Granted Patent
Utility
US 5,736,603 · App. 08/514,946
Electrically conductive thermoplastic composite materials and a process for their preparation
Inventors:
Bernhard Pfeiffer, Joachim Heydweiller, Josefa Risch
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Aug 14, 1995
Inventors
Bernhard Pfeiffer
Joachim Heydweiller
Josefa Risch
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.