[12] Patent
[11] Patent No.:GC0009390  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2018                56/2018  
Number of the Decision to Grant the Patent:2018/141777
Date of the Decision to Grant the Patent:17/Dec/2018

[21] Application No.:GC 2015-29585

[22] Filing Date:18/6/2015

[30] Priority:

[33] State [32] Priority date [31] Priority No.
EP
20/6/2014
14173358.4

[72] Inventors:1- DANIEL, Berian ،2- SUNLEY, John Glenn ،3- TAYLOR, Russell Alan،4- Gareth Gerald Armitage

[73] Owner: BP CHEMICALS LIMITED, Chertsey Road, Sunbury on Thames, TW16 7BP, Middlesex , United Kingdom

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

  

 

  

[51]IPC:
Int. Cl.: C07C 27/00, 41/09, 51/09 (2006.01)

[56] Cited Documents:

-WO 2011027105 A1 (BP CHEM INT LTD [GB]; DANIEL BERIAN JOHN [GB]; LAW DAVID JOHN [GB]; SU) 10 March 2011  
Examiner: Rami Al-Ghamdi

[54] IMPROVED CATALYTIC PERFORMANCE IN PROCESSES FOR PREPARING ACETIC ACID
[57] Abstract: In processes for the hydrolysis of a methyl acetate with at least one of water and methanol in the presence of at least one Brønsted acid catalyst to produce acetic acid the performance of the catalyst is improved by using a methyl acetate feed in which the total amount of acetaldehyde and 1,1 dimethoxyethane impurities is maintained at 100 ppm wt or less calculated as mass equivalents of acetaldehyde.
No. of claims: 18


 

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