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Ruyi Jiang
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Beijing, CN
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Patents Grants
last 30 patents
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Patent Grant
Flexible polymer, particles prepared therefrom and process for prep...
Patent number
7,867,952
Issue date
Jan 11, 2011
PetroChina Company Limited
Pingmei Wang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
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Patent Application
Flexible polymer, particles prepared therefrom and process for prep...
Publication number
20080139413
Publication date
Jun 12, 2008
Petrochina Company Limited
Pingmei Wang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...