The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2009
Filed:
Mar. 25, 2004
Applicants:
Poul Erik Højlund Nielsen, Fredensborg, DK;
John Bøgild Hansen, Copenhagen Ø, DK;
Niels Christian Schiødt, Brønshøj, DK;
Inventors:
Poul Erik Højlund Nielsen, Fredensborg, DK;
John Bøgild Hansen, Copenhagen Ø, DK;
Niels Christian Schiødt, Brønshøj, DK;
Assignee:
Haldor Topsoe A/S, Lyngby, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 3/24 (2006.01); C01B 3/36 (2006.01); C01B 3/32 (2006.01); C01B 3/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the preparation of a hydrogen-rich stream comprising contacting a process gas containing carbon monoxide and water, the process gas further including dimethyl ether or a dimethyl ether/methanol mixture in at least one shift step in the presence of an ether hydration catalyst selected from the group of solid acids and a methanol decomposition catalyst comprising copper, zinc and aluminum and/or chromium.