Granted Patent
Utility
US 5,093,501 · App. 07/712,780
Intermediates in a process for the preparation of castanospermine
Inventors:
Peter B. Anzeveno, Paul Angell, Laura J. Creemer
Patented Case
View Patent ↗
Granted: Mar 3, 1992
Filed: Jun 10, 1991
Inventors
Peter B. Anzeveno
Paul Angell
Laura J. Creemer
Assignee (at issue)
Merrell Dow Pharmaceuticals 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.