Granted Patent
Utility
US 6,465,697 · App. 09/834,460
Catalyst promotor for the manufacture of polyphenols
Inventors:
David P. Palmer, Pui K. Wong
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Apr 13, 2001
Inventors
David P. Palmer
Pui K. Wong
Assignee (at issue)
Resolution Performance Products LLC
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.