Granted Patent
Utility
US 6,500,897 · App. 09/752,810
Modified biodegradable compositions and a reactive-extrusion process to make the same
Inventors:
James H. Wang, David Michael Schertz
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Dec 29, 2000
Inventors
James H. Wang
David Michael Schertz
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.