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:
Mar. 17, 2020
Filed:
Jan. 12, 2018
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 25/02 (2006.01); C04B 38/00 (2006.01);
U.S. Cl.
CPC ...
C01G 25/02 (2013.01); C04B 38/00 (2013.01); C04B 2201/32 (2013.01);
Abstract
A porous ceramic particle has a porosity of 20% to 99%, and one principal surface of the porous ceramic particle is a mirror surface, and an aspect ratio thereof is greater than or equal to 3.