Granted Patent
Utility
US 6,695,952 · App. 10/030,533
Method for the separation of and purification of an aqueous mixture consisting of the main components acetic acid and formic acid
Inventors:
Christoph Rüdinger, Harald Voit, Michael Hallmann, Mehmet Gunaltay, Barbara Geborene Neé Reil Wild, Hans-Jurgen Eberle
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Jan 9, 2002
Inventors
Christoph Rüdinger
Harald Voit
Michael Hallmann
Mehmet Gunaltay
Barbara Geborene Neé Reil Wild
Hans-Jurgen Eberle
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.