Granted Patent
Utility
US 5,573,717 · App. 08/409,164
Oriented polyolefin film with amorphous polymer, a process for its production and its use
Inventors:
Herbert Peiffer, Ursula Murschall, Gunter Schloegl, Frank Osan, Thomas Dries
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Mar 23, 1995
Inventors
Herbert Peiffer
Ursula Murschall
Gunter Schloegl
Frank Osan
Thomas Dries
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.