US Patent 7625967 Oil gels of controlled distribution block copolymers and ester oils

Patent 7625967 was granted and assigned to Kraton (polymer) on December, 2009 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Kraton (polymer)

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

76259670

Patent Inventor Names

David John St. Clair0

Date of Patent

December 1, 2009

Patent Application Number

113695630

Date Filed

March 7, 2006

Patent Primary Examiner

‌

Jeffrey C Mullis

Patent abstract

The present invention relates to oil gel compositions that include at least one non-aromatic ester oil and an anionic block copolymer of a mono alkenyl arene and a conjugated diene. The block copolymer is selectively hydrogenated and has mono alkenyl arene end blocks and a controlled distribution block of a mono alkenyl arene and a conjugated diene midblock. The ester oil is a non-aromatic, ester compound such as soybean oil, rapeseed oil, and other like compounds.

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