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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 12275219 B1

PDFFull Text
Date of Patent:
Apr. 14, 2025

Filed:

Sep. 13, 2022

Monovinylidene aromatic multilayer sheet containing impact modifiers

Applicant:

Trinseo Europe Gmbh, Pfaeffikon, CH;

Inventors:

Mark Georges Vreys, Oostakker, BE;

Claude T. E. Van Nuffel, Oostakker, BE;

Abidin Balan, Breda, NL;

Assignee:

TRINSEO EUROPE GMBH, Pfaeffikon, CH;

Attorney:

Young Basile Hanlon & MacFarlane, P.C.

Primary Examiner:

Jasper Saberi

Int. Cl.
CPC ...
B32B 27/30 (2005.12); B29C 48/00 (2018.12); B29C 48/08 (2018.12); B29C 48/18 (2018.12); B29C 48/21 (2018.12); B32B 27/08 (2005.12); B32B 27/18 (2005.12); B32B 27/32 (2005.12); B29C 48/495 (2018.12); B29K 23/00 (2005.12); B29K 33/00 (2005.12); B29K 33/18 (2005.12); B29K 55/00 (2005.12); B29K 105/00 (2005.12); B29K 105/26 (2005.12);
U.S. Cl.
CPC ...
B32B 27/302 (2012.12); B29C 48/022 (2019.01); B29C 48/08 (2019.01); B29C 48/18 (2019.01); B29C 48/21 (2019.01); B32B 27/08 (2012.12); B32B 27/18 (2012.12); B32B 27/32 (2012.12); B29C 48/495 (2019.01); B29K 2023/00 (2012.12); B29K 2033/00 (2012.12); B29K 2033/18 (2012.12); B29K 2055/00 (2012.12); B29K 2105/0002 (2012.12); B29K 2105/0085 (2012.12); B29K 2105/0088 (2012.12); B29K 2105/0094 (2012.12); B29K 2105/26 (2012.12); B29K 2995/0088 (2012.12); B32B 2250/24 (2012.12); B32B 2264/0207 (2012.12); B32B 2264/302 (2020.07); B32B 2264/303 (2020.07); B32B 2270/00 (2012.12); B32B 2272/00 (2012.12); B32B 2307/406 (2012.12); B32B 2307/552 (2012.12); B32B 2307/558 (2012.12); B32B 2307/7376 (2023.04); B32B 2307/738 (2012.12); B32B 2509/10 (2012.12); Y02P 20/143 (2015.10); Y02W 30/62 (2015.04);
Abstract

Disclosed herein are compositions including a thermoformable sheet having three of more layers. Two layers include one or more monovinylidene aromatic monomer containing polymers which are impact modified by a rubber, one or more monovinylidene aromatic monomer and unsaturated nitrile containing copolymers, or a blend of one or more monovinylidene aromatic monomer containing polymers and a polyolefin, which exhibit resistance to environmental stress cracking. At least one of the two layers is an outer layer. An inner layer includes post-consumer recycled monovinylidene aromatic monomer containing polymers which are impact modified by a rubber, post-industrial recycled monovinylidene aromatic monomer containing polymers which are impact modified by a rubber. Optionally, the composition may include virgin monovinylidene aromatic monomer containing polymers which are impact modified by a rubber. Optionally, the composition may include an outer layer which is a gloss layer.

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