GB1108745A - Improved silver halide emulsions - Google Patents

Improved silver halide emulsions

Info

Publication number
GB1108745A
GB1108745A GB10387/65A GB1038765A GB1108745A GB 1108745 A GB1108745 A GB 1108745A GB 10387/65 A GB10387/65 A GB 10387/65A GB 1038765 A GB1038765 A GB 1038765A GB 1108745 A GB1108745 A GB 1108745A
Authority
GB
United Kingdom
Prior art keywords
silver halide
oxazole
thiazole
march
supersensitized
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
GB10387/65A
Inventor
Oskar Riester
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.)
Agfa Gevaert NV
Original Assignee
Agfa AG
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 Agfa AG filed Critical Agfa AG
Publication of GB1108745A publication Critical patent/GB1108745A/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
    • 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
    • G03C1/20—Methine and polymethine dyes with an odd number of CH groups with more than three CH groups

Abstract

1,108,745. Photographic supersensitized silver halide emulsions. AGFA A. G. March 11, 1965 [March 11, 1964J, No. 10387/65. Heading G2C. Silver halide emulsion layers containing penta, hepta- and nona-methine cyanines dyes are supersensitized with a heterocyclic mercapto compound, the heterocyclic ring being an oxazine, oxazone, oxazole, thiazole, thiadiazole, imidazole and tetrazole ring substituted by at least one electro-negative substituent. Specified electro-negative substituents are CF 3 sulpho, sulphone, sulphonamide, halogen, carboxy, and phenyl. Specified dyes have the methine chain attached to thiazole, benzthiazole, naphthothiazole, oxazole, benzoxazole, naphthoxazole, naphthonazine, selenazole, benzselenazole, naphthoselenazole, imadazole, benzimidazole, indolene, pyrrolidine, tetrazole, thiodiazole and quinoline rings which may be substituted by alkyl, aryl, cycloalkyl or the above heterocyclic groups. The emulsion may also comprise colour-couplers, sensitizers (noble metal, stannous and sulphur compounds, polyamines, polyethylene oxides) stabilizers (mercury compounds, triazoles and azaindenes) and hardening agents (formaldehyde mucobromic acid).
GB10387/65A 1964-03-11 1965-03-11 Improved silver halide emulsions Expired GB1108745A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1964A0045450 DE1447577B1 (en) 1964-03-11 1964-03-11 Stabilized supersensitization of halogen silver emulsions

Publications (1)

Publication Number Publication Date
GB1108745A true GB1108745A (en) 1968-04-03

Family

ID=6934732

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10387/65A Expired GB1108745A (en) 1964-03-11 1965-03-11 Improved silver halide emulsions

Country Status (6)

Country Link
US (1) US3457078A (en)
BE (1) BE660948A (en)
CH (1) CH453887A (en)
DE (1) DE1447577B1 (en)
FR (1) FR1426623A (en)
GB (1) GB1108745A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0271260A2 (en) * 1986-12-12 1988-06-15 Minnesota Mining And Manufacturing Company Supersensitization of silver halide emulsions
EP0317825A2 (en) * 1987-11-21 1989-05-31 Agfa-Gevaert AG Colour-photographic recording material
EP0366300A1 (en) * 1988-10-17 1990-05-02 Minnesota Mining And Manufacturing Company Red and infrared films containing either 5-thio-1,2,3,4-thiatriazoles and 5-oxy-1,2,3,4-thiatriazoles or 5-substituted-thio-1,2,3,4-thiatriazoles and 5-substituted-oxy-1,2,3,4-thiatriazoles

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923367B1 (en) * 1970-03-20 1974-06-15
US4097284A (en) * 1974-11-26 1978-06-27 Fuji Photo Film Co., Ltd. Method for supersensitizing silver halide photographic emulsions
JPS5444212B2 (en) * 1974-12-28 1979-12-25
JPS5851255B2 (en) * 1975-01-16 1983-11-15 富士写真フイルム株式会社 Bunkozo Kansareta Halogen Kaginsha Shinniyuzai
JPS531020A (en) * 1976-06-25 1978-01-07 Fuji Photo Film Co Ltd Thermodevelopable photosensitive material
US4060420A (en) * 1976-08-06 1977-11-29 Eastman Kodak Company Sulfonylacetate activator-stabilizer precursor
US4105451A (en) * 1976-12-22 1978-08-08 Eastman Kodak Company Photothermographic material, composition and process
JPS59191032A (en) * 1983-04-13 1984-10-30 Fuji Photo Film Co Ltd Silver halide photosensitive material
JPS6079348A (en) * 1983-10-06 1985-05-07 Fuji Photo Film Co Ltd Photosensitive silver halide material
US4603104A (en) * 1985-05-31 1986-07-29 Minnesota Mining And Manufacturing Company Supersensitization of silver halide emulsions
US4780404A (en) * 1987-06-09 1988-10-25 Minnesota Mining And Manufacturing Company Supersensitization of silver halide emulsion
US5192653A (en) * 1989-01-23 1993-03-09 Fuji Photo Film Co., Ltd. Method for spectrally sensitizing silver halide photographic emulsions
IT1237964B (en) * 1990-02-01 1993-06-19 Minnesota Mining & Mfg INFRARED SENSITIVE SILVER HALIDE PHOTOGRAPHIC ELEMENTS
DE69027316T2 (en) * 1990-07-10 1997-01-23 Agfa Gevaert Nv Photographic infrared sensitive material containing a sensitivity enhancing compound
JP3023726B2 (en) * 1991-04-16 2000-03-21 コニカ株式会社 Silver halide photographic material
CA2184271A1 (en) * 1994-02-28 1995-08-31 James R. Miller Sensitizers for photothermographic elements
EP0786692B1 (en) 1996-01-26 2004-11-17 Eastman Kodak Company Silver halide light sensitive emulsion layer having enhanced photographic sensitivity
US6010841A (en) * 1996-01-26 2000-01-04 Eastman Kodak Company Silver halide light sensitive emulsion layer having enhanced photographic sensitivity
US5747236A (en) 1996-01-26 1998-05-05 Eastman Kodak Company Silver halide light sensitive emulsion layer having enhanced photographic sensitivity
US5747235A (en) * 1996-01-26 1998-05-05 Eastman Kodak Company Silver halide light sensitive emulsion layer having enhanced photographic sensitivity
DE69821294T2 (en) 1997-07-25 2004-11-18 Eastman Kodak Co. Photosensitive silver halide emulsion layer with enhanced photographic sensitivity
DE69810853T2 (en) * 1997-07-25 2004-01-22 Eastman Kodak Co. Photosensitive silver halide emulsion layer with increased photographic sensitivity
US5994051A (en) * 1997-07-25 1999-11-30 Eastman Kodak Company Silver halide light sensitive emulsion layer having enhanced photographic sensitivity
US6514682B1 (en) 2001-06-20 2003-02-04 Eastman Kodak Company Speed addendum for photographic emulsions

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE395935A (en) * 1932-04-26
BE398585A (en) * 1932-09-14
BE435348A (en) * 1937-05-29
BE447040A (en) * 1941-09-05
US2734900A (en) * 1953-12-28 1956-02-14 Chxgh
BE554141A (en) * 1956-01-16
BE629343A (en) * 1962-03-08
US3266897A (en) * 1964-03-02 1966-08-16 Eastman Kodak Co Antifoggant agents for photography

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0271260A2 (en) * 1986-12-12 1988-06-15 Minnesota Mining And Manufacturing Company Supersensitization of silver halide emulsions
EP0271260A3 (en) * 1986-12-12 1990-07-11 Minnesota Mining And Manufacturing Company Supersensitization of silver halide emulsions
EP0317825A2 (en) * 1987-11-21 1989-05-31 Agfa-Gevaert AG Colour-photographic recording material
EP0317825A3 (en) * 1987-11-21 1990-05-16 Agfa-Gevaert Ag Colour-photographic recording material
EP0366300A1 (en) * 1988-10-17 1990-05-02 Minnesota Mining And Manufacturing Company Red and infrared films containing either 5-thio-1,2,3,4-thiatriazoles and 5-oxy-1,2,3,4-thiatriazoles or 5-substituted-thio-1,2,3,4-thiatriazoles and 5-substituted-oxy-1,2,3,4-thiatriazoles

Also Published As

Publication number Publication date
CH453887A (en) 1968-03-31
US3457078A (en) 1969-07-22
FR1426623A (en) 1966-01-28
BE660948A (en) 1965-09-13
DE1447577B1 (en) 1970-05-14

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