Granted Patent
Utility
US 5,260,469 · App. 07/857,863
Organo-siloxane with modified solubility
Inventor:
Timothy P. Swiatek
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Mar 26, 1992
Inventor
Timothy P. Swiatek
Assignee (at issue)
PPG Industries, 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.