Granted Patent
Utility
US 5,338,532 · App. 07/654,851
Starburst conjugates
Inventors:
Donald A. Tomalia, Donald A. Kaplan, William J. Kruper, Jr., Roberta C. Cheng, Ian A. Tomlinson, Michael J. Fazio, David M. Hedstrand, Larry R. Wilson
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Feb 13, 1991
Inventors
Donald A. Tomalia
Donald A. Kaplan
William J. Kruper, Jr.
Roberta C. Cheng
Ian A. Tomlinson
Michael J. Fazio
David M. Hedstrand
Larry R. Wilson
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.