Granted Patent
Utility
US 6,784,325 · App. 09/843,554
Isomerization of alkyl phenol with a solid acid catalyst
Inventors:
Anantha Desikan, George E. Whitwell
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Apr 26, 2001
Inventors
Anantha Desikan
George E. Whitwell
Assignee (at issue)
AKZO NOBEL N.V.
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.