Granted Patent
Utility
US 4,873,359 · App. 07/103,635
Process for preparing as partyl-phenylalanine dipeptides
Inventors:
Alan B. Chmurny, Akiva Gross, Robert Kupper, Rowena L. Roberts
Patented Case
View Patent ↗
Granted: Oct 10, 1989
Filed: Oct 1, 1987
Inventors
Alan B. Chmurny
Akiva Gross
Robert Kupper
Rowena L. Roberts
Assignee (at issue)
W.R. Grace & Co. Conn.
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.