[12] Patent
[11] Patent No.:GC0011213  
[45] Date of Publishing the Grant of the Patent: 31/May /2020                70/2020  
Number of the Decision to Grant the Patent:2020/167626
Date of the Decision to Grant the Patent:28/May/2020

[21] Application No.:GCC/P/2008/10797

[22] Filing Date:12/5/2008

[30] Priority:

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

[72] Inventors:1- Elizabeth A. Benham،2- Max P. McDaniel،3- Randall S. Muninger

[73] Owner: Chevron Phillips Chemical Company LP, 10001 Six Pines Drive, The Woodlands, Texas 77380, USA

[74] Agent: Saud M. A. Shawwaf Law Office




Int. Cl.: C08F 10/00, 4/00, 4/69 (2006.01)

[56] Cited Documents:

-T. HOCHMANN, K. SETINEK: Preparation of strong acid catalyst by sulfate treatment of calcined Boehmite COOLECT CZECH. CHEM. COMM., vol. 57, 31 December 1992
-US 2007/060722 A1 (JAYARATNE KUMUDINI C |[US] ET AL) 15 March 2007
-EP 0 925 830 A (JAPAN ENERGY CORP [JP ]) 30 June 1999
Examiner: Faisal Abdulla Aljardan

[57] Abstract: The present disclosure relates to catalyst compositions. More specifically, the present disclosure relates to methods of preparing polymerization catalyst compositions. A method of preparing a composition comprising dry mixing commercial grade alumina and a solid sulfating agent to form a mixture and calcining the mixture to form a sulfated alumina support.
No. of claims: 18


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