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. 05, 2003
Filed:
Jan. 14, 1999
Applicant:
Inventors:
Takahiro Naka, Wako, JP;
Tetsuo Endo, Wako, JP;
Haruhiko Shimizu, Wako, JP;
Yoshikazu Fujisawa, Wako, JP;
Assignee:
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/904 ; B01J 2/100 ; B01J 2/900 ;
U.S. Cl.
CPC ...
B01J 2/904 ; B01J 2/100 ; B01J 2/900 ;
Abstract
An exhaust system comprising a heat-resistant HC adsorbent comprising an MFI metallo-silicate including at least one of gallium (Ga) and indium (In) as a skeleton forming element, and a metal component ME including at least one of an alkali metal and an alkali earth metal in a content of ME≦0.05% by weight. Such an HC adsorbent has an excellent heat resistance.