heading C4P. [Also in Division G2] The invention relates to dyes of the formula wherein R and R<SP>1</SP> are each chlorine or one is hydrogen and the other acyl or one is hydrogen and the other is aryl, R<SP>11</SP> is alkyl, acetoxy alkyl or N,N-dimethyl-amino alkyl, R<SP>111</SP> is alkyl, N,N-diethyl carbamoyl, methyl or aralkyl and R<SP>1111</SP> is alkyl.
GB48153/65A 1965-01-25 1965-11-12 Sensitized silver halide photographic emulsions Expired GB1138343A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT139365 1965-01-25
IT1232965 1965-01-25

Publications (1)

Publication Number Publication Date
GB1138343A true GB1138343A (en) 1969-01-01

Family

ID=26325110

Family Applications (1)

Application Number Title Priority Date Filing Date
GB48153/65A Expired GB1138343A (en) 1965-01-25 1965-11-12 Sensitized silver halide photographic emulsions

Country Status (2)

Country Link
BE (1) BE674168A (en)
GB (1) GB1138343A (en)

Also Published As

Publication number Publication date
BE674168A (en)

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