EP 2477615 A2 20120725 - ENCAPSULATION USING WAX-TYPE SUBSTANCES
Title (en)
ENCAPSULATION USING WAX-TYPE SUBSTANCES
Title (de)
VERKAPSELUNG UNTER VERWENDUNG VON WACHSARTIGEN SUBSTANZEN
Title (fr)
ENCAPSULATION PAR UTILISATION DE SUBSTANCES DE TYPE CIRES
Publication
Application
Priority
- EP 09011748 A 20090915
- EP 2010063328 W 20100910
- EP 10750146 A 20100910
Abstract (en)
[origin: EP2295044A1] Producing stable capsules, at least comprises: (a) providing at least a wax-like substance; (b) homogeneous mixing of a substance to be encapsulated with at least one wax-like substance; (c) dispersing the mixture of step (b) in an aqueous solution using at least one dispersant; and (d) cooling and diluting the dispersion of step (c). Independent claims are also included for: (1) capsules comprising at least one wax-like substance and a substance to be encapsulated. The capsules have maximum diameter of less than 1 mu m, preferably less than 0.25 mu m; and (2) an aqueous dispersion, comprising the capsule and at least one dispersant.
IPC 8 full level
A61K 9/50 (2006.01); A61K 31/275 (2006.01)
CPC (source: EP US)
A61K 9/5026 (2013.01 - EP US); A61K 31/275 (2013.01 - EP US)
Citation (search report)
See references of WO 2011032896A2
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 SE SI SK SM TR
DOCDB simple family (publication)
EP 2295044 A1 20110316; CN 102481262 A 20120530; EP 2477615 A2 20120725; US 2012164204 A1 20120628; WO 2011032896 A2 20110324; WO 2011032896 A3 20110721
DOCDB simple family (application)
EP 09011748 A 20090915; CN 201080040885 A 20100910; EP 10750146 A 20100910; EP 2010063328 W 20100910; US 201013392938 A 20100910