GB1404511A - Supersensitized silver halide photographic emulsions - Google Patents

Supersensitized silver halide photographic emulsions

Info

Publication number
GB1404511A
GB1404511A GB138273A GB138273A GB1404511A GB 1404511 A GB1404511 A GB 1404511A GB 138273 A GB138273 A GB 138273A GB 138273 A GB138273 A GB 138273A GB 1404511 A GB1404511 A GB 1404511A
Authority
GB
United Kingdom
Prior art keywords
silver halide
alkyl
dye
alkoxycarbonylamino
alkoxycarbonyl
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
GB138273A
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 GB1404511A publication Critical patent/GB1404511A/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

Abstract

1404511 Supersensitized photographic silver halide emulsions FUJI PHOTO FILM CO Ltd 10 Jan 1973 [14 Jan 1972] 1382/73 Heading G2C A photographic silver halide emulsion contains at least one dye of the Formula:- in supersensitizing combination with at least one dye of the Formula: - wherein A<SP>1</SP> and A<SP>2</SP> are each H, halogen, OH, alkoxy, amino which may be alkyl substituted, acylamino, acyloxyl, alkoxycarbonylamino, CN, CF 3 , alkoxycarbonyl, alkylsulphonyl, sulphamyl, alkylaminosulphonyl, morpholinosulphonyl, morpholinocarbonyl, piperidinosulphonyl, carbamoyl or alkylcarbamoyl; A<SP>3</SP> and A<SP>4</SP> together complete a benzene ring; B<SP>1</SP>, B<SP>2</SP>, B<SP>3</SP> and B<SP>4</SP> are each H, 1-4<SP>c</SP> alkyl, halogen, alkoxy, OH, phenyl, COOH, alkoxycarbonyl, CN, CF 3 , amino, acyl, acyloxy or alkoxycarbonylamino; R, R<SP>1</SP>, R<SP>2</SP>, R<SP>3</SP> and R<SP>4</SP> are each optionally substituted alkyl with at least one of R<SP>1</SP> and R<SP>2</SP> being sulphoalkyl or carboxyalkyl; R<SP>5</SP> is H, alkyl or aryl; X<SP>#</SP> and Y<SP>#</SP> are each an anion; and m and n are each 0 or 1, the dye(s) forming an intramolecular salt with m and/or n are o. The emulsion may contain a water-soluble iodide or bromide or a colour coupler (see Example).
GB138273A 1972-01-14 1973-01-10 Supersensitized silver halide photographic emulsions Expired GB1404511A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP631572A JPS5627864B2 (en) 1972-01-14 1972-01-14

Publications (1)

Publication Number Publication Date
GB1404511A true GB1404511A (en) 1975-08-28

Family

ID=11634925

Family Applications (1)

Application Number Title Priority Date Filing Date
GB138273A Expired GB1404511A (en) 1972-01-14 1973-01-10 Supersensitized silver halide photographic emulsions

Country Status (4)

Country Link
US (1) US3854955A (en)
JP (1) JPS5627864B2 (en)
DE (1) DE2301272A1 (en)
GB (1) GB1404511A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4172730A (en) * 1975-03-18 1979-10-30 Fuji Photo Film Co., Ltd. Radiographic silver halide sensitive materials
US4026707A (en) * 1975-08-15 1977-05-31 Konishiroku Photo Industry Co., Ltd. Silver halide photographic emulsion sensitized with a mixture of oxacarbocyanine dyes
JPS5850324B2 (en) * 1980-06-30 1983-11-10 富士写真フイルム株式会社 silver halide photographic emulsion
JPS60128432A (en) * 1983-12-15 1985-07-09 Fuji Photo Film Co Ltd Photosensitive silver halide material
JPH086198A (en) * 1994-06-17 1996-01-12 Konica Corp Silver halide photographic sensitive material
US6794105B2 (en) * 2002-11-19 2004-09-21 Eastman Kodak Company Radiographic silver halide film for mammography with reduced dye stain
JP2007041376A (en) 2005-08-04 2007-02-15 Fujifilm Holdings Corp Silver halide photosensitive material and package including the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3397060A (en) * 1964-10-19 1968-08-13 Eastman Kodak Co Supersensitization of green-sensitive silver halide emulsions
US3580724A (en) * 1968-06-04 1971-05-25 Konishiroku Photo Ind Light-sensitive supersensitized silver halide color photographic emulsions
US3663210A (en) * 1969-04-19 1972-05-16 Konishiroku Photo Ind Light-sensitive silver halide supersensitized photographic material

Also Published As

Publication number Publication date
US3854955A (en) 1974-12-17
JPS4876525A (en) 1973-10-15
DE2301272A1 (en) 1973-07-19
JPS5627864B2 (en) 1981-06-27

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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