Granted Patent
Utility
US 5,118,668 · App. 07/221,835
Variants of bovine pancreatic trypsin inhibitor and pharmaceutical use thereof
Inventors:
Ernst-August Auerswald, Wolfgang Bruns, Dietrich Horlein, Gerd Reinhardt, Eugen Schnabel, Werner Schroder
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Jul 20, 1988
Inventors
Ernst-August Auerswald
Wolfgang Bruns
Dietrich Horlein
Gerd Reinhardt
Eugen Schnabel
Werner Schroder
Assignee (at issue)
Bayer 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.