Granted Patent
Utility
US 4,438,103 · App. 05/856,617
Organic compounds
Inventors:
Wilfried Bauer, Francois Cardinaux, Rene Huguenin, Janos Pless, Edmond Sandrin
Patented Case
View Patent ↗
Granted: Mar 20, 1984
Filed: Dec 2, 1977
Inventors
Wilfried Bauer
Francois Cardinaux
Rene Huguenin
Janos Pless
Edmond Sandrin
Assignee (at issue)
Sandoz AG
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.