Granted Patent
Utility
US 5,773,527 · App. 08/376,100
Non-crosslinked, polybranched polymers
Inventors:
Donald A. Tomalia, David M. Hedstrand, Rui Yin
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Jan 20, 1995
Inventors
Donald A. Tomalia
David M. Hedstrand
Rui Yin
Assignee (at issue)
Dendritech 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.