Granted Patent
Utility
US 6,767,485 · App. 10/396,956
Process for controlling molecular weight of polymer
Inventor:
James L. Steiner
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Mar 25, 2003
Inventor
James L. Steiner
Assignee (at issue)
Arteva North America S.A.R.L.
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.