IP Library Granted Patent US 4,990,179
Granted Patent Utility
US 4,990,179 · App. 07/513,121

Process for increasing the life of carbon crucibles in plasma furnaces

Inventors: Theodore F. Munday, Richard A. Mohr
Patented Case View Patent ↗
Granted: Feb 5, 1991 Filed: Apr 23, 1990
Inventors
Theodore F. Munday
Richard A. Mohr
Assignee (at issue)
FMC CORPORATION

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Quick Facts
Patent No.
US 4,990,179
App. No.
07/513,121
Filed
1990-04-23
Granted
1991-02-05
Kind
A