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.

Date of Patent:
Feb. 06, 2007

Filed:

Oct. 15, 2003
Applicants:

Kejing Gao, Beijing, CN;

Dongbing Liu, Beijing, CN;

Wei Chen, Beijing, CN;

Guirong Fan, Beijing, CN;

Xinping LU, Beijing, CN;

Jingyan an, Beijing, CN;

Ying Guan, Beijing, CN;

Jun Zhang, Beijing, CN;

Qinfang Zhao, Beijing, CN;

Inventors:

Kejing Gao, Beijing, CN;

Dongbing Liu, Beijing, CN;

Wei Chen, Beijing, CN;

Guirong Fan, Beijing, CN;

Xinping Lu, Beijing, CN;

Jingyan An, Beijing, CN;

Ying Guan, Beijing, CN;

Jun Zhang, Beijing, CN;

Qinfang Zhao, Beijing, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 31/00 (2006.01); B01J 37/00 (2006.01); C08F 4/02 (2006.01); C08F 4/60 (2006.01); C08F 4/44 (2006.01);
U.S. Cl.
CPC ...
Abstract

A catalyst component for ethylene polymerization, including an inorganic oxide support, and at least one alkyl metal compound, at least one halide, at least one dihydrocarbyl magnesium compound, at least one difunctional compound that reacts with the dihydrocarbyl magnesium compound and at least one titanium compound, wherein the difunctional compound is a mono-, di- or multi-halogenated alcohol or phenol having from 2 to 20 carbon atoms; or a mono-, di- or multi-halogenated acyl halide having from 2 to 20 carbon atoms. Also, a process for preparing the catalyst component and use thereof.


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