Granted Patent
Utility
US 4,354,002 · App. 06/249,916
Novel aliphatic sulfosiloxane-silicate copolymers
Inventors:
Pauls Davis, Joe C. Wilson
Patented Case
View Patent ↗
Granted: Oct 12, 1982
Filed: Apr 1, 1981
Inventors
Pauls Davis
Joe C. Wilson
Assignee (at issue)
BASF Wyandotte 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.