发明名称 Colour photographic silver halide material
摘要 A color photographic silver halide material comprising a support and at least one silver halide emulsion layer which is deposited thereon and which contains at least one color coupler, characterized in that said layer also contains a compound of formula (I) wherein R1 denotes alkyl, aryl, aralkyl or hetaryl, R2 denotes H or R1, or R1 and R2 together denote the remaining members of a heterocyclic ring, R3, R4, independently of each other, denote aryl or hetaryl or together denote the remaining members of a phenanthrene ring which is condensed-on in the 9,10-position, wherein R1 can also be H if R3 and R4 together form a phenanthrene ring, is distinguished by improved granularity.
申请公布号 US2002045138(A1) 申请公布日期 2002.04.18
申请号 US20010916363 申请日期 2001.07.27
申请人 ODENWALDER HEINRICH;LANGEN HANS;DAHLHAUS UWE 发明人 ODENWALDER HEINRICH;LANGEN HANS;DAHLHAUS UWE
分类号 G03C7/384;G03C7/392;(IPC1-7):G03C1/34 主分类号 G03C7/384
代理机构 代理人
主权项
地址