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:
Jul. 20, 2021
Filed:
Mar. 12, 2018
Ineos Styrolution Group Gmbh, Frankfurt am Main, DE;
Michiel Verswyvel, Mechelen, BE;
Norbert Niessner, Friedelsheim, DE;
Eike Jahnke, Aubonne, CH;
Daniel Wagner, Bad Duerkheim, DE;
Konrad Knoll, Mannheim, DE;
INEOS STYROLUTION GROUP GMBH, Frankfurt am Main, DE;
Abstract
Thermoplastic elastomer compositions can be used for medical skin contact applications, comprising: a) 90.9 to 69.0 wt.-% star-shaped block copolymer A with 4 arms of the general structure [S—(S/B)—(S/B)—(S/B)—S]—X, where Sand Sare vinylaro-matic hard polymer and S/B are soft random vinylaromatic/diene copolymer blocks; X is a coupling center; and b) 9.1 to 31.0 wt.-% of a plasticizer B: b1) a mixture of mineral oil B1 and cyclohexane 1,2-dicarboxylic acid Cto Cdialkyl ester B2; or b2) a mixture of mineral oil B1 and vegetable oil B3.