[12] Patent
[11] Patent No.:GC0009471  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2018                56/2018  
Number of the Decision to Grant the Patent:2018/142485
Date of the Decision to Grant the Patent:27/Dec/2018

[21] Application No.:GC 2015-29855

[22] Filing Date:9/8/2015

[30] Priority:

[33] State [32] Priority date [31] Priority No.
US
12/8/2014
14/457,565

[72] Inventors:1- WANG, Qinyan, ،2- OUSKINE, Helena،3- AIFFA, Mohamed،4- BALTIMORE, Amy،5- SEVERIN, Holly،6- DEWIT, Perry,،7- CLEMENS, Steven،8- VAN ASSELDONK, Lawrence Martin Josef،9- JABER, Isam

[73] Owner: NOVA Chemicals (International) S.A., Avenue de la Gare 14, 1700 , Fribourg, Switzerland

[74] Agent: Abu-Gazaleh Intellectual Property L.L.C

  

 

  

[51]IPC:
Int. Cl.: B01J 31/22, 37/00; C08F 10/00, 2/04, 210/16, 4/654 (2006.01)

[56] Cited Documents:

-US 4 721 763 A (BAILLY JEAN C [FR] ET AL) 26 January 1988  
Examiner: Faisal Abdulla Aljardan

[54] ZIEGLER-NATTA CATALYST FOR HIGH TEMPERATURE POLYMERIZATION
[57] Abstract: The various embodiments of the invention provide, a magnesium titanium polymerization procatalyst, methods for making and using the same. The figures show x-ray diffraction, EPR and FTIR data of catalysts of this invention as well as comparative examples.
No. of claims: 30     No. of figures: 6


 

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