Granted Patent
Utility
US 4,863,903 · App. 07/112,631
Substituted 5-amino-4-hydroxyvaleryl derivatives
Inventors:
Walter Fuhrer, Peter Buhlmayer, Vittorio Rasetti, Bernhard Riniker
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Oct 26, 1987
Inventors
Walter Fuhrer
Peter Buhlmayer
Vittorio Rasetti
Bernhard Riniker
Assignee (at issue)
Ciba-Geigy
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.