Granted Patent
Utility
US 4,547,590 · App. 06/628,634
Carbon monoxide process for the production of alpha amino acids
Inventors:
Richard A. Love, Lee R. Zehner
Patented Case
View Patent ↗
Granted: Oct 15, 1985
Filed: Jul 6, 1984
Inventors
Richard A. Love
Lee R. Zehner
Assignee (at issue)
W. R. Grace & Co.
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.