Granted Patent
Utility
US 4,886,779 · App. 07/166,421
Inactivation of human immunodeficiency virus (HIV) in protein-containing solutions by phenols
Inventor:
Joachim Hilfenhaus
Patented Case
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Granted: Dec 12, 1989
Filed: Mar 10, 1988
Inventor
Joachim Hilfenhaus
Assignee (at issue)
Behringwerke Aktiengesellschaft
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.