Granted Patent
Utility
US 5,041,606 · App. 07/488,137
Process for the O-alkylation of N-(hydroxy)aralkylphenylethanolamines
Inventors:
Robert Boigegrain, Roberto Cecchi, Sergio Boveri
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: Mar 5, 1990
Inventors
Robert Boigegrain
Roberto Cecchi
Sergio Boveri
Assignee (at issue)
Sanofi
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.