Granted Patent
Utility
US 5,721,282 · App. 08/556,795
Molding composition based on fluoropolymers and process for producing foam material therefrom
Inventors:
Axel Schonfeld, Andreas Schleicher, Georg Frank, Helmut Scheckenbach
Patented Case
View Patent ↗
Granted: Feb 24, 1998
Filed: Nov 2, 1995
Inventors
Axel Schonfeld
Andreas Schleicher
Georg Frank
Helmut Scheckenbach
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.