IP Library › Granted Patent US 5,425,927
Granted Patent Utility
US 5,425,927 · App. 08/271,216

Hafnium dioxide purification

Inventor: Roy G. Walker
Patented Case View Patent ↗
Granted: Jun 20, 1995 Filed: Jun 27, 1994
Inventor
Roy G. Walker
Assignee (at issue)
Westinghouse Electric Company LLC

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Quick Facts
Patent No.
US 5,425,927
App. No.
08/271,216
Filed
1994-06-27
Granted
1995-06-20
Kind
A