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:
Jul. 17, 2001
Filed:
Jan. 25, 2000
Applicant:
Inventors:
Giovanni Carrea, Colorado Springs, CO (US);
Brian D. Warrick, Colorado Springs, CO (US);
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 5/314 ;
U.S. Cl.
CPC ...
B01D 5/314 ;
Abstract
A metal hydride getter purifier operated at less than 350° C. to remove impurities such as carbon dioxide, carbon monoxide, nitrogen, oxygen and water to levels of the order of one ppb or less from hydrogen without creating greater than 10 ppb methane. A cryogenic stage after the getter stage may be used to ensure removal of methane from hydrogen.