Patents by Inventor Fengfei CHEN

Fengfei CHEN has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Nitrogen-containing diesel solidification point depressant composition, and preparation and application thereof
    Patent number: 11999919
    Abstract: The present invention relates to a nitrogen-containing diesel solidification point depressant composition, and preparation and application thereof. The nitrogen-containing diesel solidification point depressant composition includes the following components in percentage by weight: 10-40% of monoisopropanolamine; 10-40% of cyclohexane; 0-20% of polyethylene glycol; and 40-60% of N-tetradecyl methacrylamide-tetradecyl methacrylate. After the prepared diesel solidification point depressant composition is added to commercially available 0 #diesel, a solidification point and a cold filter plugging point of the diesel are respectively depressed by 21-25° C. and 9-13° C.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: June 4, 2024
    Assignee: SHANGHAI INSTITUTE OF TECHNOLOGY
    Inventors: Sheng Han, Hualin Lin, Suya Yin, Xin Li, Mingxia Yuan, Maiying Xie, Fengfei Chen, Taishun Yang
  • Nitrogen-containing Diesel Solidification Point Depressant Composition, and Preparation and Application Thereof
    Publication number: 20230220292
    Abstract: The present invention relates to a nitrogen-containing diesel solidification point depressant composition, and preparation and application thereof. The nitrogen-containing diesel solidification point depressant composition includes the following components in percentage by weight: 10-40% of monoisopropanolamine; 10-40% of cyclohexane; 0-20% of polyethylene glycol; and 40-60% of N-tetradecyl methacrylamide-tetradecyl methacrylate. After the prepared diesel solidification point depressant composition is added to commercially available 0 #diesel, a solidification point and a cold filter plugging point of the diesel are respectively depressed by 21-25° C. and 9-13° C.
    Type: Application
    Filed: May 27, 2021
    Publication date: July 13, 2023
    Applicant: SHANGHAI INSTITUTE OF TECHNOLOGY
    Inventors: Sheng HAN, Hualin LIN, Suya YIN, Xin LI, Mingxia YUAN, Maiying XIE, Fengfei CHEN, Taishun YANG