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 cyan "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'' and Z* is an independently selected substituent group where n is 0 to 4 and p is 0 to 2;W2 represents the atoms necessary to complete a heterocyclic ring group; andV is a sulfone or sulfoxide containing group;provided that the combined sum of the aliphatic carbon atoms in V, all Z'' and all Z* is at least 8. The element exhibits improved cyan dye hue.
申请公布号 US6387606(B1) 申请公布日期 2002.05.14
申请号 US20010982476 申请日期 2001.10.18
申请人 EASTMAN KODAK COMPANY 发明人 BEGLEY WILLIAM J.;COMS FRANK D.;RUSSO GARY M.
分类号 G03C7/34;(IPC1-7):G03C7/46 主分类号 G03C7/34
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