公开(公告)号：EP0467982B1

公开(公告)日：1993-12-29

申请号：EP90907140.9

申请日：1990-04-11

申请人： REVEL'ACT

发明人： LE MARLEC, Yvon ,  BART, Christophe

IPC分类号： G03C5/40 ,  G03C11/00

CPC分类号： G03C5/40

摘要： Process for treatment of a photographic support comprising an image whitened after exposure, development and fixing in order to render said whitened image capable of being developed in daylight or in any other non-inactinic light, characterized by the fact that the photographic support comprising the whitened image is subjected, during a sufficient length of time, to the stabilising action of an acid bath containing an effective quantity of thiourea or equivalent blocking agent.