Granted Patent
Utility
US 4,435,548 · App. 06/258,158
Branched polyamidoamines
Inventors:
Donald A. Tomalia, Larry R. Wilson, Jerry R. Conklin
Patented Case
View Patent ↗
Granted: Mar 6, 1984
Filed: Apr 27, 1981
Inventors
Donald A. Tomalia
Larry R. Wilson
Jerry R. Conklin
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.