Fen Guo

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
CaCO3/SiO2.nH2O nanocomposite particles and SiO2.nH2O hollow-struct...
- Patent number 7,485,367
- Issue date Feb 3, 2009
- Beijing University of Chemical Technology
- Jianfeng Chen
- C01 - INORGANIC CHEMISTRY
Information 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 Applicationslast 30 patents

Information Patent Application
CaCO3/SiO2 nH2O NANOCOMPOSITE PARTICLES AND SiO2 nH2O HOLLOW-STRUCT...
- Publication number 20080220255
- Publication date Sep 11, 2008
- Beijing University of Chemical Technology
- Jianfeng Chen
- C01 - INORGANIC CHEMISTRY
Information Patent Application
CaCO3/SiO2.nH2O nanocomposite particles and SiO2.nH2O hollow-struct...
- Publication number 20050170178
- Publication date Aug 4, 2005
- Jianfeng Chen
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Ultrafine Modified Aluminum Hydroxide and Its Preparation
- Publication number 20050167641
- Publication date Aug 4, 2005
- Jianfeng Chen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Method of making silica
- Publication number 20030219370
- Publication date Nov 27, 2003
- Kai Guo
- B82 - NANO-TECHNOLOGY