发明名称 |
Silver halide color photographic material |
摘要 |
A silver halide color photographic material comprising at least one layer provided on a support, said layer containing a coupler represented by the following formula (1): <IMAGE> (1) wherein Za represents -C(R3)= or -N=; Zb represents -C(R3)= when Za is -N= or Zb represents -N= when Za is -C(R3)=; R1 and R2 each represents an electron attractive group having a Hammett substituent constant sigma p of 0.2 to 1.0; R3 represents a substituent; T represents a linking group which can be released from the coupler by coupling thereof with an oxidized color developing agent and can subsequently release an ED moiety; n represents 0 or 1; the ED moiety represents a group which can be released from the coupler or T to undergo a redox reaction with the oxidized color developing agent; and G represents a hydrogen atom or a blocking group which can be eliminated from the coupler on photographic processing, whereby good hues and high image quality can be attained without any sensitivity decrease.
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申请公布号 |
US5660975(A) |
申请公布日期 |
1997.08.26 |
申请号 |
US19960710122 |
申请日期 |
1996.09.12 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
ITO, TAKAYUKI;MATSUDA, NAOTO |
分类号 |
G03C7/00;G03C7/305;G03C7/38;(IPC1-7):G03C7/305 |
主分类号 |
G03C7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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