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Patents Grants
last 30 patents
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Patent Grant
Method of making silica
Patent number
6,827,916
Issue date
Dec 7, 2004
Beijing University of Chemical Technology
Kai Guo
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
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Patent Application
Method of making silica
Publication number
20030219370
Publication date
Nov 27, 2003
Kai Guo
B82 - NANO-TECHNOLOGY