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:
Aug. 21, 2018
Filed:
Jun. 07, 2016
Applicant:
Kraton Polymers U.s. Llc, Houston, TX (US);
Inventors:
Robert C. Bening, Houston, TX (US);
Erin Murphy, Houston, TX (US);
Carl L. Willis, Houston, TX (US);
Assignee:
Kraton Polymers U.S. LLC, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/035 (2006.01); C09K 8/50 (2006.01); C08G 81/02 (2006.01); C08L 53/02 (2006.01); C08L 91/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/035 (2013.01); C08G 81/02 (2013.01); C08L 53/025 (2013.01); C08L 91/00 (2013.01); C09K 8/50 (2013.01); C08L 2201/54 (2013.01);
Abstract
Provided herein is a dispersion composition comprising a blend of a semi-crystalline, selectively hydrogenated block copolymer and a low polarity fluid for oilfield applications. The block copolymer comprises blocks of semi-crystalline hydrogenated polybutadiene, blocks of poly(mono alkenyl arenes), and blocks of hydrogenated, non-crystalline conjugated dienes. The dispersions can be converted to thixotropic fluids or cohesive gels and find application as insulating packer fluids, fluid loss pills, drilling fluids and completion fluids.