Granted Patent
Utility
US 6,440,461 · App. 09/673,255
Poly(methylidene malonate) microspheres, preparation method and pharmaceutical compositions containing them
Inventors:
Nicole Bru-Magniez, Elias Fattal, Catherine Le Visage, Patrick Couvreur, Pascal Breton
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Dec 19, 2000
Inventors
Nicole Bru-Magniez
Elias Fattal
Catherine Le Visage
Patrick Couvreur
Pascal Breton
Assignee (at issue)
Virsol
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.