JPS56149031A - Photographic silver halide emulsion - Google Patents

Photographic silver halide emulsion

Info

Publication number
JPS56149031A
JPS56149031A JP5369980A JP5369980A JPS56149031A JP S56149031 A JPS56149031 A JP S56149031A JP 5369980 A JP5369980 A JP 5369980A JP 5369980 A JP5369980 A JP 5369980A JP S56149031 A JPS56149031 A JP S56149031A
Authority
JP
Japan
Prior art keywords
halide emulsion
silver
silver halide
photographic silver
rhodium salt
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.)
Pending
Application number
JP5369980A
Other languages
Japanese (ja)
Inventor
Hideo Kanisawa
Tamio Kitahata
Hideo Horie
Kunio Jin
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP5369980A priority Critical patent/JPS56149031A/en
Publication of JPS56149031A publication Critical patent/JPS56149031A/en
Pending 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
    • G03C1/09—Noble metals or mercury; Salts or compounds thereof; Sulfur, selenium or tellurium, or compounds thereof, e.g. for chemical sensitising

Abstract

PURPOSE:To obtain a photographic silver halide emulsion with extra-low sensitivity by blending silver halides contg. >=90mol% silver chloride, also blending a water- soluble rhodium salt, and adding a compound represented by a specified general formula. CONSTITUTION:Silver halides contg. >=90mol% silver chloride are blended, a water-soluble rhodium salt is also blended, and a compound represented by formula I is added to prepare a photographic silver halide emulsion. The amount of the compound of formula I added is preferably 0.2-2g per one mole silver halides, and that of the rhodium salt 10<-3>-10<-5>mol per one mole silver halides.
JP5369980A 1980-04-22 1980-04-22 Photographic silver halide emulsion Pending JPS56149031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5369980A JPS56149031A (en) 1980-04-22 1980-04-22 Photographic silver halide emulsion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5369980A JPS56149031A (en) 1980-04-22 1980-04-22 Photographic silver halide emulsion

Publications (1)

Publication Number Publication Date
JPS56149031A true JPS56149031A (en) 1981-11-18

Family

ID=12950056

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5369980A Pending JPS56149031A (en) 1980-04-22 1980-04-22 Photographic silver halide emulsion

Country Status (1)

Country Link
JP (1) JPS56149031A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452882A (en) * 1982-04-30 1984-06-05 Fuji Photo Film Co., Ltd. Silver halide photographic materials and process of developing them
US4585733A (en) * 1983-05-18 1986-04-29 Konishiroku Photo Ind. Co., Ltd. Method of preparing silver halide photographic emulsion
JPH06194769A (en) * 1992-09-25 1994-07-15 E I Du Pont De Nemours & Co Photographic silver halide emulsion provided with improved bright-room tolerance

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452882A (en) * 1982-04-30 1984-06-05 Fuji Photo Film Co., Ltd. Silver halide photographic materials and process of developing them
US4585733A (en) * 1983-05-18 1986-04-29 Konishiroku Photo Ind. Co., Ltd. Method of preparing silver halide photographic emulsion
JPH06194769A (en) * 1992-09-25 1994-07-15 E I Du Pont De Nemours & Co Photographic silver halide emulsion provided with improved bright-room tolerance

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