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:
Aug. 11, 2015
Filed:
Jul. 05, 2012
Evi DE Smet, Oud-Ileverlee, BE;
Lodewijk Hendrickx, Meerhout, BE;
Werner Verwimp, Tessenderlo, BE;
Marc Verheijen, Geel, BE;
Paul Allemeersch, Tessenderlo, BE;
Erwin Vanzeir, Kappellen, BE;
Francisus Jacobs, Evergem, BE;
Yvo Daniels, Zonhoven, BE;
Kristof Storms, Sinaai-Waas, BE;
Evi De Smet, Oud-Ileverlee, BE;
Lodewijk Hendrickx, Meerhout, BE;
Werner Verwimp, Tessenderlo, BE;
Marc Verheijen, Geel, BE;
Paul Allemeersch, Tessenderlo, BE;
Erwin Vanzeir, Kappellen, BE;
Francisus Jacobs, Evergem, BE;
Yvo Daniels, Zonhoven, BE;
Kristof Storms, Sinaai-Waas, BE;
Borealis AG, Vienna, AT;
Abstract
Slurry polymerization process for the preparation of a polypropylene (PP) having a decaline soluble fraction (DS) of equal or below 2.5 wt.-%, wherein (a) a Ziegler-Natta catalyst (ZN), (b) propylene and optionally ethylene and/or an Cto Cα-olefin, and (c) a diluent (D) comprising a donor agent (DA), are fed into a first reactor vessel (R1) and the polymerization of said polypropylene (PP) takes place in at least said first reactor (R1).