GB1364918A - Spectrally sensitized silver halide photographic emulsions - Google Patents

Spectrally sensitized silver halide photographic emulsions

Info

Publication number
GB1364918A
GB1364918A GB4451971A GB4451971A GB1364918A GB 1364918 A GB1364918 A GB 1364918A GB 4451971 A GB4451971 A GB 4451971A GB 4451971 A GB4451971 A GB 4451971A GB 1364918 A GB1364918 A GB 1364918A
Authority
GB
United Kingdom
Prior art keywords
silver halide
halide photographic
spectrally sensitized
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
GB4451971A
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of GB1364918A publication Critical patent/GB1364918A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB4451971A 1970-09-24 1971-09-23 Spectrally sensitized silver halide photographic emulsions Expired GB1364918A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45083656A JPS4842499B1 (en) 1970-09-24 1970-09-24

Publications (1)

Publication Number Publication Date
GB1364918A true GB1364918A (en) 1974-08-29

Family

ID=13808482

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4451971A Expired GB1364918A (en) 1970-09-24 1971-09-23 Spectrally sensitized silver halide photographic emulsions

Country Status (5)

Country Link
US (1) US3764340A (en)
JP (1) JPS4842499B1 (en)
DE (1) DE2147888C3 (en)
FR (1) FR2108527A5 (en)
GB (1) GB1364918A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179296A (en) * 1975-12-29 1979-12-18 Fuji Photo Film Co., Ltd. Silver halide photographic emulsion
US5354651A (en) * 1992-11-19 1994-10-11 Eastman Kodak Company Hydroxyarylacyl dye compounds and silver halide photographic elements containing such dyes
DE69327635T2 (en) * 1992-11-19 2000-08-10 Eastman Kodak Co., Rochester Dye compounds and photographic elements containing them
US5316904A (en) * 1992-11-19 1994-05-31 Eastman Kodak Company Amide substituted dye compounds and silver halide photographic elements containing such dyes

Also Published As

Publication number Publication date
DE2147888B2 (en) 1974-04-04
US3764340A (en) 1973-10-09
JPS4842499B1 (en) 1973-12-13
FR2108527A5 (en) 1972-05-19
DE2147888C3 (en) 1974-10-31
DE2147888A1 (en) 1972-04-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee