发明名称 Cyan dye-forming couplers and photographic elements and processes
摘要 Cyan dye-forming 6-hydroxy-2H-1,4-benzoxazin-3-(4H)-one couplers, preferably cyan dye-forming couplers corresponding to the general formula: <IMAGE> wherein R represents hydrogen or R'''-X-NH, R' represents hydrogen or a substituted or unsubstituted alkyl group, R'' represents hydrogen or Riv-X-, X represents a member selected from the group consisting of -CO-, -SO2-, -OCOCO-, -NHCO-, R''' and Riv represent a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group and Y and Z, the same or different, represent hydrogen, halogen and a substituted or unsubstituted alkyl or alkoxy group, are described for use in silver halide color photographic processes and elements.
申请公布号 US4591548(A) 申请公布日期 1986.05.27
申请号 US19850755266 申请日期 1985.07.15
申请人 MINNESOTA MINING AND MANUFACTURING COMPANY 发明人 DELPRATO, IVANO
分类号 C07C205/22;C07C205/43;C07D265/36;G03C7/32;G03C7/34;(IPC1-7):G03C1/40 主分类号 C07C205/22
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