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:
Nov. 11, 2003
Filed:
May. 25, 1999
Geng Zhang, Utsunomiya, JP;
Tomotaka Hirota, Takanezawa-machi, JP;
Yasunori Kurashima, Ujiie-machi, JP;
Hideaki Muraki, Utsunomiya, JP;
Johnson Matthey Japan Ltd., Tokyo, JP;
Abstract
Exhaust gas clean-up catalysts that contain one or two or more noble metals chosen from the group platinum (Pt), rhodium (Rh), ruthenium (Ru), Iridium (Ir), osmium (Os) and other noble metals, and at least one of tungsten (W) metal or tungsten oxide and, optionally, at least one of niobium (Nb) metal, niobium oxide, molybdenum (Mo) metal, or molybdenum oxide, and which can also contain the metal oxide(s) ceria and/or zirconia if necessary, are especially useful for cleaning up hydrocarbons in exhaust gases.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile