Masterbatch containing adhesive PMMA and its use for the...

Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion

Reexamination Certificate

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C264S340000

Reexamination Certificate

active

07615174

ABSTRACT:
The present invention relates to a masterbatch composition which contains a polyolefin base resin, polymethylmethacrylate (PMMA) pearls and a further polymeric compound obtained at least from olefinic monomers, olefinic monomers containing an ester functionality and olefinic monomers containing an ether functionality, as well as to the masterbatches obtained from this composition. The present invention is further directed to monolayer as well as multilayer films which are made using the inventive masterbatches, their methods of production and the use of said films for packaging purposes.

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patent: 5286790 (1994-02-01), Laughner
patent: 5969007 (1999-10-01), Janssens
patent: 6476111 (2002-11-01), Beauchemin et al.
patent: 6670035 (2003-12-01), Pittman et al.
patent: 6916527 (2005-07-01), Ikegawa et al.
patent: 2003/0138581 (2003-07-01), Smith et al.
“Atofina Launches New Epoxy-Containing Terpolymer Additive,” May 14, 2003, http://www.specialchem4polynners.com/resources/latest/displaynews.aspx?id=1256&or=s215420—102—*q=lotader+.

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