Cubic liquid crystalline compositions and methods for their...

Details Cubic liquid crystalline compositions and methods for their... Cubic liquid crystalline compositions and methods for their...

C - Chemistry, Metallurgy

09

K

C09K 19/00 (2006.01) A01N 25/04 (2006.01) A61K 8/02 (2006.01) A61K 9/10 (2006.01) A61K 9/127 (2006.01)

Patent

CA 2411918

Cubic liquid crystalline gel precursors, bulk cubic liquid crystalline gels, and dispersions of cubic liquid crystalline gel particles, and methods for their preparation, are disclosed. The precursors, gels, and dispersions can be used as skin penetration enhancers. The precursors, gels, and dispersions are prepared by methods employing hydrotropes that do not detrimentally affect the cubic liquid crystalline structure of the gels and particles.

Cette invention a trait à des précurseurs de gels cristallins liquides cubiques, à des gels cristallins liquide cubiques en vrac ainsi qu'à des dispersions de particules de gel cristallin liquide cubique et aux procédés permettant de les produire. Il est possible d'utiliser ces précurseurs, ces gels et ces dispersions comme renforçateurs de pénétrateurs de la peau. On prépare ces précurseurs, ces gels et ces dispersions grâce à des procédés faisant intervenir des hydrotopes n'ayant pas d'incidence dommageable sur la structure cristalline liquide cubique des gels et des particules.

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