Granted Patent
Utility
US 5,534,604 · App. 08/436,156
Copolymers based on ethylenically unsaturated dicarboxylic anhydrides, long-chain olefins and fluoroolefins
Inventors:
Michael Bildhauer, Rainer Kupfer, Gunther Siebott, Bernhard Mees, Herbert Friedrich
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: May 5, 1995
Inventors
Michael Bildhauer
Rainer Kupfer
Gunther Siebott
Bernhard Mees
Herbert Friedrich
Assignee (at issue)
Hoechst GmbH
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.