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:
Feb. 01, 2022
Filed:
Aug. 18, 2020
Applicant:
Taiwan Textile Research Institute, New Taipei, TW;
Inventors:
Shang-Chih Chou, New Taipei, TW;
Chun-Hung Chen, New Taipei, TW;
Chun-Hung Lin, New Taipei, TW;
Kueir-Rarn Lee, New Taipei, TW;
Assignee:
Taiwan Textile Research Institute, New Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 67/00 (2006.01); B01D 69/12 (2006.01); C08G 73/10 (2006.01); B01D 69/02 (2006.01); B01D 71/60 (2006.01); B01D 71/64 (2006.01); C08L 79/08 (2006.01); C09D 179/08 (2006.01); B01D 61/36 (2006.01); C08J 7/04 (2020.01); B01D 71/80 (2006.01);
U.S. Cl.
CPC ...
B01D 67/0009 (2013.01); B01D 67/0006 (2013.01); B01D 67/0011 (2013.01); B01D 69/02 (2013.01); B01D 71/64 (2013.01); B01D 71/80 (2013.01); C08G 73/1042 (2013.01); C08G 73/1067 (2013.01); C08G 73/1071 (2013.01); C08J 7/0427 (2020.01); C08L 79/08 (2013.01); C09D 179/08 (2013.01); B01D 61/362 (2013.01); B01D 2323/08 (2013.01); B01D 2323/30 (2013.01); B01D 2325/04 (2013.01); C08J 2323/12 (2013.01); C08J 2367/00 (2013.01); C08J 2479/08 (2013.01);
Abstract
A preparation method of separation membrane is provided. First, a polyimide composition including a dissolvable polyimide, a crosslinking agent, and a solvent is provided. The dissolvable polyimide is represented by formula 1: