Granted Patent
Utility
US 6,440,975 · App. 09/051,020
Amino acid derivatives, the preparation and use thereof as endothelin antagonists
Inventors:
Dagmar Klinge, Wilhelm Amberg, Andreas Kling, Hartmut Riechers, Liliane Unger, Manfred Raschack
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Mar 31, 1998
Inventors
Dagmar Klinge
Wilhelm Amberg
Andreas Kling
Hartmut Riechers
Liliane Unger
Manfred Raschack
Assignee (at issue)
Abbott Laboratories
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.