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:
Dec. 15, 1987
Filed:
Mar. 31, 1986
Applicant:
Inventors:
Satish Tamhankar, Scotch Plains, NJ (US);
William R Weltmer, Murray Hill, NJ (US);
Assignee:
The BOC Group, Inc., Montvale, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C01B / ; C01B / ; B01J / ;
U.S. Cl.
CPC ...
423219 ; 423230 ; 423247 ; 423248 ;
Abstract
There is disclosed a one-step process for purifying an inert gas achieved by contacting the inert gas including minute quantities of an impurity selected from the group consisting of CO, CO.sub.2, O.sub.2, H.sub.2, H.sub.2 O and mixtures thereof with a particulate material comprised of nickel in an amount of at least about 5% by weight as elemental nickel distributed over an effective area of surface, typically from about 100 to 200 m.sup.2 /g, thereby forming an inert gas having less than 1 ppm and preferably less than 0.1 ppm of any such impurity.