发明名称 Silver halide photographic emulsion containing predominantly silver bromide
摘要 A silver halide photographic emulsion comprising as major constituent silver bromide with improved gradation, density and sensitivity and decreased fog is disclosed. This emulsion contains at least one of the compounds represented by the general formula <IMAGE> (A) wherein Z represents an aromatic radical, or of the oxidized derivatives thereof, and at least one of the compounds represented by the general formula <IMAGE> (B) wherein A represents a hydroxyl group, an amino group, <IMAGE> R1 and R2 form a ring jointly with the carbon atom to which R1 and R2 are attached or one of R1 and R2 represents a hydrogen atom and the other represents a hydrogen atom, an alkyl group, an aryl group, or a hydroxyl group; n is 0 or an integer of 1 to 8, and M represents a hydrogen atom or an alkali metal.
申请公布号 US4863843(A) 申请公布日期 1989.09.05
申请号 US19850792021 申请日期 1985.10.28
申请人 MITSUBISHI PAPER MILLS, LTD. 发明人 OKUSHIMA, MASAO;IWAOSA, KATSUAKI;BABA, SUSUMU;HOUJO, TOKITSUGU
分类号 G03C1/10;G03C1/28;G03C1/34 主分类号 G03C1/10
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