Granted Patent
Utility
US 4,293,721 · App. 06/175,175
Process for the purification of alkaline solution of lower alkyl alcohols containing alkali metal alkoxides
Inventor:
Sudhir K. Mendiratta
Patented Case
View Patent ↗
Granted: Oct 6, 1981
Filed: Aug 4, 1980
Inventor
Sudhir K. Mendiratta
Assignee (at issue)
Olin Corporation
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.