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. 25, 2001
Filed:
Nov. 06, 1998
Akira Takahashi, Ann Arbor, MI (US);
Toshihiro Tomita, Nagoya, JP;
Takuya Hiramatsu, Nagoya, JP;
Kenji Suzuki, Nagoya, JP;
Masahiko Matsukata, Tokorozawa-city, Saitama-prefecture, 359-1115, JP;
Other;
Abstract
A highly heat-resistant and hydrothermal-resistant &bgr;-zeolite having a SiO,/Al,O,ratio of 80 or more, which is constituted by primary particles having an average particle diameter of 30 nm or more or by primary particles having such a particle size distribution that the 10% particle diameter is 20 nm or more; and an adsorbent for automobile exhaust gas purification, using said &bgr;-zeolite. The &bgr;-zeolite and the adsorbent can be produced reliably so as to have guaranteed properties.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile