Granted Patent
Utility
US 4,902,502 · App. 07/299,235
Preparation of a polymer/interleukin-2 conjugate
Inventors:
Danute E. Nitecki, Nandini Katre, Robert J. Goodson, Lois Aldwin
Patented Case
View Patent ↗
Granted: Feb 20, 1990
Filed: Jan 23, 1989
Inventors
Danute E. Nitecki
Nandini Katre
Robert J. Goodson
Lois Aldwin
Assignee (at issue)
Cetus Corporation
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.