US Patent 7182938 Cosmetic formulations comprising ZnO nanoparticles
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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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US Patent 07182938 Cosmetic formulations comprising ZnO nanoparticles US Patent 7182938 Cosmetic formulations comprising ZnO nanoparticles
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Patent Number
0718293800
Patent Number
718293800
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Patent Jurisdiction
Patent Number
071829380
Date of Patent
February 27, 2007
0Patent Application Number
110747600
Date Filed
March 9, 2005
0Official Website
Patent Primary Examiner
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Patent Jurisdiction
Patent Number
071829380
Date of Patent
February 27, 2007
0Patent Application Number
110747600
Date Filed
March 9, 2005
0Official Website
Patent Primary Examiner
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US Patent 07182938 Cosmetic formulations comprising ZnO nanoparticles
Infobox
Is a
Patent jurisdiction
Patent number
07182938
Date of patent
February 27, 2007
Patent application number
11074760
Date Filed
March 9, 2005
Patent primary examiner
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