Granted Patent
Utility
US 5,340,417 · App. 07/720,759
Process for preparing silicon carbide by carbothermal reduction
Inventors:
Alan W. Weimer, William G. Moore, William Rafaniello, Raymond P. Roach
Patented Case
View Patent ↗
Granted: Aug 23, 1994
Filed: Jun 28, 1991
Inventors
Alan W. Weimer
William G. Moore
William Rafaniello
Raymond P. Roach
Assignee (at issue)
THE DOW CHEMICAL COMPANY
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.