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GB1223298A - Photographic supersensitising combination - Google Patents

Photographic supersensitising combination

Info

Publication number
GB1223298A
GB1223298A GB3170968A GB3170968A GB1223298A GB 1223298 A GB1223298 A GB 1223298A GB 3170968 A GB3170968 A GB 3170968A GB 3170968 A GB3170968 A GB 3170968A GB 1223298 A GB1223298 A GB 1223298A
Authority
GB
United Kingdom
Prior art keywords
alkyl
photographic
formula
supersensitising
combination
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
GB3170968A
Inventor
Geoffrey Ernest Ficken
Elaine Josephine Squire
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
Application filed by Ilford Ltd filed Critical Ilford Ltd
Priority to GB3170968A priority Critical patent/GB1223298A/en
Publication of GB1223298A publication Critical patent/GB1223298A/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
    • G03C1/28—Sensitivity-increasing substances together with supersensitising substances
    • G03C1/29—Sensitivity-increasing substances together with supersensitising substances the supersensitising mixture being solely composed of dyes ; Combination of dyes, even if the supersensitising effect is not explicitly disclosed
    • 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
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/04—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups one >CH- group, e.g. cyanines, isocyanines, pseudocyanines
    • 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
    • C09B23/00—Methine or polymethine dyes, e.g. cyanine dyes
    • C09B23/02—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups
    • C09B23/06—Methine or polymethine dyes, e.g. cyanine dyes the polymethine chain containing an odd number of >CH- or >C[alkyl]- groups three >CH- groups, e.g. carbocyanines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

1,223,298. Photographic supersensitized silver halide emulsions. ILFORD Ltd. Sept. 16, 1969 [July 3, 1968], No.31709/68. Heading G2C. A photographic silver halide emulsion is supersensitized with a dye of the formula: - where R 1 is alkyl of 1-4C or sulphoalkyl; R 2 is alkyl of 1-4C or alkoxy; R 3 is H or alkyl of 1-4C; R 5 is -SO 3 H or -COOH, Y is S or Se; Z is straight or branched alkylene of 1 -6C and X is an anion, or the corresponding zwitterion formed by eliminating HX, together with a dye of the formula:- where R 4 is alkyl of 1-4C, Z is straight or branched alkylene of 1-6C and M is a cation or a hydrogen ion. A styryl base may also be present of the formula:- where A completes a thiazole ring and R 11 and R 12 are each alkyl of 1-4C. The dyes sensitize to green.
GB3170968A 1968-07-03 1968-07-03 Photographic supersensitising combination Expired GB1223298A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3170968A GB1223298A (en) 1968-07-03 1968-07-03 Photographic supersensitising combination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3170968A GB1223298A (en) 1968-07-03 1968-07-03 Photographic supersensitising combination

Publications (1)

Publication Number Publication Date
GB1223298A true GB1223298A (en) 1971-02-24

Family

ID=10327235

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3170968A Expired GB1223298A (en) 1968-07-03 1968-07-03 Photographic supersensitising combination

Country Status (1)

Country Link
GB (1) GB1223298A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5393654A (en) * 1993-03-16 1995-02-28 Minnesota Mining And Manufacturing Company Photothermographic imaging materials and sensitisers therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5393654A (en) * 1993-03-16 1995-02-28 Minnesota Mining And Manufacturing Company Photothermographic imaging materials and sensitisers therefor

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