Granted Patent
Utility
US 6,133,399 · App. 08/265,369
Aqueous polyurethane dispersions containing dimer/trimer
Inventors:
Curtis P. Smith, John W. Reisch, Richard J. Feegel
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jun 24, 1994
Inventors
Curtis P. Smith
John W. Reisch
Richard J. Feegel
Assignee (at issue)
Arco Chemical Technology, L.P.
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.