US Patent 6869596 Ultraviolet light screening compositions
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Patent abstract
A UV screening composition comprising particles which are capable of absorbing UV light so that electrons and positively charged holes are formed within the particles, characterised in that the particles are adapted to minimise migration to the surface of the particles of the electrons and/or the positively charged holes when said particles are exposed to UV light in an aqueous environment.
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Patent Inventor Names
Gareth Wakefield0
John Sebastian Knowland0
Peter James Dobson0
Date of Patent
March 22, 2005
0Patent Application Number
097012130
Date Filed
May 27, 1999
0Patent Primary Examiner
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US Patent 6869596 Ultraviolet light screening compositions
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