Granted Patent
Utility
US 4,824,452 · App. 07/156,279
Process for desulfurizing CO.sub.2 -containing gases
Inventors:
Gerhard Grunewald, Emil Alunic
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Feb 16, 1988
Inventors
Gerhard Grunewald
Emil Alunic
Assignees (at issue)
Metallgesellschaft AG
Linde 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.