Granted Patent
Utility
US 4,795,821 · App. 06/902,177
Optically active borinic esters and ketones
Inventor:
Herbert C. Brown
Patented Case
View Patent ↗
Granted: Jan 3, 1989
Filed: Aug 29, 1986
Inventor
Herbert C. Brown
Assignee (at issue)
Aldrich-Boranes, 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.