Granted Patent
Utility
US 5,908,950 · App. 08/862,939
Polyether modified fluoroalkylsiloxanes
Inventors:
Jeffrey A. Cooke, Gerald J. Murphy, Yutaka Furukawa, Seisaku Kumai
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: May 29, 1997
Inventors
Jeffrey A. Cooke
Gerald J. Murphy
Yutaka Furukawa
Seisaku Kumai
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.