Granted Patent
Utility
US 5,869,730 · App. 08/078,384
Oxidant reduction by manipulation and/or treatment of aqueous acrylonitrile process streams
Inventors:
Anne M. Graham, Sanjay P. Godbole, Daniel G. Lee
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: May 13, 1998
Inventors
Anne M. Graham
Sanjay P. Godbole
Daniel G. Lee
Assignee (at issue)
The Standard Oil Company
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.