Patents by Inventor Ruifeng ZHU

Ruifeng ZHU 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).

  • Bio-based Waterproof and Oil-proof Wrapping Paper and Preparation Method Thereof
    Publication number: 20230323602
    Abstract: The present disclosure discloses a bio-based waterproof and oil-proof wrapping paper and a preparation method thereof, and belongs to the field of waterproof and oil-proof papers.
    Type: Application
    Filed: June 16, 2023
    Publication date: October 12, 2023
    Inventors: Zhu LONG, Ruifeng ZHU