Granted Patent
Utility
US 4,990,325 · App. 07/441,682
Process for synthesis of beryllium chloride dietherate
Inventors:
Charles R. Bergeron, John E. Bullard, Evan R. Morgan
Patented Case
View Patent ↗
Granted: Feb 5, 1991
Filed: Nov 22, 1989
Inventors
Charles R. Bergeron
John E. Bullard
Evan R. Morgan
Assignee (at issue)
The Babcock & Wilcox 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.