发明名称 Photographic element containing gelatin-modified polyurethane
摘要 The present invention is a photographic element including a support, at least one silver halide emulsion layer superposed on said support; and at least one auxiliary layer. The auxiliary layer includes a gelatin-grafted-polyurethane which is formed by coating and subsequent drying of a coating composition comprising gelatin covalently bound to a polyurethane through a grafting agent, wherein a ratio of gelatin to polyurethane is from 1:10 to 2:1.
申请公布号 US5952164(A) 申请公布日期 1999.09.14
申请号 US19980090579 申请日期 1998.06.04
申请人 发明人
分类号 G03C1/76;G03C1/85;G03C1/89;G03C1/93;(IPC1-7):G03C1/93;G03C1/835;G03C1/047 主分类号 G03C1/76
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