Granted Patent
Utility
US 6,409,778 · App. 09/530,972
Additive for biodiesel and biofuel oils
Inventors:
Clemens Auschra, Joachim Vetter, Uwe Boehmke, Michael Neusius
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Jun 28, 2000
Inventors
Clemens Auschra
Joachim Vetter
Uwe Boehmke
Michael Neusius
Assignee (at issue)
RohMax Additives GmbH
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.