GB1376020A - Sensitizing dyes and silver halide photographic emulsions spectrally sensitized therewith - Google Patents

Sensitizing dyes and silver halide photographic emulsions spectrally sensitized therewith

Info

Publication number
GB1376020A
GB1376020A GB726772A GB726772A GB1376020A GB 1376020 A GB1376020 A GB 1376020A GB 726772 A GB726772 A GB 726772A GB 726772 A GB726772 A GB 726772A GB 1376020 A GB1376020 A GB 1376020A
Authority
GB
United Kingdom
Prior art keywords
sensitizing dyes
silver halide
halide photographic
dyes
spectrally sensitized
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
GB726772A
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 GB1376020A publication Critical patent/GB1376020A/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
    • G03C1/14—Methine and polymethine dyes with an odd number of CH groups
    • G03C1/18—Methine and polymethine dyes with an odd number of CH groups with three CH groups
    • 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
    • C09B23/0008—Methine or polymethine dyes, e.g. cyanine dyes substituted on the polymethine chain
    • C09B23/005—Methine or polymethine dyes, e.g. cyanine dyes substituted on the polymethine chain the substituent being a COOH and/or a functional derivative thereof
    • C09B23/0058—Methine or polymethine dyes, e.g. cyanine dyes substituted on the polymethine chain the substituent being a COOH and/or a functional derivative thereof the substituent being CN

Abstract

1376020 Photographic sensitizing dyes FUJI PHOTO FILM CO Ltd 16 Feb 1972 [18 Feb 1971] 7267/72 Heading C4P Sensitizing dyes for silver halide emulsions are of formula (in which Z 1 and Z 2 each complete an optionally substituted benzene ring; R 1 and R 2 are each optionally substituted alkyl); the dye may be in the form of an internal salt. In specified dyes the ring completed by Z 1 is unsubstituted or is substituted by CF 3 , CH 3 SO 2 or one or two Cl; the ring completed by Z 2 is unsubstituted or substituted by Cl; R 1 is C 2 H 5 ; R 2 is C 2 H 5 , allyl, 3<SP>1</SP> - sulphopropyl, 3<SP>1</SP> - carboxypropyl or 3- sulphobutyl and may form an internal salt. The dyes are prepared by conventional condensation reaction.
GB726772A 1971-02-18 1972-02-16 Sensitizing dyes and silver halide photographic emulsions spectrally sensitized therewith Expired GB1376020A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP752571A JPS5434328B1 (en) 1971-02-18 1971-02-18

Publications (1)

Publication Number Publication Date
GB1376020A true GB1376020A (en) 1974-12-04

Family

ID=11668179

Family Applications (1)

Application Number Title Priority Date Filing Date
GB726772A Expired GB1376020A (en) 1971-02-18 1972-02-16 Sensitizing dyes and silver halide photographic emulsions spectrally sensitized therewith

Country Status (4)

Country Link
US (1) US3793034A (en)
JP (1) JPS5434328B1 (en)
DE (1) DE2207496A1 (en)
GB (1) GB1376020A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3533772A1 (en) * 1985-09-21 1987-04-09 Basf Ag METHINE DYES, METHOD FOR THE PRODUCTION AND USE THEREOF
US5294709A (en) * 1989-02-28 1994-03-15 Fuji Photo Film Co., Ltd. Methine compounds and methine dyes
KR20080050393A (en) * 2005-07-06 2008-06-05 트랙'엔 파인드 피티와이 리미티드 A system and method for locating one or more persons
EP3470466A1 (en) * 2017-10-13 2019-04-17 LANXESS Deutschland GmbH New methine dyes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2918369A (en) * 1956-06-15 1959-12-22 Gen Aniline & Film Corp Non-ionic benzimidazole cyanine dyes containing in alpha-position a cyano group on the methenyl chain
US3244526A (en) * 1962-02-23 1966-04-05 Gen Aniline & Film Corp Benzimidazole cyanine dyes containing in alpha-position a carboethoxy group on the methine chain
US3656957A (en) * 1970-04-03 1972-04-18 Eastman Kodak Co Photographic silver halide emulsions containing k-substituted carbocyanine dyes

Also Published As

Publication number Publication date
DE2207496A1 (en) 1972-08-24
JPS5434328B1 (en) 1979-10-26
US3793034A (en) 1974-02-19

Similar Documents

Publication Publication Date Title
GB1138762A (en) Photographic silver halide development
GB1293485A (en) Supersensitised light-sensitive silver halide photographic emulsions
GB1467214A (en) Silver halide photographic light-sensitive materials
JPS52110618A (en) Silver halide photographic emulsion
GB1344281A (en) Spectrally supersensitized silver halide photographic emulsions
GB1317138A (en) Spectrally sensitized silver halide photographic emulsions
GB1466836A (en) Silver halide photographic light-sensitive materials
GB1428606A (en) Heat-developable photogrpahic material
GB1249927A (en) Photographic material having a spectrally sensitised silver halide emulsion layer and an electron-bombarded support
GB1376020A (en) Sensitizing dyes and silver halide photographic emulsions spectrally sensitized therewith
GB1280016A (en) Silver halide photographic emulsions
GB1439638A (en) Photographic silver halide emulsions
GB1129119A (en) Improvements in dye-sensitized photographic emulsion
GB1399751A (en) Photobleachable dyes and photographic materials containing them
GB1413645A (en) Spectrally sensitized silver halide photographic emulsions
GB1300880A (en) Spectrally sensitized silver halide photographic emulsions
GB1447660A (en) Method of developing sensitized colour photographic silver halid material
GB1454644A (en) Sensitized direct-positive silver halide photographic emulsions
JPS55126234A (en) Spectrally sensitized silver halide photographic emulsion
GB1389381A (en) Cyanine dyes and spectrally sensitized silver halide photographic emulsions containing these dyes
GB1336948A (en) Colour photographic light-sensitive silver halide materials for dye-developer diffusion-transfer processes
GB1348313A (en) Photographic silver halide emulsions
GB1378517A (en) Spectral sensitization of direct-positive silver halide emulsions
GB1469871A (en) Spectrally sensitized silver halide photographic emulsions
GB1342149A (en) Sensitized silver halide phitographic emulsion

Legal Events

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