CHUANXIN ZHANG

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BEIJING, CN

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Patents Grantslast 30 patents

Information Patent Grant
Treatment of subterranean formations with crosslinked fluids
- Patent number 12,319,872
- Issue date Jun 3, 2025
- CNPC USA Corporation
- Lijun Lin
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

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...