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:
Jun. 14, 2016
Filed:
Oct. 14, 2011
Applicant:
Carl Lesley Willis, Houston, TX (US);
Inventor:
Carl Lesley Willis, Houston, TX (US);
Assignee:
Kraton Polymers U.S. LLC, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F 8/36 (2006.01);
U.S. Cl.
CPC ...
C08F 8/36 (2013.01); C08F 8/36 (2013.01); C08F 8/04 (2013.01); C08F 297/046 (2013.01);
Abstract
Sulfonated block copolymer composition formed by dissolving in an aprotic polar solvent at least one sulfonated block copolymer having at least one end block A and at least one interior block B wherein each A block contains essentially no sulfonic acid or sulfonate ester functional groups and each B block is a polymer block containing from about 10 to about 100 mol % sulfonic acid or sulfonate ester functional groups based on the number of sulfonation susceptible monomer units of the B block.