Granted Patent
Utility
US 4,737,550 · App. 06/938,686
Bridged dense star polymers
Inventor:
Donald A. Tomalia
Patented Case
View Patent ↗
Granted: Apr 12, 1988
Filed: Dec 8, 1986
Inventor
Donald A. Tomalia
Assignee (at issue)
THE DOW CHEMICAL COMPANY
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.