Granted Patent
Utility
US 6,355,347 · App. 09/629,379
Methods of making blend compositions of an unmodified polyvinyl alcohol and metallocene polyolefin or a grafted metallocene polyolefin
Inventors:
David Michael Schertz, James H. Wang, Gregory J. Wideman, William S. Pomplun
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Aug 1, 2000
Inventors
David Michael Schertz
James H. Wang
Gregory J. Wideman
William S. Pomplun
Assignee (at issue)
Kimberly-Clark Worldwide, 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.