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. 04, 2000
Filed:
Feb. 29, 1996
Takaaki Kanazawa, Tokyo, JP;
Shinichi Matsumoto, Aichi-gun, JP;
Satoshi Iguchi, Mishima, JP;
Kenji Katoh, Sunto-gun, JP;
Toshiaki Tanaka, Numazu, JP;
Shinichi Takeshima, Susono, JP;
Tsuneyuki Tanizawa, Toyota, JP;
Koichi Kasahara, Ogasa-gun, JP;
Syuji Tateishi, Ogasa-gun, JP;
Hideaki Muraki, Nagoya, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Cataler Industrial Co., Ltd., Shizuoka, JP;
Abstract
A method for purifying an exhaust gas by simultaneously removing carbon monoxide, hydrocarbons, and nitrogen oxides contained in the exhaust gas, comprising bringing the oxygen rich exhaust gas into contact with an exhaust gas purifying catalyst comprised of at least one noble metal selected from the group consisting of platinum and palladium, at least one alkaline earth metal selected from the group consisting of barium, magnesium, calcium, and strontium, and at least one alkali metal selected from the group consisting of iron, nickel, and cobalt, supported on a carrier composed of a porous substance.