Granted Patent
Utility
US 5,082,874 · App. 07/475,535
Aryloxy polyvinyl ethers
Inventors:
Kou-Chang Liu, Fulvio J. Vara, James A. Dougherty
Patented Case
View Patent ↗
Granted: Jan 21, 1992
Filed: Feb 6, 1990
Inventors
Kou-Chang Liu
Fulvio J. Vara
James A. Dougherty
Assignee (at issue)
ISP INVESTMENTS LLC
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.