Granted Patent
Utility
US 6,429,331 · App. 09/313,400
Process for preparing saturated carboxylic acids having from 1 to 4 carbon atoms from butenes and butanes
Inventors:
Christoph Ruedinger, Hans Eberle, Ragnar Bogner, Wolfgang Kohlmann
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: May 18, 1999
Inventors
Christoph Ruedinger
Hans Eberle
Ragnar Bogner
Wolfgang Kohlmann
Assignee (at issue)
Consortium für elektrochemische Industrie 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.