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:
Oct. 31, 2017
Filed:
Jan. 07, 2013
Ngk Insulators, Ltd., Nagoya, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
A ceramic filter is provided with a porous substrate'made of ceramic and having partition wallsseparating and forming a plurality of cellsextending from one end faceto the other end face', a separation membrane'made of ceramic and disposed on wall surfaces of the cells', and glass sealsdisposed on the one end faceand on the other end face“so as not to cover openings of the cells”. Ceramic particles having a thermal expansion coefficient of 90 to 110% of that of glass contained in the glass sealsare dispersed in the glass seals. There is provided a ceramic filter usable for a long period of time in high temperature conditions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile