[12] Patent
[11] Patent No.:GC0009226  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2018                56/2018  
Number of the Decision to Grant the Patent:2018/140676
Date of the Decision to Grant the Patent:02/Dec/2018

[21] Application No.:GC 2013-25541

[22] Filing Date:9/10/2013

[30] Priority:

[33] State [32] Priority date [31] Priority No.

[72] Inventors:1- Maurer, Stefan،2- Özkirim, Faruk،3- Parvulescu, Andrei-Nicolae ،4- phil. Yang, Jeff،5- Müller, Ulrich

[73] Owner: BASF SE, 67056 , Ludwigshafen, Germany

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




Int. Cl.: B01J 29/70; C01B 39/02, 39/46 (2006.01)

[56] Cited Documents:

-EP 0690024 A2 (ARCO CHEM TECH [US]) 03 January 1996  
Examiner: Ohoud Matar Jamaan Al-Anazi

[57] Abstract: A process for the post-treatment of a zeolitic material, the process comprising (i) providing a zeolitic material, wherein the framework structure of the zeolitic material comprises YO2 and X2O3, wherein Y is a tetravalent element and X is a trivalent element; (ii) subjecting the zeolitic material provided in (i) to a method comprising (a) treating the zeolitic material with an aqueous solution having a pH of at most 5, (b) treating the zeolitic material obtained from (a) with a liquid aqueous system having a pH in the range of 5.5 to 8 and a temperature of at least 75 °C; wherein in (ii) and after (b), the zeolitic material is optionally subjected to at least one further treatment according to (a) and/or at least one further treatment according to (b).
No. of claims: 18


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