发明名称 Antistatic opacifying layer for photographic roll film
摘要 The present invention is a backing paper for photographic roll film. The backing paper includes a paper base having a first side and a second side. Superposed on the first side of the paper base is an antistatic opacifying layer which includes polyethylene and at least 10 weight percent of conductive carbon black particles, the carbon black particles having a surface chemistry of less than 1.5 percent by weight.
申请公布号 US5876844(A) 申请公布日期 1999.03.02
申请号 US19970842457 申请日期 1997.04.24
申请人 EASTMAN KODAK COMPANY 发明人 HARRIS, VALERIE J.;MRUK, WILLIAM A.;BROWN, BARRY M.
分类号 G03C3/00;G03C3/02;(IPC1-7):G03C3/00 主分类号 G03C3/00
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