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:
Jan. 16, 2018
Filed:
Apr. 30, 2014
Solvay Specialty Polymers Usa, Llc, Alpharetta, GA (US);
Chantal Louis, Alpharetta, GA (US);
Mohammad Jamal El-Hibri, Atlanta, GA (US);
David B. Thomas, Atlanta, GA (US);
Hemantkumar Patel, Alpharetta, GA (US);
SOLVAY SPECIALTY POLYMERS USA, LLC, Alpharetta, GA (US);
Abstract
A poly(arylether sulfone) polymer [(t-PAES) polymer, herein after], wherein more than 70% moles of the recurring units are recurring units (R) of formula (St): -E-Ar—S0-[Ar-(T-Ar)—SO]m-Ar— (formula S) wherein: n and m, equal to or different from each other, are independently zero or an integer of 1 to 5, each of Ar, Ar, Arand Arequal to or different from each other and at each occurrence, is an aromatic moiety, T is a bond or a divalent group optionally comprising one or more than one heteroatom; -E is of formula (E), wherein each of R', equal to or different from each other, is selected from the group consisting of halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium; j′ is zero or is an integer from 1 to 4, and said (t-PAES) polymer having a number average molecular weight (M) ranging from 41 000 to 90 000.