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:
Jul. 12, 2022
Filed:
Dec. 26, 2018
Toray Industries, Inc., Tokyo, JP;
Rina Takahashi, Shiga, JP;
Kazuki Sato, Shiga, JP;
Masakazu Koiwa, Shiga, JP;
Shuji Furuno, Shiga, JP;
Takao Sasaki, Ehime, JP;
TORAY INDUSTRIES, INC., Tokyo, JP;
Abstract
Provided is a gas separation membrane that can be used continuously. The gas separation membrane comprises: a porous support membrane that contains an aromatic polyamide in which an aromatic ring has been replaced with a chloro group; and a separation functional layer that is disposed on the surface of the porous support membrane and contains a cross-linked polyamide obtained by polycondensation of a polyfunctional amine and a polyfunctional acid halide.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile