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Ping Zhao
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Katy, TX, US
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last 30 patents
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Patent Grant
Non-ionic alkali polymer solutions for enhanced oil recovery in a s...
Patent number
8,573,299
Issue date
Nov 5, 2013
Chevron U.S.A. Inc.
Varadarajan Dwarakanath
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
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Patent Application
NON-IONIC ALKALI POLYMER SOLUTIONS FOR ENHANCED OIL RECOVERY IN A S...
Publication number
20120097389
Publication date
Apr 26, 2012
Chevron U.S.A. Inc.
Varadarajan DWARAKANATH
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...