Granted Patent
Utility
US 5,670,569 · App. 08/577,234
Crosslinked molding compositions comprising polyarylene sulfides and polyarylene sulfoxides, process for their preparation and their use
Inventors:
Helmut Scheckenbach, Andreas Schleicher
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Dec 22, 1995
Inventors
Helmut Scheckenbach
Andreas Schleicher
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.