Global Patent Index - EP 3713538 A4

EP 3713538 A4 20210707 - WATER IN OIL EMULSIFIER COMPOSITION AND THE USE THEREOF

Title (en)

WATER IN OIL EMULSIFIER COMPOSITION AND THE USE THEREOF

Title (de)

WASSER-IN-ÖL-EMULGATORZUSAMMENSETZUNG UND DEREN VERWENDUNG

Title (fr)

COMPOSITION D'ÉMULSIFIANT EAU DANS HUILE ET SON UTILISATION

Publication

EP 3713538 A4 20210707 (EN)

Application

EP 17932010 A 20171120

Priority

CN 2017111844 W 20171120

Abstract (en)

[origin: WO2019095364A1] An emulsifier composition comprising (A) A primary emulsifier selected from alkyl and polyether modified polysiloxane emulsifiers, wherein the emulsifier has an HLB value of less than 12; (B) A co-emulsifier, wherein the co-emulsifier is an ester formed by a polyether polyol or polyol with a C1-C22 fatty acid, and has an HLB value from 4 to 13; and optionally (B') An additional emulsifier ingredient; and optionally (C) A particle selected from silica particles and metal salts of a fatty acid with 8-22 carbon atoms. The composition enables preparation of a stable W/O emulsion in just one-step. A use of the emulsifier composition, a stable W/O emulsion and the preparation process thereof is also provided.

IPC 8 full level

A61K 8/06 (2006.01); A61K 8/34 (2006.01); A61K 8/37 (2006.01); A61K 8/86 (2006.01); A61K 8/891 (2006.01); A61K 8/894 (2006.01); A61Q 19/00 (2006.01)

CPC (source: EP)

A61K 8/064 (2013.01); A61K 8/345 (2013.01); A61K 8/375 (2013.01); A61K 8/86 (2013.01); A61K 8/891 (2013.01); A61K 8/894 (2013.01); A61Q 19/00 (2013.01); A61K 2800/412 (2013.01); A61K 2800/413 (2013.01); A61K 2800/87 (2013.01)

Citation (search report)

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 2019095364 A1 20190523; CN 111356430 A 20200630; EP 3713538 A1 20200930; EP 3713538 A4 20210707

DOCDB simple family (application)

CN 2017111844 W 20171120; CN 201780096990 A 20171120; EP 17932010 A 20171120