Granted Patent
Utility
US 4,867,977 · App. 07/067,311
Calcium salts
Inventors:
Jean-Marc Gailly, Daniel H. Gomez
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Jun 26, 1987
Inventors
Jean-Marc Gailly
Daniel H. Gomez
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.