Yun Jimmy

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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

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
Process for preparing perovskite-type crystalline compound powders
- Publication number 20060045840
- Publication date Mar 2, 2006
- Jianfeng Chen
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Hollow-structured mesoporous silica material and preparation process
- Publication number 20050244322
- Publication date Nov 3, 2005
- 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