Granted Patent
Utility
US 6,107,456 · App. 09/153,728
Method for separating sterols from tall oil
Inventors:
Derk T. A. Huibers, Andrew M. Robbins, David H. Sullivan
Patented Case
View Patent ↗
Granted: Aug 22, 2000
Filed: Sep 15, 1998
Inventors
Derk T. A. Huibers
Andrew M. Robbins
David H. Sullivan
Assignee (at issue)
Arizona Chemical Company, 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.