Granted Patent
Utility
US 5,962,285 · App. 09/106,611
Process for making polycarboxylic acids
Inventors:
Kevin W. Anderson, J. Douglas Wenzel, Richard G. Fayter, Jr., Kenneth R. McVay
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Jun 23, 1998
Inventors
Kevin W. Anderson
J. Douglas Wenzel
Richard G. Fayter, Jr.
Kenneth R. McVay
Assignee (at issue)
Henkel Limited
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.