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.
这是一种用作颜色显影剂的对苯二胺衍生物,具有一个可用于氧化偶联的一级氨基团和一个与苯环结合的羧基,以使化合物具有所需的稳定性,以便将其纳入摄影胶片中,在碱性处理溶液中处理摄影胶片时,该化合物不会扩散。