Granted Patent
Utility
US 5,789,148 · App. 08/570,120
Cell separation composition
Inventors:
Peter Van Vlasselaer, Varghese Palathumpat
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Dec 11, 1995
Inventors
Peter Van Vlasselaer
Varghese Palathumpat
Assignee (at issue)
Dendreon Corporation
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.