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:
Nov. 14, 2006
Filed:
May. 21, 2004
Karen D. Donnelly, Allison Park, PA (US);
Robert Dorville Roberts, Palmer, MA (US);
John Chi Hee Kwok, Moon Township, PA (US);
Chris K. Hung, Calgary, CA;
Trevor Dean Pacholok, Columbus, OH (US);
Karen D. Donnelly, Allison Park, PA (US);
Robert Dorville Roberts, Palmer, MA (US);
John Chi Hee Kwok, Moon Township, PA (US);
Chris K. Hung, Calgary, CA;
Trevor Dean Pacholok, Columbus, OH (US);
Nova Chemicals (International) S.A., Fribourg, CH;
Abstract
A multilayer thermoplastic extruded structure comprises at least one thermoplastic polyolefin layer; at least one thermoplastic vinyl aromatic polymer layer; and a multicomponent tie layer. The multicomponent tie layer comprises at least one thermoplastic polyolefin; at least one thermoplastic vinyl aromatic polymer; and at least one styrenic block copolymer. Preferred structures are multilayer films used for packaging or multilayer sheets for thermoformed containers.