Granted Patent
Utility
US 6,143,721 · App. 08/896,394
Dolastatin 15 derivatives
Inventors:
Bernd Janssen, Teresa Barlozzari, Andreas Haupt, Thomas Zierke, Andreas Kling
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Jul 18, 1997
Inventors
Bernd Janssen
Teresa Barlozzari
Andreas Haupt
Thomas Zierke
Andreas Kling
Assignee (at issue)
BASF SE
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.