Incorporated carboxy substituted p-phenylenediamine color developer
申请人:GAF Corporation
公开号:US04066456A1
公开(公告)日:1978-01-03
A derivative of paraphenylenediamine, for use as a color developer, having a primary amino group available for oxidative coupling, and a carboxy group bound to the benzene ring to provide the compound with the required stability to enable the compound to be incorporated into a photographic film, the compound being non-diffusible during development of the photographic film in an alkaline processing solution.