发明名称 Color photographic elements containing yellow colored magenta dye forming masking couplers
摘要 A multilayer silver halide color photographic element comprising a support bearing a light-sensitive silver halide emulsion layer and a non-diffusible yellow-colored magenta dye-forming masking coupler wherein the masking coupler is a 2'-hydroxy-5'-substituted-4-phenylazo-5-pyrazolone. The masking coupler has good coupling activity and desirable hues, and can be obtained in good yields by simple syntheses.
申请公布号 US5622818(A) 申请公布日期 1997.04.22
申请号 US19950564515 申请日期 1995.11.29
申请人 EASTMAN KODAK COMPANY 发明人 KAPP, DANIEL L.;YOUNATHAN, JANET N.;ROSS, ROBERT J.;MERRILL, JAMES P.
分类号 G03C7/333;(IPC1-7):G03C7/333 主分类号 G03C7/333
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