US Patent 7339001 Thermoplastic resin compositions

Patent 7339001 was granted and assigned to Cheil Industries on March, 2008 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Cheil Industries

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7339001

Date of Patent

March 4, 2008

Patent Application Number

10512784

Date Filed

February 20, 2003

Patent Primary Examiner

‌

Kriellion A. Sanders

Patent abstract

The thermoplastic resin composition according to the present invention comprises (A) about 20˜95 parts by weight of a rubber-modified polystyrene resin composed of (a1) about 10˜60% by weight of a styrene-containing graft copolymer resin containing about 10˜60% by weight of a rubber and about 90˜40% by weight of a styrene-acrylonitrile copolymer, the styrene-acrylonitrile copolymer containing about 0.5˜10% by weight of acrylonitrile, and (a2) about 90˜40% by weight of a styrene-containing copolymer resin containing 0˜20% by weight of a rubber; and (B) about 5˜80 parts by weight of a polyphenylene ether.