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. 13, 2018
Filed:
Jul. 18, 2016
Industrial Technology Research Institute, Hsinchu, TW;
Rui-Xuan Dong, Taoyuan, TW;
Shu-Hui Cheng, Zhubei, TW;
Jen-You Chu, Hsinchu, TW;
Yin-Ju Yang, Hsinchu, TW;
Yi-Chun Lo, Zhudong Township, TW;
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Abstract
The filtration material includes a supporting layer, a first selective layer disposed on the supporting layer, and a second selective layer disposed on the first selective layer. The first selective layer includes a polyimide and an ionic polymer intertwined with the polyimide. In particular, the polyimide includes at least one repeat unit having a structure represented by Formula (I) wherein Ais Ais Rand Rare independently —H, —CF, —OH, —Br, —Cl, —F, Calkyl group, or Calkoxy group; and X and Y are independently single bond, —O—, —CH—, —C(CH)—, or —NH—.