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:
Oct. 17, 2000
Filed:
May. 21, 1998
Applicant:
Inventor:
Stephen Allen Noe, Tomball, TX (US);
Assignee:
Kellogg Brown & Root, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; C01C / ;
U.S. Cl.
CPC ...
422148 ; 422193 ; 422203 ; 422191 ;
Abstract
A method for modifying a standard two-bed horizontal ammonia converter to provide increased conversion and/or production capacity by placing the first secondary catalyst bed of the existing converter in parallel flow with the existing primary catalyst bed and replacing magnetite catalyst in the second secondary catalyst bed with high activity ruthenium-on-carbon catalyst.