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:
Apr. 27, 2021
Filed:
Sep. 18, 2017
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Hiroyuki Shibata, Nagoya, JP;
Akimasa Ichikawa, Nagoya, JP;
Naoto Kinoshita, Nagoya, JP;
Takeshi Hagio, Nagoya, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 71/02 (2006.01); B01D 69/10 (2006.01); B01D 53/22 (2006.01); B01D 67/00 (2006.01); C01B 37/02 (2006.01); C01B 39/48 (2006.01);
U.S. Cl.
CPC ...
B01D 71/028 (2013.01); B01D 53/228 (2013.01); B01D 67/0046 (2013.01); B01D 67/0051 (2013.01); B01D 69/10 (2013.01); C01B 37/02 (2013.01); C01B 39/48 (2013.01);
Abstract
A DDR-type zeolite seed crystal has an average particle diameter of less than or equal to 0.2 μm, and an average aspect ratio of less than or equal to 1.3.