发明名称 Process for the production of photographic images utilizing a negative working diazo contact film
摘要 A process for the production of photographic images utilizing a photographic element comprising a transparent support and a coating on the support comprising a diazonium composition having a light absorbency of about 45% or less, and a colorant composition, said coating having a light transmission of not more than about 0.1%.
申请公布号 US4729935(A) 申请公布日期 1988.03.08
申请号 US19850789236 申请日期 1985.10.18
申请人 HOECHST CELANESE CORPORATION 发明人 WALLS, JOHN E.;DHILLON, MAJOR S.
分类号 G03F1/12;G03F7/016;(IPC1-7):G03F1/00;G03F7/08;G03C1/78 主分类号 G03F1/12
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