Granted Patent
Utility
US 6,046,276 · App. 08/995,790
Powder coating compositions containing functional polysiloxanes
Inventors:
Ronald R. Ambrose, Truman F. Wilt, Anthony M. Chasser, John R. Schneider
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Dec 22, 1997
Inventors
Ronald R. Ambrose
Truman F. Wilt
Anthony M. Chasser
John R. Schneider
Assignee (at issue)
PPG Industries Ohio, 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.