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. 08, 2016
Filed:
Jun. 27, 2013
Japan Petroleum Exploration Co., Ltd., Tokyo, JP;
Japan Fine Ceramics Center, Aichi, JP;
Takayuki Nagano, Nagoya, JP;
Koji Sato, Nagoya, JP;
Kazumoto Chiba, Ichihara, JP;
Toshiya Wakatsuki, Funabashi, JP;
Yusuke Takeuchi, Akita, JP;
Japan Petroleum Exploration Co., Ltd., Tokyo, JP;
Japan Fine Ceramics Center, Aichi, JP;
Abstract
The helium gas separator material includes a base portion and a gas separation portion joined to the base portion. The base portion is composed of a porous α-alumina material which has communication holes with an average diameter of 50 nm to 1,000 nm; the gas separation portion has a porous γ-alumina portion containing a Ni element and a silica membrane portion which is disposed on the inner wall of the communication holes in the porous portion; and the average diameter of pores surrounded and formed by the silica membrane portion is 0.27 nm to 0.60 nm.