Granted Patent
Utility
US 6,645,641 · App. 10/136,962
Structures of polymers made from single site catalysts
Inventors:
John P. Eckstein, Johnny Zheng, Mark E. Nordness, Keith D. Lind, George H. Walbrun, Gregory K. Jones, Gregory J. Seeke, Ronald J. Dembowski, Douglas J. Jackson
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: May 2, 2002
Inventors
John P. Eckstein
Johnny Zheng
Mark E. Nordness
Keith D. Lind
George H. Walbrun
Gregory K. Jones
Gregory J. Seeke
Ronald J. Dembowski
Douglas J. Jackson
Assignee (at issue)
Pechiney Plastic Packaging, 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.