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Beijing, CN
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Patents Grants
last 30 patents
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Patent Grant
Phosphor, its preparation method and light emitting devices using t...
Patent number
7,955,524
Issue date
Jun 7, 2011
General Research Institute for Nonferrous Metals, Beijing
Weidong Zhuang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aluminate phosphor containing bivalence metal elements, its prepara...
Patent number
7,850,869
Issue date
Dec 14, 2010
General Research Institute for Nonferrous Metals
Weidong Zhuang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
Phosphor, its preparation method and light emitting devices using t...
Publication number
20090050918
Publication date
Feb 26, 2009
GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS, BEIJING
Weidong Zhuang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...