Granted Patent
Utility
US 5,221,710 · App. 07/677,002
Process for preparing and optionally chain extending aqueous polyisocyanate dispersions using static mixers
Inventors:
Peter H. Markusch, Arthur W. Mason, Robin E. Tirpak
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Mar 28, 1991
Inventors
Peter H. Markusch
Arthur W. Mason
Robin E. Tirpak
Assignee (at issue)
Miles 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.