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. 17, 2008
Filed:
Oct. 27, 2005
Cyclopentane carboxylate compounds, process and intermediates for preparing the same and use thereof
Lunjia Xie, Beijing, CN;
Hongbin Du, Beijing, CN;
Zhibiao HU, Beijing, CN;
Tianyi Zhang, Beijing, CN;
Siyuan Zhao, Beijing, CN;
Xinsheng Wang, Beijing, CN;
Lunjia Xie, Beijing, CN;
Hongbin Du, Beijing, CN;
Zhibiao Hu, Beijing, CN;
Tianyi Zhang, Beijing, CN;
Siyuan Zhao, Beijing, CN;
Xinsheng Wang, Beijing, CN;
China Petroleum & Chemical Corporation, Beijing, CN;
Beijing Research Institute of Chemical Industry, Beijing, CN;
Abstract
The present invention discloses cyclopentane carboxylate compounds. The 1-hydrocarbyl-2-acyloxy-cyclopentane carboxylates according to the invention have a general formula (I): wherein groups R, Rand R, which are identical or different, are independently selected from the group consisting of linear or branched C-Calkyl, C-Ccycloalkyl, C-Caryl, C-Calkaryl and C-Caralkyl. The present invention also discloses a process as well as intermediate compounds for preparing the compounds of formula (I), and use of the compounds (I) as electron donor in the preparation of catalysts for propylene polymerization.