IP Library › Granted Patent US 4,312,849
Granted Patent Utility
US 4,312,849 · App. 06/185,610

Phosphorous removal in silicon purification

Inventor: Raymond A. Kramer
Patented Case View Patent ↗
Granted: Jan 26, 1982 Filed: Sep 9, 1980
Inventor
Raymond A. Kramer
Assignee (at issue)
Aluminum Company of America

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Quick Facts
Patent No.
US 4,312,849
App. No.
06/185,610
Filed
1980-09-09
Granted
1982-01-26
Kind
A