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. 04, 2020
Filed:
Jun. 17, 2016
Sabic Global Technologies B.v., Bergen op Zoom, NL;
Martin Alexander Zuideveld, Kelmis, BE;
Sergei Andreevich Sergeev, Novosibirsk, RU;
Vladimir Aleksandrovich Zakharov, Novosibirsk, RU;
Dafne Lise Steinfort, Sittard, NL;
SABIC GLOBAL TECHNOLOGIES B.V., Bergen op Zoom, NL;
Abstract
A process for preparing a procatalyst for polymerization of olefins, comprising contacting a magnesium-containing support with a halogen-containing titanium compound, a first internal electron donor represented by Formula A, a second internal electron donor represented by Formula B, and an activator; wherein the molar ratio of the first internal donor to the second internal donor is between 0.01 and 0.7; wherein in Formula A each Rgroup is independently a substituted or unsubstituted aromatic group; and R, R, R, R, R, Rand Rare each independently selected from a hydrogen or a hydrocarbyl group; wherein in Formula B Rand Rare each independently selected from a hydrogen or a hydrocarbyl group; and Rand Rare each independently selected from hydrogen, a halide or a hydrocarbyl group.