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:
Jan. 13, 2004
Filed:
Aug. 15, 2001
Applicant:
Inventors:
Douglas M. Beall, Painted Post, NY (US);
Shahid G. Lakhwani, Painted Post, NY (US);
Assignee:
Corning Incorporated, Corning, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 2/104 ; B01J 2/302 ; B01J 2/000 ; B01J 2/300 ; C04B 3/503 ;
U.S. Cl.
CPC ...
B01J 2/104 ; B01J 2/302 ; B01J 2/000 ; B01J 2/300 ; C04B 3/503 ;
Abstract
A ceramic support element for a NOx trap which includes a NOx storage component comprising an alkali metal, the ceramic support having a composition lying within a ternary system selected from the group consisting of Al TiO —MgTi O —MgAl O and Al TiO —FeTiO —Al O , a coefficent of thermal expansion (22-800° C.) of less than 20×10 /° C. and a modulus of rupture as measured on a solid rod of circular cross section of greater than 1000 pounds per square inch.