发明名称 |
Photographic element containing a particular cyan coupler dispersed in a phenolic solvent |
摘要 |
The invention provides a photographic element comprising a light sensitive silver halide emulsion layer having associated therewith a cyan coupler represented by formula (I) in combination with a phenolic solvent represented by formula (II): <IMAGE> (I) <IMAGE> (II) wherein: R3 represents an alkyl group of 2 to 15 carbon atoms; R4 and R5 each independently represents a hydrogen atom, an alkyl group or an aryl group; R6 represents an alkyl or aryl group; X represents a halogen atom; and Z represents a hydrogen atom or a group capable of being split off by oxidized color developer; and each R independently represents a substituent while q represents an integer from 1 to 3; provided that all R groups taken together contain at least 8 carbon atoms.
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申请公布号 |
US5726002(A) |
申请公布日期 |
1998.03.10 |
申请号 |
US19960665032 |
申请日期 |
1996.06.10 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
LAU, PHILIP T. S.;COWAN, STANLEY WRAY |
分类号 |
G03C7/30;(IPC1-7):G03C7/34 |
主分类号 |
G03C7/30 |
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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