发明名称 |
Photographic element, compound, and process |
摘要 |
Disclosed is a photographic element comprising a light-sensitive silver halide emulsion layer having associated therewith a "NB coupler" having the formula (I):wherein:the term "NB coupler" represents a coupler of formula (I) that forms a dye for which the left bandwidth (LBW) using spin-coating is at least 5 nm less than that of the same dye in solution form;Y is H or a coupling-off group;each Z* is an independently selected substituent group where p is 0 to 2;V is a substituent group containing a sulfonamido group;R4 is hydrogen or a group bonded to the carbonamido group by an aliphatic carbon atom;provided that the combined sum of the aliphatic carbon atoms in V, R4 and all Z* is at least 8. The element provides a dye of improved hue.
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申请公布号 |
US6197491(B1) |
申请公布日期 |
2001.03.06 |
申请号 |
US19990473517 |
申请日期 |
1999.12.28 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
BEGLEY WILLIAM J.;RUSSO GARY M.;CURT DENIS T. |
分类号 |
G03C7/34;(IPC1-7):G03C1/08;G03C7/26;G03C7/32 |
主分类号 |
G03C7/34 |
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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