Granted Patent
Utility
US 6,686,398 · App. 10/070,407
Method and arrangement for producing methanol
Inventor:
Hans-Joachim Bahnisch
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Mar 6, 2002
Inventor
Hans-Joachim Bahnisch
Assignee (at issue)
UHDE 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.