US Patent 8629211 Acrylic copolymer for use in highly filled composites

Patent 8629211 was granted and assigned to Arkema on January, 2014 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Arkema

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

8629211

Date of Patent

January 14, 2014

Patent Application Number

13719545

Date Filed

December 19, 2012

Patent Citations Received

‌

US Patent 11993976 Door assembly

Patent Primary Examiner

‌

Richard A Huhn

Patent abstract

The invention relates to an acrylic copolymer additive useful as a process aid in highly filled polyvinyl chloride (PVC) and chlorinated polyvinyl chloride (CPVC) composites. The acrylic additive is especially useful in highly filled PVC flooring tiles, rolled flooring, pipe and siding. The acrylic copolymer additive contains from 50 to 79 weight percent of methyl methacrylate monomer units, and has a Tg of less than 90° C.

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