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.

Date of Patent:
Mar. 30, 2004

Filed:

Dec. 16, 1999
Applicant:
Inventors:

Masakazu Tanaka, Okazaki, JP;

Yosiyasu Andou, Nagoya, JP;

Keiji Ito, Nagoya, JP;

Takahiro Kida, Nukata-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 2/104 ;
U.S. Cl.
CPC ...
B01J 2/104 ;
Abstract

A purification catalyst for exhaust gas is provided that uses a hexagonal cell monolithic carrier which is able to demonstrate purification performance that is superior to the case of using a square cell monolithic carrier. This purification catalyst for exhaust gas comprises a monolithic carrier ( ) provided with hexagonal cells ( ) of 200 cells/in or more in which the porosity of partition walls ( ) that form the cells ( ) is 25% or more; and, a catalyst layer ( ) arranged on the surface of the partition walls ( ) of the monolithic carrier ( ) that contains a catalyst component for purification of exhaust gas. The thickness of catalyst layer ( ) is 10-70 &mgr;m at its thin portion ( ), and its thick portion ( ) has a thickness of no more than 12 times that of thin portion ( ).


Find Patent Forward Citations

Tanaka, Masakazu. (2004). Purification catalyst for internal combustion engine exhaust gas (U.S. Patent No. 6713429). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6713429

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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