Granted Patent
Utility
US 6,552,124 · App. 09/753,223
Method of making a polymer blend composition by reactive extrusion
Inventors:
James H. Wang, David Michael Schertz
Patented Case
View Patent ↗
Granted: Apr 22, 2003
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.