Granted Patent
Utility
US 6,217,912 · App. 09/352,473
Polyester analogue of poly-L-lysine as a soluble, biodegradable gene delivery carrier
Inventors:
Jong-Sang Park, Young-hun Choi, Sung Wan Kim
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Jul 13, 1999
Inventors
Jong-Sang Park
Young-hun Choi
Sung Wan Kim
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.