发明名称 Dry heat-activated bleaching of silver images
摘要 A dry, activator sheet for a dry, thermal silver dye-bleach process, in the absence of a silver dye-bleach catalyst, comprises a support having thereon a nonvolatile, diffusible acid and a non-hydrolyzable polymeric vehicle having an effective pH up to 4.0 and a melting point lower than 200 DEG C. The activator sheet is useful to bleach a silver image containing a bleachable dye.
申请公布号 US4168170(A) 申请公布日期 1979.09.18
申请号 US19780878979 申请日期 1978.02.17
申请人 EASTMAN KODAK COMPANY 发明人 MOWREY, ROWLAND G.;OFTEDAHL, EDWIN N.
分类号 C07D277/36;C07D277/56;G03C1/498;G03C5/26;G03C7/28;(IPC1-7):G03C7/00;G03C1/76;G03C1/02 主分类号 C07D277/36
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