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:
Sep. 17, 2019
Filed:
Nov. 10, 2016
Applicant:
Dow Global Technologies Llc, Midland, WI (US);
Inventors:
Robert E. Hefner, Jr., Rosharon, TX (US);
Ian A. Tomlinson, Midland, MI (US);
Brian L. Cramm, Lake Jackson, TX (US);
Assignee:
DOW GLOBAL TECHNOLOGIES LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 71/62 (2006.01); C08G 73/06 (2006.01); B01D 69/02 (2006.01); B01J 20/26 (2006.01); B01J 20/28 (2006.01);
U.S. Cl.
CPC ...
C08G 73/0694 (2013.01); B01D 53/228 (2013.01); B01D 69/02 (2013.01); B01D 71/62 (2013.01); B01J 20/267 (2013.01); B01J 20/28033 (2013.01); B01D 2325/02 (2013.01);
Abstract
A polymer including a sub-unit comprising a Troger's base moiety represented by: Formula (I) wherein L comprises an arylene group including at least one substituent group selected from: i) a crosslinking bond and ii) a functional group selected from at least one of: hydroxyl, phosphonic acid, carboxylic acid and sulfonic acid and their corresponding salt or ester; alkynyl, alkynyl ether, cyanate, epoxide, glycidyl ether or ester.