Patent · US Active

Chemically resistant membranes, coatings and films and methods for their preparation

US8710109B2 · kind B2 · utility

2Cited by

51References

20Claims

0Family size

Assignee

BEN GURION UNIVERSITY OF THE NEGEV RESEARCH AND DEVELOPMENT AUTHORITY · IL

Inventors

Charles Linder · Rehovot, IL
Ora Kedem · Rehovot, IL
Yoram Oren · Beer Sheva, IL

Key dates

Filing date	Feb 21, 2010
Grant date	Apr 29, 2014
Priority date	—
Expiry date	Aug 6, 2030

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2325/30
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

There is provided herein a membrane or film comprising one or more aromatic ionomers covalently crosslinked through aryl-aryl (—Ar—Ar—), aryl-ether-aryl (—Ar—O—Ar—), aryl-sulfide-aryl (—Ar—S—Ar—), aryl-sulfone-aryl bonds, or any combination thereof, wherein said one or more aromatic ionomers further comprises at least one electron withdrawing group adapted to improve oxidant resistance of said membrane or film.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.