[12] Patent
[11] Patent No.:GC0004570  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2016                32/2016  
Number of the Decision to Grant the Patent:2016/90189
Date of the Decision to Grant the Patent:27/Dec/2016

[21] Application No.:GCC/P/2008/10031

[22] Filing Date:26/1/2008

[30] Priority:

[33] State [32] Priority date [31] Priority No.
DE
29/1/2007
102007004350.5

[72] Inventors:1- Dr. Klaus Huthmacher،2- Andreas Dorflein،3- Dr. Christoph Weckbecker،4- Dr. Hubert Redlingshofer

[73] Owner: Evonik Degussa GmbH, Rellinghauser Strasse 1-11, Essen 45128, Germany

[74] Agent: Suleiman I. Al-Ammar Law Office

  

 

  

[51]IPC:
Int. Cl.: B01J 21/16, 21/20, 23/30, 23/652, 23/888, 23/90, 23/96, 29/076, 35/00, 37/04; C07C 45/52 (2006.01)

[56] Cited Documents:

-US 2006/091045 Al (FIGUERAS FRANCOIS [FR] ET AL) 4 May 2006
-US 5 608 133 A (CHANG CLARENCE D [US] ET AL) 4 March 1997
 
Examiner: Eng. Ebrahim AlQurashi

[54] PROCESS FOR REGENERATING A CATALYST USED IN THE PREPARATION OF ACROLEIN FROM GLYCEROL
[57] Abstract: The invention relates to a process for regenerating acatalyst used in the preparation of acrolein from glycerol,which comprises tungsten compounds and has acidicproperties and at least one promoter.
No. of claims: 13


 

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