Granted Patent
Utility
US 5,663,306 · App. 07/095,396
Method of conjugating an activated ester to an amine-containing biological material
Inventors:
Lois Aldwin, Danute E. Nitecki
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Sep 10, 1987
Inventors
Lois Aldwin
Danute E. Nitecki
Assignee (at issue)
Chiron 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.