发明名称 Silver halide photographic material containing a tellurium compound
摘要 A silver halide photographic material comprises a silver halide emulsion layer provided on a support. In the photographic material of the present invention, the silver halide emulsion layer contains a tellurium compound represented by the formula (I) or (II): <IMAGE> in which each of R11 and R12 is -OR13, -NR14R15, -SR16 or hydrogen; R11 and R12 may be combined with each other to form a heterocyclic ring; each of R21 and R22 is an alkyl, alkenyl, alkynyl, aralkyl, aryl or heterocyclic group, -OR23, -NR24R25, -SR26 or hydrogen; R21 and R22 may be combined with each other to form a heterocyclic ring; each of X1 and X2 is oxygen, sulfur or =NR17; each of X3 and X4 is oxygen, sulfur or =NR27; each of R13, R14, R15, R16, R17, R23, R24, R25, R26 and R27 is an alkyl, alkenyl, alkynyl, aralkyl, aryl or heterocyclic group or hydrogen; R14 and R15 may be combined with each other to form a heterocyclic ring; and R 24 and R25 may be combined with each other to form a heterocyclic ring.
申请公布号 US5342750(A) 申请公布日期 1994.08.30
申请号 US19930051691 申请日期 1993.04.23
申请人 FUJI PHOTO FILM CO., LTD. 发明人 SASAKI, HIROTOMO;FUJIMORI, TORU;MIFUNE, HIROYUKI;MORIMURA, KIMIYASU
分类号 G03C1/09;(IPC1-7):G03C1/06;G03C1/005;G03C1/494 主分类号 G03C1/09
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