Granted Patent
Utility
US 6,599,990 · App. 10/293,168
Safe, efficient, low t-butanol forming organic peroxide for polypropylene modification
Inventors:
Leo Kasehagen, Robert T. Kazmierczak, Robert Cordova, Terry N. Myers
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Nov 12, 2002
Inventors
Leo Kasehagen
Robert T. Kazmierczak
Robert Cordova
Terry N. Myers
Assignee (at issue)
ATOFINA Chemicals, Inc.
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.