Granted Patent
Utility
US 6,649,720 · App. 10/040,148
Ethane as a chain transfer agent for vinylidene fluoride polymerization
Inventors:
Ramin Amin-Sanayei, Lawrence K. Wempe, Valerie Toulin, Mehdi Durali
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Jan 2, 2002
Inventors
Ramin Amin-Sanayei
Lawrence K. Wempe
Valerie Toulin
Mehdi Durali
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.