IP Library › Granted Patent US 5,298,033
Granted Patent Utility
US 5,298,033 · App. 08/003,674

Ultraviolet absorbing lenses and methods of manufacturing thereof

Inventors: William M. Hung, Kai C. Su
Patented Case View Patent ↗
Granted: Mar 29, 1994 Filed: Jan 12, 1993
Inventors
William M. Hung
Kai C. Su
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 5,298,033
App. No.
08/003,674
Filed
1993-01-12
Granted
1994-03-29
Kind
A