Granted Patent
Utility
US 4,261,876 · App. 05/954,159
Polysilicones-polybutadienediol blends as release coatings
Inventor:
Robert E. Reusser
Patented Case
View Patent ↗
Granted: Apr 14, 1981
Filed: Oct 24, 1978
Inventor
Robert E. Reusser
Assignee (at issue)
Phillips Petroleum Company
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.