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:
May. 21, 2013
Filed:
Dec. 14, 2009
David Hansen, Fulshear, TX (US);
Ruidong Ding, Shanghai, CN;
Daniel Connor, Inman, SC (US);
Nathan Mehl, Spartanburg, SC (US);
David Hansen, Fulshear, TX (US);
Ruidong Ding, Shanghai, CN;
Daniel Connor, Inman, SC (US);
Nathan Mehl, Spartanburg, SC (US);
Kraton Polymers U.S. LLC, Houston, TX (US);
Milliken and Company, Spartanburg, SC (US);
Abstract
The present invention comprises a molding composition comprising at least about 70% wt. polypropylene or polypropylene random copolymer; up to about 30 wt. % of a block copolymer composition comprising at least one selectively hydrogenated block copolymer which substantially matches the index of refraction of the polypropylene or polypropylene random copolymer, and up to about 0.70% by wt. of a clarifying agent, wherein the weight % of the total blend is 100%. The present invention also may be a molded article produced from the molding composition. A molded article formed from such a composition at a thickness of 0.125 inches will have a haze of less than about 50% and an instrumented impact toughness of at least 100 inch-lbs at −20° C. to −30° C.