Granted Patent
Utility
US 6,562,915 · App. 10/182,563
Method for carrying out radical ethylene high-pressure polymerization while preventing undesired polymer deposits
Inventors:
Frank-Olaf Mähling, Andreas Deckers, Dieter Littmann, Heinz Friedrich Sutoris, Kaspar Evertz
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Jul 31, 2002
Inventors
Frank-Olaf Mähling
Andreas Deckers
Dieter Littmann
Heinz Friedrich Sutoris
Kaspar Evertz
Assignees (at issue)
Basell Polyolefine GmbH
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.