IP Library › Granted Patent US 4,835,323
Granted Patent Utility
US 4,835,323 · App. 06/906,111

Hydroquinones

Inventor: Frederick H. Howell
Patented Case View Patent ↗
Granted: May 30, 1989 Filed: Sep 11, 1986
Inventor
Frederick H. Howell
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 4,835,323
App. No.
06/906,111
Filed
1986-09-11
Granted
1989-05-30
Kind
A