Granted Patent
Utility
US 6,541,652 · App. 09/916,336
Process and apparatus for isolating organic substances from a gas mixture in which these substances are present
Inventors:
Peter Prinz, Josef Schmitz, Gunter Schummer, Rainer Strobel, Arnd Stuwe
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Jul 30, 2001
Inventors
Peter Prinz
Josef Schmitz
Gunter Schummer
Rainer Strobel
Arnd Stuwe
Assignee (at issue)
BP KOLN 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.