Granted Patent
Utility
US 5,762,840 · App. 08/697,996
Process for making microporous fibers with improved properties
Inventors:
Fu-Jya Tsai, Vasily A. Topolkaraev
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Sep 4, 1996
Inventors
Fu-Jya Tsai
Vasily A. Topolkaraev
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.