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:
Jun. 30, 2015
Filed:
May. 25, 2012
Xianzhi Xia, Beijing, CN;
Yuexiang Liu, Beijing, CN;
Jin Zhao, Beijing, CN;
Jigui Zhang, Beijing, CN;
Yongtai Ling, Beijing, CN;
Weili LI, Beijing, CN;
Suzhen Qiao, Beijing, CN;
Yang Tan, Beijing, CN;
Renqi Peng, Beijing, CN;
Ping Gao, Beijing, CN;
Futang Gao, Beijing, CN;
Zhihui Zhang, Beijing, CN;
Xianzhi Xia, Beijing, CN;
Yuexiang Liu, Beijing, CN;
Jin Zhao, Beijing, CN;
Jigui Zhang, Beijing, CN;
Yongtai Ling, Beijing, CN;
Weili Li, Beijing, CN;
Suzhen Qiao, Beijing, CN;
Yang Tan, Beijing, CN;
Renqi Peng, Beijing, CN;
Ping Gao, Beijing, CN;
Futang Gao, Beijing, CN;
Zhihui Zhang, Beijing, CN;
Abstract
A magnesium halide adduct is provided, comprising at least one compound of the formula MgXY, at least one compound of the formula ROH, methanol, at least one modifying agent chosen from DOE and o-hydroxy benzoates, and optionally water. Also provided herein are a catalyst component comprising the magnesium halide adduct, a catalyst for olefin polymerization comprising the catalyst component; the respective processes for preparing the magnesium halide adduct and the catalyst component; use of the magnesium halide adduct for preparing the catalyst component, use of the catalyst component in a catalyst for olefin polymerization and use of the catalyst in olefin polymerization; and a process of olefin polymerization.