Granted Patent
Utility
US 6,312,679 · App. 08/036,644
Dense star polymer conjugates as dyes
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: Nov 6, 2001
Filed: Mar 24, 1993
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.