Granted Patent
Utility
US 4,520,144 · App. 06/577,553
Polydimethylsiloxane-modified polyepoxides
Inventors:
Gerry K. Noren, Mary F. Clifton
Patented Case
View Patent ↗
Granted: May 28, 1985
Filed: Feb 6, 1984
Inventors
Gerry K. Noren
Mary F. Clifton
Assignee (at issue)
DeSoto, 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.