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Patents Grants
last 30 patents
Information
Patent Grant
Preparation methods and uses of doped VIB group metal oxide nanopar...
Patent number
10,120,106
Issue date
Nov 6, 2018
Beijing University of Chemical Technology
Zhigang Shen
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Microchannel double pipe device and usage thereof
Patent number
9,156,015
Issue date
Oct 13, 2015
Beijing Univesity of Chemical Technology
Zhigang Shen
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High-gravity reactive precipitation process for the preparation of...
Patent number
8,715,614
Issue date
May 6, 2014
Beijing University of Chemical Technology
Jianfeng Chen
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Amorphous cefuroxime axetil and preparation process therefore
Patent number
7,507,813
Issue date
Mar 24, 2009
Nanomaterials Technology PTE Ltd.
Jianfeng Chen
C07 - ORGANIC CHEMISTRY
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 Applications
last 30 patents
Information
Patent Application
Preparation Methods and Uses of Doped VIB Group Metal Oxide Nanopar...
Publication number
20160178804
Publication date
Jun 23, 2016
Beijing University of Chemical Technology
Zhigang SHEN
G02 - OPTICS
Information
Patent Application
MICROCHANNEL DOUBLE PIPE DEVICE AND USAGE THEREOF
Publication number
20120037232
Publication date
Feb 16, 2012
Zhigang Shen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR MAKING PARTICLES FOR DELIVERY OF DRUG NANOPARTICLES
Publication number
20110306539
Publication date
Dec 15, 2011
Zhigang Shen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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
Amorphous cefuroxime axetil and preparation process therefore
Publication number
20060020130
Publication date
Jan 26, 2006
Jianfeng Chen
C07 - ORGANIC CHEMISTRY
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
Process for preparing a strontium titanate powder
Publication number
20050186133
Publication date
Aug 25, 2005
Jianfeng Chen
B82 - NANO-TECHNOLOGY
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
High-gravity reactive precipitation process for the preparation of...
Publication number
20050019248
Publication date
Jan 27, 2005
Beijing University of Chemical Technology
Jianfeng Chen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Calcium carbonate of different shapes and the preparation process t...
Publication number
20040234443
Publication date
Nov 25, 2004
Jianfeng Chen
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES