IP Library › Granted Patent US 5,670,662
Granted Patent Utility
US 5,670,662 · App. 08/623,927

Pyranones

Inventors: John B. Crosby, Andrew John Blacker, John A. L. Herbert
Patented Case View Patent ↗
Granted: Sep 23, 1997 Filed: Mar 28, 1996
Inventors
John B. Crosby
Andrew John Blacker
John A. L. Herbert
Assignee (at issue)
Zeneca Limited

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Quick Facts
Patent No.
US 5,670,662
App. No.
08/623,927
Filed
1996-03-28
Granted
1997-09-23
Kind
A