Granted Patent
Utility
US 5,539,138 · App. 08/281,905
High affinity chelates containing isothiocyanate groups, useful for coupling with peptides and proteins
Inventors:
Richard J. Flanagan, Keith T. Hogan, Jean-Marc Dufour, F. Peter Charleson
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: Jul 28, 1994
Inventors
Richard J. Flanagan
Keith T. Hogan
Jean-Marc Dufour
F. Peter Charleson
Assignee (at issue)
Merck Frosst Canada Ltd.
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.