Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 27, 2007
Patent Application Number
11074760
Date Filed
March 9, 2005
Patent Citations Received
Patent Primary Examiner
Patent 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.
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