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.
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 代理人
主权项
地址