Granted Patent
Utility
US 6,197,876 · App. 09/257,150
Heterocyclic amine modified siloxanes
Inventors:
George A. Policello, Gerald J. Murphy
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Feb 24, 1999
Inventors
George A. Policello
Gerald J. Murphy
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.