(19)
(11) EP 3 080 078 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
07.06.2017 Bulletin 2017/23

(45) Mention of the grant of the patent:
12.04.2017 Bulletin 2017/15

(21) Application number: 14815617.7

(22) Date of filing: 10.12.2014
(51) International Patent Classification (IPC): 
C07C 303/16(2006.01)
(86) International application number:
PCT/EP2014/077139
(87) International publication number:
WO 2015/086645 (18.06.2015 Gazette 2015/24)

(54)

PROCESS FOR PREPARING ALKANESULFONIC ACIDS

VERFAHREN ZUR HERSTELLUNG VON ALKANSULFONSÄUREN

PROCÉDÉ DE PRÉPARATION D'ACIDES ALCANESULFONIQUES

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 11.12.2013 WO PCT/CN2013/089136

(43) Date of publication of application:
19.10.2016 Bulletin 2016/42

(73) Proprietor: Evonik Degussa GmbH
45128 Essen (DE)

(72) Inventors:
  • FONFE, Benjamin
    60318 Frankfurt (DE)
  • JAKOB, Harald
    63594 Hasselroth (DE)
  • HE, Chuanhua
    Area, Changshu Jiangsu 215533 (CN)
  • DÖRFLEIN, Andreas
    63538 Großkrotzenburg (DE)
  • FUSS, Sebastian
    36103 Flieden (DE)


(56) References cited: : 
WO-A1-98/34914
US-A- 2 697 722
 US-A- 2 433 396
US-A- 2 727 920
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).