Granted Patent
Utility
US 5,986,122 · App. 08/972,084
Treatment of polyethers prior to hydrosilylation
Inventors:
Kenrick M. Lewis, Rudolph A. Cameron
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Nov 17, 1997
Inventors
Kenrick M. Lewis
Rudolph A. Cameron
Assignee (at issue)
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.