Granted Patent
Utility
US 6,451,966 · App. 09/927,654
Method for increasing solid state polymerization rate
Inventors:
Kenneth Wayne Leffew, Andrew Witt
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Aug 10, 2001
Inventors
Kenneth Wayne Leffew
Andrew Witt
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.