Granted Patent
Utility
US 6,039,931 · App. 08/319,357
Derivatized DTPA complexes, pharmaceutical agents containing these compounds, their use, and processes for their production
Inventors:
Heribert Schmitt-Willich, Johannes Platzek, Heinz Gries, Gabrielle Schumann-Giampieri, Hanns-Joachim Weinmann, Hubert Vogler, Julius Deutsch, Juergen Conrad
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Oct 6, 1994
Inventors
Heribert Schmitt-Willich
Johannes Platzek
Heinz Gries
Gabrielle Schumann-Giampieri
Hanns-Joachim Weinmann
Hubert Vogler
Julius Deutsch
Juergen Conrad
Assignee (at issue)
SCHERING CORPORATION
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.