Granted Patent
Utility
US 5,840,358 · App. 08/866,161
Process for the preparation of an animal feed supplement based on fermentation broth
Inventors:
Andreas Höfler, Hans Christian Alt, Claas-Jurgen Klasen, Heinz Friedrich, Ulrich Hertz, Lothar Morl, Rudiger Schutte
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: May 30, 1997
Inventors
Andreas Höfler
Hans Christian Alt
Claas-Jurgen Klasen
Heinz Friedrich
Ulrich Hertz
Lothar Morl
Rudiger Schutte
Assignee (at issue)
Degussa AG
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.