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:
Aug. 10, 1976
Filed:
Mar. 26, 1975
Applicant:
Inventors:
Henry Erickson, Park Forest, IL (US);
John Mooi, Hazelcrest, IL (US);
Assignee:
Atlantic Richfield Company, Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
423212 ; 4232135 ;
Abstract
Improved methods for reducing the amounts of hydrocarbon, carbon monoxide and nitrogen oxides in the exhaust gases of internal combustion engines involving the use of catalysts comprising a major amount of crystalline magnesium aluminate spinel. Improved catalysts as well as improved methods for making the present catalyst are also included.