[12] Patent
[11] Patent No.:GC0004490  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2016                32/2016  
Number of the Decision to Grant the Patent:2016/88855
Date of the Decision to Grant the Patent:04/Dec/2016

[21] Application No.:GCC/P/2008/10591

[22] Filing Date:14/4/2008

[30] Priority:

[33] State [32] Priority date [31] Priority No.
US
20/4/2007
11/788,598

[72] Inventors:1- Michael F. McDonald،2- Scott T. Milner،3- Timothy D. Shaffer،4- Robert N. Webb

[73] Owner: ExxonMobil Chemical Patents Inc, 5200 Bayway Drive, Baytown, Texas, USA

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

  

 

  

[51]IPC:
Int. Cl.: C08F 10/10, C08F 10/14, C08F 6/00 (2007.01)

[56] Cited Documents:

-WO 2006/009550 A (EXXONMOBIL CHEM PATENTS INC [US]; SHAFFER TIMOTHY D [US]; MILNER SCOTT ) 26 January 2006  
Examiner: Bander M. Al-Thobity

[54] SEPARATION OF POLYMER SLURRIES
[57] Abstract: Methods for producing elastomers or elastomeric compositions are provided. One or more C4 to C7 isoolefins and one or more comonomers can be polymerized in the presence of a diluent comprising one or more hydrofluorocarbons to provide a slurry comprising polymer product, unreacted monomer and the diluent. The slurry can be extruded to separate at least a portion of the diluent from the polymer product. The separated diluent can be recycled for polymerizing the one or more C4 to C7 isoolefins
No. of claims: 47     No. of figures: 4


 

Note: Any interested individual may, within 3 months of publication of the grant, file objection thereof with the Grievance Committee after payment of grievance fees.