Granted Patent
Utility
US 6,586,524 · App. 09/909,418
Cellular targeting poly(ethylene glycol)-grafted polymeric gene carrier
Inventor:
Kazuyoshi Sagara
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Jul 19, 2001
Inventor
Kazuyoshi Sagara
Assignee (at issue)
Expression Genetics, Inc.
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.