Method for preventing an organic colored substance from fading by light, stabilized colored compositions and photographic elements and materials
申请人:KONICA CORPORATION
公开号:EP0286850A1
公开(公告)日:1988-10-19
A method for preventing organic colored substance from fading by light comprising, adding to said organic colored substance a compound of the formula (I)
wherein R is a substituent and n is an integer from 0 to 6, provided that when n is 2 or higher. the R's may be either the same or different from each other and they may be combined with each other to form a ring. Stabilized colored compositions and photographic elements and materials containing the compounds of formula (I).
一种防止有机有色物质在光照下褪色的方法,包括: 在所述有机有色物质中加入式(I)化合物,其中 R 是取代基,n 是 0 至 6 的整数。
其中 R 是取代基,n 是 0-6 之间的整数,但当 n 为 2 或更大时,R 可以相同或不同,并且可以相互结合形成一个环。含有式 (I) 化合物的稳定彩色组合物、照相元件和材料。