Granted Patent
Utility
US 4,234,598 · App. 06/029,088
Phenylcarbamates
Inventors:
Madhukar Subraya Chodnekar, Peter Loeliger, Ulrich Schwieter, Albert Pfiffner, Milos Suchy, Rene Zurflun
Patented Case
View Patent ↗
Granted: Nov 18, 1980
Filed: Apr 11, 1979
Inventors
Madhukar Subraya Chodnekar
Peter Loeliger
Ulrich Schwieter
Albert Pfiffner
Milos Suchy
Rene Zurflun
Assignee (at issue)
HOFFMANN-LA ROCHE 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.