Granted Patent
Utility
US 6,417,270 · App. 09/757,140
Means of producing high diblock content thermoplastic elastomers with functional termination
Inventors:
Mark H. Wollum, Daniel F. Graves
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: Jan 9, 2001
Inventors
Mark H. Wollum
Daniel F. Graves
Assignee (at issue)
Firestone Polymers, LLC
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.