Granted Patent
Utility
US 4,690,906 · App. 06/696,474
Nephelometric determination of HB.sub.s antigen with antibody-containing microparticles
Inventors:
Jean Duheille, Bernard Pau, Pierre Gros
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Jan 30, 1985
Inventors
Jean Duheille
Bernard Pau
Pierre Gros
Assignee (at issue)
Sanofi
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.