[12] Patent
[11] Patent No.:GC0004536  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2016                32/2016  
Number of the Decision to Grant the Patent:2016/89715
Date of the Decision to Grant the Patent:18/Dec/2016

[21] Application No.:GCC/P/2008/10809

[22] Filing Date:14/5/2008

[30] Priority:

[33] State [32] Priority date [31] Priority No.
EP
31/5/2007
07010777.6

[72] Inventors:1- Pratip Sengupta،2- Johan Maria Krist،3- Hendrikus Pieter Ruinaard،4- Roelof Franciscus Gerardus Maria De Vos

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

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

  

 

  

[51]IPC:
Int. Cl.: C08J 9/00; C08L 23/00 (2006.01)

[56] Cited Documents:

-US 5428093 A (LEE SHAU-TARNG [US]) 27 June 1995
-DATABASE WPI week 199423 Thomson Scientific, London, GB; AN
1994-189068 XP002442701
-& JP 06 128403 A (NIPPON UNICAR CO LTD)
10 May 1994
-DATABASE WPI Week 200420 Thomson Scientific London, GB; AN
2004-205594 XP002442702
-&.JP 2002 338722 A (INOAC CORP KK) 27 November 2002
-WO 02072691 A (DOW CHEMICAL CO [us]; CHAUDHARY BHARAT I [US]; OWSALD THOMAS T[US]; W) 19 September 2002
-GB 1595106 A (HOECHST HOLLAND NV) 5 August 1981
 
Examiner: Bander M. Al-Thobity

[54] POLYETHYLENE FOAM
[57] Abstract: The invention is directed to polyethylene foam based on a blend comprising 95.5 - 99.5% by weight low density polyethylene and 0.5 - 4.5% by weight high density polyethylene. The invention is also directed to a process for physical foaming of a blend comprising 95.5 - 99.5% by weight low density polyethylene and 0.5 - 4.5% by weight high density polyethylene in the presence of a physical blowing agent and a nucleating agent.
No. of claims: 10     No. of figures: 2


 

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