IP Library › Granted Patent US 5,274,170
Granted Patent Utility
US 5,274,170 · App. 07/898,656

Substituted benzophenone stabilizers

Inventors: David G. Leppard, David H. Steinberg, Henri Dubas
Patented Case View Patent ↗
Granted: Dec 28, 1993 Filed: Jun 15, 1992
Inventors
David G. Leppard
David H. Steinberg
Henri Dubas
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 5,274,170
App. No.
07/898,656
Filed
1992-06-15
Granted
1993-12-28
Kind
A