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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 11208528 B1

PDFFull Text
Date of Patent:
Dec. 28, 2021

Filed:

Apr. 06, 2017

Biaxially oriented polyester film for metal lamination

Applicant:

Mitsubishi Polyester Film Gmbh, Weisbaden, DE;

Inventors:

Matthias Konrad, Kriftel, DE;

Bodo Kuhmann, Runkel, DE;

David Ehrhardt, Hochheim, DE;

Thiemo Herbst, Mainz, DE;

Holger Kliesch, Ginsheim-Gustavsburg, DE;

Cynthia Bennett, Alzey, DE;

Assignee:

Mitsubishi Polyester Film GmbH, Wiesbaden, DE;

Attorneys:

ProPat, LLC

Vinisha Joshi

Primary Examiner:

Vivian Chen

Int. Cl.
CPC ...
C08G 63/183 (2006.01); B29C 48/08 (2019.01); B29C 48/00 (2019.01); B29C 48/21 (2019.01); B29C 48/88 (2019.01); B32B 27/36 (2006.01); B29C 55/12 (2006.01); B32B 15/09 (2006.01); B32B 15/20 (2006.01); B32B 27/08 (2006.01); B32B 15/08 (2006.01); B29K 267/00 (2006.01); C08G 63/85 (2006.01); B65D 43/00 (2006.01); C08G 63/16 (2006.01); C08L 67/03 (2006.01); C09D 7/63 (2018.01); C08L 67/02 (2006.01); C09D 201/10 (2006.01); C08K 3/013 (2018.01); B32B 37/15 (2006.01); B32B 37/12 (2006.01); B32B 27/20 (2006.01); B32B 27/18 (2006.01); B32B 15/04 (2006.01); B32B 7/04 (2019.01); B32B 7/12 (2006.01); B29K 67/00 (2006.01); B29L 7/00 (2006.01); B29L 31/56 (2006.01);
U.S. Cl.
CPC ...
C08G 63/183 (2013.01); B29C 48/0018 (2019.02); B29C 48/022 (2019.02); B29C 48/08 (2019.02); B29C 48/21 (2019.02); B29C 48/914 (2019.02); B29C 55/12 (2013.01); B32B 15/09 (2013.01); B32B 15/20 (2013.01); B32B 27/08 (2013.01); B32B 27/36 (2013.01); B29K 2067/00 (2013.01); B29K 2267/00 (2013.01); B29K 2267/003 (2013.01); B29K 2267/006 (2013.01); B29K 2995/0039 (2013.01); B29K 2995/0041 (2013.01); B29L 2007/008 (2013.01); B29L 2031/565 (2013.01); B32B 7/04 (2013.01); B32B 7/12 (2013.01); B32B 15/04 (2013.01); B32B 15/08 (2013.01); B32B 27/18 (2013.01); B32B 27/20 (2013.01); B32B 37/12 (2013.01); B32B 37/15 (2013.01); B32B 37/153 (2013.01); B32B 2250/244 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2255/24 (2013.01); B32B 2264/10 (2013.01); B32B 2264/102 (2013.01); B32B 2307/514 (2013.01); B32B 2307/518 (2013.01); B32B 2307/702 (2013.01); B32B 2307/704 (2013.01); B32B 2307/706 (2013.01); B32B 2307/714 (2013.01); B32B 2307/752 (2013.01); B32B 2311/24 (2013.01); B32B 2367/00 (2013.01); B32B 2435/00 (2013.01); B32B 2439/00 (2013.01); B32B 2439/66 (2013.01); B32B 2439/70 (2013.01); B65D 43/00 (2013.01); C08G 63/16 (2013.01); C08G 63/85 (2013.01); C08K 3/013 (2018.01); C08L 67/02 (2013.01); C08L 67/03 (2013.01); C08L 2203/16 (2013.01); C09D 7/63 (2018.01); C09D 201/10 (2013.01); Y10T 428/31681 (2015.04); Y10T 428/31786 (2015.04);
Abstract

The invention relates to a multilayer biaxially oriented polyester film comprising a base layer B, an amorphous outer layer A and a further outer layer C, where this polyester film is suitable for lamination with metal sheets. The invention in particular relates to a polyester film which comprises (based on the mass of polyester) from 2 to 15% by weight of isophthalate-derived units in the base layer and which comprises more than 19% by weight of isophthalate-derived units in the amorphous layer A, and which has a silane-based coating on the outer layer A. The invention further relates to a process for the production of these films.

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