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:
Jul. 25, 2017
Filed:
Aug. 26, 2014
Ineos Styrolution Group Gmbh, Frankfurt, DE;
Norbert Niessner, Friedelsheim, DE;
Phillip Boeckmann, Bad Duerkheim, DE;
Maarten Staal, Limburgerhof, DE;
Rolf Minkwitz, Mannheim, DE;
INEOS STYROLTION GROUP GMBH, , DE;
Abstract
Thermoplastic copolymer compositions which contain 50 to 82 wt.-% of a SAN copolymer AI and 15 to 55 wt.-% of a graft copolymer A2, which has an average particle size of 50 to 150 nm and is constituted of at least one rubber-like graft base with a glass transition temperature Tg<0° C., at least one alkyl acrylate, the cyclic cross-linking agent dicyclopentadienyl acrylate and a non-cyclic, additional cross-linking agent, and of 20 to 40 wt.-% of at least one graft shell composed of styrene and acrylonitrile; and auxiliary agents and/or additives, have improved gloss when exposed to weathering.