Granted Patent
Utility
US 5,451,639 · App. 08/208,845
Propylene copolymers grafted using free radical initiators
Inventors:
Bernd Lothar Marczinke, Juergen Kerth, Patrik Mueller, Horst Baumgartl, Peter Ittemann
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Mar 11, 1994
Inventors
Bernd Lothar Marczinke
Juergen Kerth
Patrik Mueller
Horst Baumgartl
Peter Ittemann
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.