Granted Patent
Utility
US 4,917,888 · App. 07/131,901
Solubilization of immunotoxins for pharmaceutical compositions using polymer conjugation
Inventors:
Nandini Katre, Michael J. Knauf
Patented Case
View Patent ↗
Granted: Apr 17, 1990
Filed: Dec 11, 1987
Inventors
Nandini Katre
Michael J. Knauf
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.