Granted Patent
Utility
US 6,238,684 · App. 09/209,061
Terminally modified, amino, polyether siloxanes
Inventor:
George A. Policello
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Dec 10, 1998
Inventor
George A. Policello
Assignee (at issue)
OSI Specialties, Inc.
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.