Granted Patent
Utility
US 4,585,643 · App. 06/739,681
Process for preparing chlorosilanes from silicon and hydrogen chloride using an oxygen promoter
Inventor:
Thomas H. Barker, Jr.
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: May 31, 1985
Inventor
Thomas H. Barker, Jr.
Assignee (at issue)
Union Carbide Corporation
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.