(19)
(11) EP 3 713 538 A1

(12)

(43) Date of publication:
30.09.2020 Bulletin 2020/40

(21) Application number: 17932010.6

(22) Date of filing: 20.11.2017
(51) International Patent Classification (IPC): 
A61K 8/06(2006.01)
A61K 8/894(2006.01)
 A61K 8/37(2006.01)
(86) International application number:
PCT/CN2017/111844
(87) International publication number:
WO 2019/095364 (23.05.2019 Gazette 2019/21)
(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
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(71) Applicants:
  • Evonik Operations GmbH
    45128 Essen (DE)
  • Evonik Specialty Chemicals (Shanghai) Co., Ltd.
    Shanghai 201507 (CN)

(72) Inventors:
  • WANG, Lu
    Qingdao, Shandong Province (CN)
  • SUN, Yi
    Shanghai 201108 (CN)
  • WANG, Xiaoling
    Shanghai 201108 (CN)
  • FRIEDRICH, Achim
    45529 Hattingen (DE)
  • WANG, Yan
    Shanghai (CN)
  • DU, Heliang
    Hanyang District, Wuhan, Hubei Province (CN)
  • MEYER, Juergen
    45259 Essen (DE)
  • WENK, Hans Henning
    45470 Mülheim an der Ruhr (DE)

(74) Representative: Evonik Patent Association 
c/o Evonik Industries AG IP Management Bau 1042A/PB 15 Paul-Baumann-Straße 1
45772 Marl
45772 Marl (DE)

   


(54) WATER IN OIL EMULSIFIER COMPOSITION AND THE USE THEREOF