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Shidong DING

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Well drilling acceleration tool
    • Patent number 11,920,437
    • Issue date Mar 5, 2024
    • China Petroleum and Chemical Corporation
    • Haiping Zhang
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    POLYMER, THICKENING AGENT, AND PREPARATION METHOD THEREFOR
    • Publication number 20240376242
    • Publication date Nov 14, 2024
    • China Petroleum and Chemical Corporation
    • Shidong DING
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    WELL DRILLING ACCELERATION TOOL
    • Publication number 20230003084
    • Publication date Jan 5, 2023
    • China Petroleum and Chemical Corporation
    • Haiping ZHANG
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MULTIPHASE PARTICLE, MANUFACTURING PROCESS AND USE THEREOF
    • Publication number 20210269360
    • Publication date Sep 2, 2021
    • China Petroleum and Chemical Corporation
    • Xuepeng LIU
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...