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:
Jul. 30, 2002
Filed:
Feb. 12, 1999
Applicant:
Inventors:
Toshiaki Tanaka, Numazu, JP;
Yoshio Fujimoto, Shizuoka, JP;
Nobumoto Ohashi, Susono, JP;
Shinichi Takeshima, Susono, JP;
Kazuhiro Ito, Mishima, JP;
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 2/302 ; B01J 2/304 ; B01J 3/500 ;
U.S. Cl.
CPC ...
B01J 2/302 ; B01J 2/304 ; B01J 3/500 ;
Abstract
An exhaust purification catalyst for a compression ignition engine comprises a carrier substrate and a metal-carrying layer which carries catalytic metal formed on the surface of the carrier substrate, and is characterized in that a diffusion restriction layer having a thickness smaller than 170 &mgr;m is provided on the surface of the metal-carrying layer opposite to the
Tanaka, Toshiaki. (2002). Exhaust emission control catalyst for diesel engines (U.S. Patent No. 6426316). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6426316
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile