Granted Patent
Utility
US 5,670,153 · App. 08/440,542
Immunoreactive polypeptide compositions
Inventors:
Amy J. Weiner, Michael Houghton
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: May 12, 1995
Inventors
Amy J. Weiner
Michael Houghton
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.