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:
Mar. 08, 1994
Filed:
Sep. 15, 1992
Applicant:
Inventors:
Tetsuo Ito, Fujisawa, JP;
Hiroyuki Kanesaka, Yokohama, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ;
U.S. Cl.
CPC ...
502 66 ; 502 63 ; 502 64 ; 502 67 ; 502 71 ; 502 77 ;
Abstract
A hydrocarbon adsorbing body for use in the purification of exhaust gas comprises a monolith type carrier, a coating layer of Pd ion-exchanged H-type ZSM-5 zeolite powder, and a coating layer of zeolite powder other than the above zeolite.