Granted Patent
Utility
US 5,952,433 · App. 08/903,864
Modified polyactide compositions and a reactive-extrusion process to make the same
Inventors:
James H. Wang, David Michael Schertz
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Jul 31, 1997
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.