(19)
(11) EP 3 755 760 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:
27.03.2024 Bulletin 2024/13

(45) Mention of the grant of the patent:
21.02.2024 Bulletin 2024/08

(21) Application number: 18707018.0

(22) Date of filing: 21.02.2018
(51) International Patent Classification (IPC): 
C09K 8/584(2006.01)
C07C 309/20(2006.01)
E21B 43/16(2006.01)
(52) Cooperative Patent Classification (CPC):
C07C 303/06; C07C 303/32; C09K 8/584; C07C 45/48; C07C 29/145; C07C 1/24; C07C 2521/04
 
C-Sets:
  1. C07C 29/145, C07C 31/125;
  2. C07C 1/24, C07C 11/02;
  3. C07C 303/32, C07C 309/20;
  4. C07C 303/06, C07C 309/20;
  5. C07C 45/48, C07C 49/04;
  6. C07C 29/145, C07C 31/02;

(86) International application number:
PCT/EP2018/054317
(87) International publication number:
WO 2019/161896 (29.08.2019 Gazette 2019/35)

(54)

PROCESSES FOR THE MANUFACTURE OF SECONDARY FATTY ALCOHOLS, INTERNAL OLEFINS AND INTERNAL OLEFIN SULFONATES

VERFAHREN ZUR HERSTELLUNG VON SEKUNDÄREN FETTALKOHOLEN, INTERNEN OLEFINEN UND INTERNEN OLEFINSULFONATEN

PROCÉDÉS DE FABRICATION D'ALCOOLS GRAS SECONDAIRES, D'OLÉFINES INTERNES ET DE SULFONATES D'OLÉFINES INTERNES


(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

(43) Date of publication of application:
30.12.2020 Bulletin 2020/53

(73) Proprietors:
  • SPECIALTY OPERATIONS FRANCE
    69003 Lyon (FR)
  • SYENSQO SA
    1130 Brussels (BE)

(72) Inventors:
  • BACK, Olivier
    69008 Lyon (FR)
  • LEROY, Rémy
    69780 Mions (FR)
  • MARION, Philippe
    69390 Vernaison (FR)

(74) Representative: Vande Gucht, Anne et al
Solvay S.A. Département de la Propriété Industrielle Rue de Ransbeek, 310
1120 Bruxelles
1120 Bruxelles (BE)


(56) References cited: : 
US-A1- 2014 335 586
US-A1- 2017 247 603
US-A1- 2014 353 250
US-B1- 9 193 650
   
  • ALBERT L. HENNE ET AL: "The Dehydration of Secondary and Tertiary Alcohols", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 66, no. 10, October 1944 (1944-10), pages 1649-1652, XP055469429, ISSN: 0002-7863, DOI: 10.1021/ja01238a012
  • CHANGXIN SHI ET AL: "Synthesis of Internal Olefin Sulfonate and its Application in Oil Recovery", ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING, vol. 39, no. 1, 31 October 2013 (2013-10-31), pages 37-41, XP055278153, Berlin/Heidelberg ISSN: 1319-8025, DOI: 10.1007/s13369-013-0841-5 cited in the application
   
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).