[12] Patent
[11] Patent No.:GC0004531  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2016                32/2016  
Number of the Decision to Grant the Patent:2016/89672
Date of the Decision to Grant the Patent:18/Dec/2016

[21] Application No.:GCC/P/2009/13808

[22] Filing Date:30/6/2009

[30] Priority:

[33] State [32] Priority date [31] Priority No.
EP
18/7/2008
08012990.1

[72] Inventor: Nicolaas Hendrika Friederichs

[73] Owner: Saudi Basic Industries Corporation , P.O.BOX 5101, 11422, Riyadh, Saudi Arabia

[74] Agent: Saba & Co. T.M.P

  

 

  

[51]IPC:
Int. Cl.: C08F 4/64, 4/642, 4/654 (2006.01)

[56] Cited Documents:

-EP 0 317 200 A (NIPPON OIL CO LTD [JP]) 24 May 1989  
Examiner: Bander M. Al-Thobity

[54] PROCESS FOR THE PRODUCTION OF POLYETHYLENE
[57] Abstract: The invention relates to a catalyst for the production of polyethylene comprising a solid reaction product obtained by reaction of: (a) a hydrocarbon solution comprising(1) an organic oxygen containing magnesium compound and (2) an organic oxygen containing titanium compound and (b) a compound comprising a transition metal from Group IV or V of Mendeleev's Periodic System of Chemical Elements and containing at least two halogen atoms Preferably the catalyst is applied during the polymerisation of ethylene to obtain ultra high molecular weight polyethylene and to obtain bimodal polyethylene.. Preferably the catalyst is applied during the polymerisation of ethylene to obtain ultra high molecular weight polyethylene and to obtain bimodal polyethylene.
No. of claims: 14


 

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