Granted Patent
Utility
US 6,071,977 · App. 08/742,192
Hydrosilation in high boiling natural vegetable oils
Inventors:
Paul E. Austin, Edmond J. Derderian, Robert A. Kayser
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Oct 31, 1996
Inventors
Paul E. Austin
Edmond J. Derderian
Robert A. Kayser
Assignee (at issue)
CK WITCO 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.