Ultraviolet light absorbers

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...

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Hauptverfasser: PASTOR STEPHEN DANIEL, NAUGHTON ANDREW BRIAN, DEBELLIS ANTHONY DAVID, SUHADOLNIK JOSEPH, XIONG RONG, WOOD MERVIN GALE, RAVICHANDRAN RAMANATHAN, JUDD DEBORAH, BABIARZ JOSEPH EDMUND, DETLEFSEN ROBERT EDWARD
Format: Patent
Sprache:eng
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Zusammenfassung: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.