Granted Patent
Utility
US 4,877,892 · App. 07/128,287
Chiral glycidyl azides as synthetic intermediates to optically active compounds
Inventor:
David R. Brittelli
Patented Case
View Patent ↗
Granted: Oct 31, 1989
Filed: Dec 3, 1987
Inventor
David R. Brittelli
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.