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:
May. 28, 2019
Filed:
Oct. 30, 2013
Applicants:
China Petroleum & Chemical Corporation, Beijing, CN;
Beijing Research Institute of Chemical Industry, Chna Petroleum & Chemical Corp, Beijing, CN;
Inventors:
Liangshi Wang, Beijing, CN;
Luqiang Yu, Beijing, CN;
Shijun Zhang, Beijing, CN;
Jinliang Qiao, Beijing, CN;
Meifang Guo, Beijing, CN;
Zhichao Yang, Beijing, CN;
Jianjun Yin, Beijing, CN;
Honghong Huang, Beijing, CN;
Liping Hou, Beijing, CN;
Jianfang Sheng, Beijing, CN;
Assignees:
Primary Examiner:
Int. Cl.
CPC ...
C08F 110/06 (2006.01); C08L 23/10 (2006.01); C08F 2/34 (2006.01);
U.S. Cl.
CPC ...
C08F 110/06 (2013.01); C08L 23/10 (2013.01);
Abstract
Disclosed herein are a polypropylene with narrow molecular weight distribution and a process for preparing the same in a reactor using a Ziegler-Natta catalyst.