发明名称 STABILIZERS FOR COLOUR PHOTOGRAPHY RECORDING MATERIALS
摘要 Tetrahydrothiopyran compound of the formula I (I) in which R1, R2, R3, R4, R5, R6, X and n are as defined in claim 1, are effective stabilizers for dyes and dye couplers in photographic layers. In particular, they provide protection from damage by light. They are preferably used in combination with a phenolic antioxidant.
申请公布号 CA1333808(C) 申请公布日期 1995.01.03
申请号 CA19880578636 申请日期 1988.09.28
申请人 CIBA-GEIGY AG 发明人 RODY, JEAN;LEPPARD, DAVID G.
分类号 G03C7/26;C07D335/02;C07D495/10;G03C7/34;G03C7/392;(IPC1-7):C07D495/10;C07D495/22 主分类号 G03C7/26
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