C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 265/22 (2006.01) C07D 239/74 (2006.01) C07D 239/86 (2006.01) C07D 239/91 (2006.01) C07D 249/20 (2006.01) C07D 405/04 (2006.01)
Patent
CA 2454080
The present invention relates to novel ultraviolet light absorbers of the benzoxazinone, oxanilide, benzylidene malonate, quinazoline and benzotriazole classes. The invention also relates to polymer and photographic compositions stabilized against the deleterious effects of light induced degradation which comprise the novel ultraviolet light absorbers.
La présente invention concerne de nouveaux absorbeurs de lumière ultraviolette appartenant aux classes benzoxazinone, oxanilide, malonate de benzylidène, quinazoline et benzotriazole. Cette invention concerne également des compositions polymères et photographiques stabilisées contre les effets nuisibles de la dégradation induite par la lumière, qui renferment les absorbeurs de lumière ultraviolette selon l'invention.
Babiarz Joseph Edmund
Debellis Anthony David
Detlefsen Robert Edward
Judd Deborah
Naughton Andrew Brian
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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