Granted Patent
Utility
US 5,358,670 · App. 08/086,686
Process for preparing grignard reagents in diethylene glycol dibutyl ether
Inventors:
Stanhope P. Turnbull, Charles R. Egedy
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: Jul 2, 1993
Inventors
Stanhope P. Turnbull
Charles R. Egedy
Assignee (at issue)
Ferro 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.