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Nancy Chun ZHOU
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Sugar Land, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Composition and method for improving the production of petroleum hy...
Patent number
12,325,824
Issue date
Jun 10, 2025
CNPC USA Corporation
Jiangshui Huang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Delayed gelation polymer system for high temperature and high salin...
Patent number
12,049,588
Issue date
Jul 30, 2024
CNPC USA Corporation
Meng Lu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Composition and method for improving the production of petroleum hy...
Patent number
11,851,612
Issue date
Dec 26, 2023
CNPC USA Corporation
Jiangshui Huang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Nonionic surfactants employed with extended chain as the oil displa...
Patent number
11,649,395
Issue date
May 16, 2023
CNPC USA Corporation
Nancy Chun Zhou
E21 - EARTH DRILLING MINING
Information
Patent Grant
Composition and method for improving the production of petroleum hy...
Patent number
11,499,091
Issue date
Nov 15, 2022
CNPC USA Corporation
Jiangshui Huang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
Composition and Method for Improving the Production of Petroleum Hy...
Publication number
20240228862
Publication date
Jul 11, 2024
CNPC USA CORPORATION
Jiangshui Huang
E21 - EARTH DRILLING MINING
Information
Patent Application
Di-Alkyl Chain Surfactants as a Main Surfactant for Enhancing Oil R...
Publication number
20230295515
Publication date
Sep 21, 2023
CNPC USA CORPORATION
Nancy Chun Zhou
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Delayed Gelation Polymer System For High Temperature and High Salin...
Publication number
20230265335
Publication date
Aug 24, 2023
CNPC USA CORPORATION
Meng Lu
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Composition and Method for Improving the Production of Petroleum Hy...
Publication number
20230069858
Publication date
Mar 9, 2023
CNPC USA CORPORATION
Jiangshui HUANG
E21 - EARTH DRILLING MINING
Information
Patent Application
Nonionic Surfactants Employed with Extended Chain as the Oil Displa...
Publication number
20230046909
Publication date
Feb 16, 2023
CNPC USA CORPORATION
Nancy Chun Zhou
E21 - EARTH DRILLING MINING
Information
Patent Application
Composition and Method for Improving the Production of Petroleum Hy...
Publication number
20220081609
Publication date
Mar 17, 2022
CNPC USA CORPORATION
Jiangshui HUANG
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Nonionic Surfactants Employed with Extended Chain as the Oil Displa...
Publication number
20210292636
Publication date
Sep 23, 2021
CNPC USA CORPORATION
Nancy Chun ZHOU
E21 - EARTH DRILLING MINING