Granted Patent
Utility
US 6,015,920 · App. 09/151,642
Hydrosilation reaction process with recycle
Inventors:
Curtis L. Schilling, Jr., Patrick J. Burns, James S. Ritscher, Mark P. Bowman, Thomas E. Childress, Michael R. Powell, Eric Michael Graban
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Sep 11, 1998
Inventors
Curtis L. Schilling, Jr.
Patrick J. Burns
James S. Ritscher
Mark P. Bowman
Thomas E. Childress
Michael R. Powell
Eric Michael Graban
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.