Granted Patent
Utility
US 6,562,974 · App. 09/771,899
Process for making geminal bisphosphonates
Inventors:
Frederick Dana Cazer, William Douglas Cramer, Dennis Michael Billings, Gregory Eugene Parry
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Jan 29, 2001
Inventors
Frederick Dana Cazer
William Douglas Cramer
Dennis Michael Billings
Gregory Eugene Parry
Assignee (at issue)
The Procter & Gamble Company
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.