Granted Patent
Utility
US 6,174,969 · App. 09/108,780
Polymerization of C2-C8-alk-1-enes by means of a Ziegler-Natta
Inventors:
Meinolf Kersting, Gerald Lutz, Franz Langhauser
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Jul 2, 1998
Inventors
Meinolf Kersting
Gerald Lutz
Franz Langhauser
Assignee (at issue)
BASF SE
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.