C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
96/115, 96/204,
C07D 211/36 (2006.01) C07D 211/46 (2006.01) C07D 211/58 (2006.01) C07D 401/14 (2006.01) C07D 405/12 (2006.01) C07D 471/10 (2006.01) C07D 491/10 (2006.01) G03C 7/26 (2006.01) G03C 7/392 (2006.01)
Patent
CA 1249819
Colour-photographic recording material Abstract Compounds which contain in their molecule both a hydroquinone monoether or resorcinol monoether radical and a polyalkylpiperidine radical are effective stabilisers for photographic dyes and their intermediates. In particular, they act as stabilisers against damage by light.
443244
Leppard David G.
Rody Jean
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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