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:
Mar. 12, 2013
Filed:
Sep. 14, 2009
Nadeem Akhtar Bokhari, Troy, MI (US);
Kousuke Ohtani, Ichihara, JP;
Yasuhito Ijichi, Sodegaura, JP;
Sumitomo Chemical Company, Ltd., Tokyo, JP;
Abstract
The present invention provides a thermoplastic elastomer composition comprising: 100 parts by weight of component (A), 10 to 100 parts by weight of component (B), 50 to 200 parts by weight of component (C), and 5 to 30 parts by weight of component (D). Component (A) is a propylene polymer having a melting point of 155° C. or more. Component (B) is a crystalline propylene-ethylene copolymer. Component (C) is an ethylene-α-olefin rubber having Mooney Viscosity of 30 to 100(ML, 125° C.). Component (D) is a hydrogenated product of block copolymer comprising blocks of aromatic vinyl compound units and blocks of conjugated diene compound units.