Granted Patent
Utility
US 5,700,872 · App. 08/777,226
Process for making blends of polyolefin and poly(ethylene oxide)
Inventors:
James H. Wang, David Michael Schertz
Patented Case
View Patent ↗
Granted: Dec 23, 1997
Filed: Dec 31, 1996
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.