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:
Sep. 21, 2004
Filed:
Apr. 04, 2003
Applicant:
Inventors:
Yuji Mochizuki, Ogasa-gun, JP;
Tokio Oi, Ogasa-gun, JP;
Takashi Nishimoto, Toyota, JP;
Shinsuke Kiyomiya, Seto, JP;
Kouichi Oda, Kariya, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 5/304 ;
U.S. Cl.
CPC ...
B01D 5/304 ;
Abstract
An adsorbent for adsorbing fuel vapors is disclosed. The adsorbent is to be disposed in an inlet system of an internal combustion engine. It has pores, and 50% by volume or more of the pores have a pore diameter falling in a range of from 1.4 to 2.8 nm. It exhibits a unit pore volume of 0.3 mL or more with respect to 1 mL thereof. It is formed as a particle. It exhibits high performance on adsorbing fuel vapors, and shows high durability even when it is used for long period of time.