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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.:

US 8852747 B1

PDFFull Text
Date of Patent:
Oct. 07, 2014

Filed:

May. 14, 2008

Coextrusion binders on a renewable/biodegradable basis

Applicants:

Fabrice Chopinez, Evreux, FR;

Johann Laffargue, Plasnes, FR;

Jeau-laurent Pradel, Boisney, FR;

Damien Rauline, Saint-Quentin-des-Isles, FR;

Samuel Devisme, Rouen, FR;

Inventors:

Fabrice Chopinez, Evreux, FR;

Johann Laffargue, Plasnes, FR;

Jeau-Laurent Pradel, Boisney, FR;

Damien Rauline, Saint-Quentin-des-Isles, FR;

Samuel Devisme, Rouen, FR;

Assignee:

Arkema France, Colombes, FR;

Attorney:

Buchanan Ingersoll & Rooney P.C.

Primary Examiner:

Vivian Chen

Int. Cl.
CPC ...
B32B 15/04 (2006.01); B32B 15/08 (2006.01); B32B 15/09 (2006.01); B32B 27/08 (2006.01); B32B 27/18 (2006.01); B32B 27/22 (2006.01); B32B 27/30 (2006.01); B32B 27/34 (2006.01); B32B 27/36 (2006.01); B32B 27/02 (2006.01); B32B 27/04 (2006.01); C08L 51/00 (2006.01); C08L 51/02 (2006.01); C08L 67/02 (2006.01); C08L 67/04 (2006.01); C08L 3/00 (2006.01); C08L 101/08 (2006.01); C08J 5/18 (2006.01); B32B 27/06 (2006.01); C08L 101/16 (2006.01); C08L 101/00 (2006.01); C08L 23/08 (2006.01); C08L 3/04 (2006.01); C08L 51/08 (2006.01); C08L 71/02 (2006.01); C08L 55/02 (2006.01);
U.S. Cl.
CPC ...
C08L 101/08 (2013.01); C08L 3/00 (2013.01); C08J 5/18 (2013.01); C08J 2300/16 (2013.01); C08J 2367/04 (2013.01); B32B 27/06 (2013.01); C08L 23/0846 (2013.01); C08L 2201/06 (2013.01); C08L 3/04 (2013.01); C08L 67/02 (2013.01); C08L 23/0869 (2013.01); C08L 51/00 (2013.01); C08L 51/08 (2013.01); C08L 101/16 (2013.01); C08L 67/04 (2013.01); C08L 71/02 (2013.01); C08L 55/02 (2013.01); C08L 101/00 (2013.01);
Abstract

The invention relates to coextrusion binders including renewable and/or biodegradable polymers having good adhesion properties: at least one renewable and/or biodegradable polymer (A) grafted with a functional monomer including at least one reactive function, the grafting ratio being <1% in weight of the grafted polymer (A); at least one non-grafted renewable and/or biodegradable polymer (B) identical to (A) or compatible with (A) optionally a softener (C); and optionally a starch-based material (D). The invention also relates to multilayered structures including the binder of the present invention, in which the layers are preferably made of renewable and/or biodegradable compounds. The multilayered structures are advantageously useful in the field of food packaging.

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