Granted Patent
Utility
US 6,703,446 · App. 10/176,816
Hetero-telechelic polymers and processes for making same
Inventors:
James A. Schwindeman, Robert James Letchford, Conrad W. Kamienski, Roderic P. Quirk
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Jun 21, 2002
Inventors
James A. Schwindeman
Robert James Letchford
Conrad W. Kamienski
Roderic P. Quirk
Assignee (at issue)
FMC Corporation, Lithium Division
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.