Granted Patent
Utility
US 6,803,037 · App. 09/445,604
Hyaluronic acid derivative based cell culture and biodegradable three-dimensional matrix
Inventors:
Giovanni Abatangelo, Lanfranco Callegaro
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Dec 7, 1999
Inventors
Giovanni Abatangelo
Lanfranco Callegaro
Assignee (at issue)
Fidia Advanced Biopolymers S.r.L.
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.