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:
Mar. 07, 2017
Filed:
Dec. 23, 2013
Applicant:
Arkema Inc., King of Prussia, PA (US);
Inventors:
Paul R. Lavallee, Berwyn, PA (US);
Mark L. Lavach, Allentown, PA (US);
Rong Maria Hu, Apex, NC (US);
Assignee:
Arkema Inc., King of Prussia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04F 15/10 (2006.01); C08L 27/06 (2006.01); C08L 27/24 (2006.01); C08F 220/14 (2006.01); C08L 33/12 (2006.01);
U.S. Cl.
CPC ...
C08L 27/06 (2013.01); C08L 27/24 (2013.01); C08F 220/14 (2013.01); C08F 2500/01 (2013.01); C08L 33/12 (2013.01); E04F 15/10 (2013.01); E04F 15/105 (2013.01); Y10T 428/139 (2015.01);
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.