IP Library › Granted Patent US 5,132,339
Granted Patent Utility
US 5,132,339 · App. 07/514,066

Polyurethane-forming foundry binders containing a polyether polyol

Inventors: William G. Carpenter, William R. Dunnavant
Patented Case View Patent ↗
Granted: Jul 21, 1992 Filed: Apr 24, 1990
Inventors
William G. Carpenter
William R. Dunnavant
Assignee (at issue)
Ashland Oil, Inc.

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Quick Facts
Patent No.
US 5,132,339
App. No.
07/514,066
Filed
1990-04-24
Granted
1992-07-21
Kind
A