Granted Patent
Utility
US 5,753,097 · App. 08/725,626
Process for purifying hydroxide compounds
Inventors:
Hossein Sharifian, John E. Mooney
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Oct 3, 1996
Inventors
Hossein Sharifian
John E. Mooney
Assignee (at issue)
SACHEM, INC.
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.