Patents by Inventor Junfei Du

Junfei Du 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).

  • DRUG-LOADED MEDICAL INSTRUMENT AND PREPARATION METHOD THEREFOR
    Publication number: 20240131311
    Abstract: The present application relates to the field of pharmaceutical technology, in particular, to a drug-loaded medical device, including a medical device body and at least one drug coating, the drug coating is attached to at least one side of a surface of the medical device body. The main component of the drug coating includes a macrolide drug. The drug coating includes elongated prismatic crystals each with at least three lateral edges, and/or the drug coating includes crystal clusters of the elongated prismatic crystals each with at least three lateral edges. An aspect ratio of each elongated prismatic crystal is in a range from 1:1 to 40:1.
    Type: Application
    Filed: January 24, 2022
    Publication date: April 25, 2024
    Inventors: Meng LI, Qiran DU, Junfei LI
  • Potty training
    Patent number: D945576
    Type: Grant
    Filed: May 25, 2020
    Date of Patent: March 8, 2022
    Inventor: Junfei Du