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. 05, 1999
Filed:
Jan. 16, 1997
Applicant:
Inventors:
Madan Mohan Bhasin, Charleston, WV (US);
Michael Scott Jarrell, South Charleston, WV (US);
Assignee:
Union Carbide Chemicals & Plastics Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
502333 ; 502302 ; 502303 ; 502304 ; 502313 ; 502320 ; 502334 ; 4232135 ;
Abstract
This invention is directed to an improved exhaust gas catalyst for the combustion of gaseous waste products from internal combustion engines, particularly automobiles, and industrial stationary source engines along with a method of making the same. The exhaust gas catalyst comprises a substantially pure alpha-alumina carrier and at least one noble metal selected from platinum, palladium and mixtures thereof, and has excellent stability over long-term use.