A color photographic material containing, as a color stain preventing agent, a substantially colorless phenol and/or naphthol derivative having a group which is not released by displacement of the oxidation product of an aromatic primary amine color developing agent at the 4-position thereof and at least one sulfonamido group and at least one sulfonamido group, acylamino group or sulfonyl group at other positions of the ring. The color stain preventing agent very effectively removes the oxidation product of a color developing agent at color development and maintain the effect for a long period of time.
一种彩色感光材料,其中包含一种作为颜色污染剂的基本无色的
苯酚和/或
萘酚衍
生物,其具有一个在其4位上的芳香族原始胺颜色显影剂的氧化产物被置换时不释放的基团,以及至少一个磺酰胺基团和至少一个磺酰胺基团、酰胺基团或磺酰基团在环上的其他位置。这种颜色污染剂在彩色显影过程中非常有效地去除颜色显影剂的氧化产物,并长期维持效果。