Granted Patent
Utility
US 5,494,993 · App. 08/296,105
Low-pill, low-flammability polyesters, production thereof and structures formed therefrom
Inventors:
Volker Freudenberger, Peter Klein, Hans-Jerg Kleiner
Patented Case
View Patent ↗
Granted: Feb 27, 1996
Filed: Aug 25, 1994
Inventors
Volker Freudenberger
Peter Klein
Hans-Jerg Kleiner
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.