[12] Patent
[11] Patent No.:GC0004532  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2016                32/2016  
Number of the Decision to Grant the Patent:2016/89675
Date of the Decision to Grant the Patent:18/Dec/2016

[21] Application No.:GC 2011-18256

[22] Filing Date:24/4/2011

[30] Priority:

[33] State [32] Priority date [31] Priority No.
EP
26/4/2010
10161041.8

[72] Inventors:1- Sirus Zarbakhsh،2- Markus Schütte،3- Marc Fricke

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

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

  

 

  

[51]IPC:
Int. Cl.: C08L81/02, B29C49/00, C08G65/26 (2006.01)

[56] Cited Documents:

-WO 2005/044889 A1 (DOW GLOBAL TECHNOLOGIES INC [US]; MOORE STANLEY E [US]; MARTIN CHARLES) 19 May 2005
-EP 0 395 316 A2 (MITSUI TOATSU CHEMICALS [JP]) 31 October 1990
-US 5 141 968 A (DIETRICH MANFRED [DE] ET AL) 25 August 1992
 
Examiner: Nouf AlNassban

[54] PROCESS FOR PREPARING POLYETHER ALCOHOLS
[57] Abstract: The invention relates to a process for preparing polyether alcohols by reacting a) aromatic amines with b) alkylene oxides in the presence of c) a catalyst, wherein the alkylene oxide b) comprises at least 90% by weight, based on the weight of the component b), of propylene oxide and an amine is used as catalyst c).
No. of claims: 8


 

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