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Patents Grantslast 30 patents

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
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 Applicationslast 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
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
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
Treatment of subterranean formations with crosslinked fluids
- Publication number 20220081611
- Publication date Mar 17, 2022
- CNPC USA CORPORATION
- Lijun LIN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...