[12] Patent
[11] Patent No.:GC0009464  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2018                56/2018  
Number of the Decision to Grant the Patent:2018/142347
Date of the Decision to Grant the Patent:25/Dec/2018

[21] Application No.:GC 2011-18208

[22] Filing Date:18/4/2011

[30] Priority:

[33] State [32] Priority date [31] Priority No.

[72] Inventors:1- Lei Zhang ،2- William L. Gauthier

[73] Owner: Fina Technology, Inc., P.O. Box 4412, TX 77267, Houston, USA

[74] Agent: Suleiman I. Al-Ammar Law Office




Int. Cl.: C08F 4/44 (2006.01)

[56] Cited Documents:

-US 2007/0299224 A1 (VIZZINI et al.) 27 December 2007
-US 6,174,971 81 (CHEN et al.) 16 January 2001
-US 2007/0093378 A1 (THORMAN) 26 April2007
-US 2009/0203856 A1 (VIZZINI et al.) 13August 2009
-US 2005/0209094 A1 (KNOEPPEL et at.) 22 September 2005
Examiner: Saja Mohammed AlHassan

[57] Abstract: Methods of forming a catalyst, catalysts, polymerization processes and polymers formed therefrom are described herein. The method of forming a catalyst generally includes contacting an alkyl magnesium compound with an alcohol to form a magnesium alkoxide compound; contacting the magnesium alkoxide compound with a first titanium alkoxide and a first agent to form a reaction product A, wherein the titanium alkoxide and the first agent are nonblended individual components prior to contacting the magnesium alkoxide; and sequentially contacting the reaction product A with a second agent, followed by a third agent, and subsequently a first reducing agent to form a catalyst component.
No. of claims: 30     No. of figures: 7


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