IP Library › Granted Patent US 4,549,015
Granted Patent Utility
US 4,549,015 · App. 06/504,283

Hydroquinone ether compounds

Inventor: Frederick H. Howell
Patented Case View Patent ↗
Granted: Oct 22, 1985 Filed: Jun 14, 1983
Inventor
Frederick H. Howell
Assignee (at issue)
Ciba-Geigy

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Quick Facts
Patent No.
US 4,549,015
App. No.
06/504,283
Filed
1983-06-14
Granted
1985-10-22
Kind
A