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. 16, 1979
Filed:
Dec. 13, 1977
Applicant:
Inventors:
Herbert M Volker, Hanau, DE;
Polat Oser, Wolfsburg, DE;
Gerhard Doring, Wolfsburg, DE;
Harald Koch, Wolfsburg, DE;
Assignee:
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler, Frankfurt am Main, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; F01N / ;
U.S. Cl.
CPC ...
422177 ; 2524 / ; 4232132 ; 422176 ; 422180 ;
Abstract
A catalytic converter for use in the exhaust line of an internal combustion engine wherein the catalytically active noble metal coating is deposited only on the rearward portion of the inert carrier, with respect to the direction of flow of the exhaust gases, said inert carrier being fully coated with a washcoat capable of absorbing catalyst poisons before application of the catalytically active noble metal coating.