COSMETIC FORMULATIONS COMPRISING ZnO NANOPARTICLES

Title:

COSMETIC FORMULATIONS COMPRISING ZnO NANOPARTICLES

Document Type and Number:

WIPO Patent Application WO2005104213

Kind Code:

A3

Abstract:

The present invention relates to the formation of surface treated zinc oxide and titania particles, and in particular zinc oxide and titania nanoparticles, with a siloxane star-graft copolymer coating, comprising a looped and/or linear polymeric structure on a star-graft copolymer coating, on a particle surface to control the interfacial surface interactions between the particle and the oil phase of the cosmetic skin formulation.

Inventors:

ANDRE VALERIE (DE)
BROTZMAN RICHARD W JR (US)

Application Number:

PCT/US2005/007779

Publication Date:

September 21, 2006

Filing Date:

March 09, 2005

Export Citation:

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Assignee:

BASF AG (DE)
ANDRE VALERIE (DE)
BROTZMAN RICHARD W JR (US)

International Classes:

A61K8/02; A61K8/04; A61K8/11; A61K8/27; A61K8/29; A61K8/91; A61Q17/04; A61Q19/04; B32B18/00; C09C1/04; C09C1/36; H01L21/4763; H01L23/52

Foreign References:

US5993967A

1999-11-30

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