US Patent 8008401 Polyolefin composition

Patent 8008401 was granted and assigned to Mitsui Chemicals on August, 2011 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Mitsui Chemicals

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

80084010

Patent Inventor Names

Masahiko Okamoto0

Ryoji Mori0

Masakazu Jitsukata0

Yuichi Ito0

Toru Takehara0

Hayato Kurita0

Kazuki Mita0

Date of Patent

August 30, 2011

Patent Application Number

123110340

Date Filed

September 10, 2007

Patent Primary Examiner

‌

Nathan M. Nutter

Patent abstract

A polyolefin composition comprising an olefin-based thermoplastic elastomer which is superior to conventional olefin-based thermoplastic elastomers in scratch resistance and abrasion resistance and has excellent heat aging resistance is proposed. [Means for Solving the Problem] A polyolefin composition comprising a syndiotactic α-olefin-based copolymer (A), a polyolefin resin (B) (other than polybutene (C)), polybutene (C), and if necessary, an ethylene-based copolymer rubber (D).

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