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Patents Grants
last 30 patents
Information
Patent Grant
Dendritic comb-shaped polymer thickening agent, preparaton of the s...
Patent number
8,822,389
Issue date
Sep 2, 2014
PetroChina Company Limited
Jianhui Luo
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Braided comb-shaped salt-resistant polymer thickening agent
Patent number
7,304,116
Issue date
Dec 4, 2007
PetroChina Company Limited
Shiyi Yuan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
DENDRITIC COMB-SHAPED POLYMER THICKENING AGENT, PREPARATON OF THE S...
Publication number
20130090269
Publication date
Apr 11, 2013
Petrochina Company Limited
Jianhui Luo
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Braided comb-shaped salt-resistant polymer thickening agent
Publication number
20060287456
Publication date
Dec 21, 2006
Petrochina Company Limited
Shiyi Yuan
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...