Granted Patent
Utility
US 5,480,971 · App. 08/257,782
Peralkylated oligopeptide mixtures
Inventors:
Richard A. Houghten, John M. Ostresh, Sylvie E. Blondelle
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Jun 9, 1994
Inventors
Richard A. Houghten
John M. Ostresh
Sylvie E. Blondelle
Assignee (at issue)
Houghten Pharmaceuticals
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.