Colour-photographic recording material

Details Colour-photographic recording material Colour-photographic recording material

G - Physics

03

C

96/71

G03C 7/26 (2006.01) C07D 401/12 (2006.01) C07D 401/14 (2006.01) C07D 491/10 (2006.01) G03C 7/392 (2006.01)

Patent

CA 1211308

Colour-photographic recording material Abstract Compounds of the formula I Image ( I ) in which X is a group Image or Image and R1, R2, R3, R4 and R5 are monovalent organic radicals, at least one of which contains a sterically hindered phenol group and at least one of which contains a polyalkylpiperidine group, are outstanding light stabilisers for colour-photographic recording materials. They also have a stabilising action on the photo dyes and their precursors when stored in the dark.

441913

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