Granted Patent
Utility
US 4,990,502 · App. 07/181,969
Low molecular weight heparins of regular structure, their preparation and their biological uses.
Inventors:
Jean-Claude Lormeau, Maurice Petitou, Jean Choay
Patented Case
View Patent ↗
Granted: Feb 5, 1991
Filed: Apr 15, 1988
Inventors
Jean-Claude Lormeau
Maurice Petitou
Jean Choay
Assignee (at issue)
Sanofi S.A.
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.