US Patent 7557160 Impact-resistant vinyl aromatic hydrocarbon resin
Patent 7557160 was granted and assigned to Asahi Kasei on July, 2009 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
August 31, 2004
Date of Patent
July 7, 2009
Patent Application Number
11661182
Patent Inventor Names
Takaaki Matsuda
0
Toshinori Shiraki
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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