Patents by Inventor Rou Chen

Rou 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).

  • Multifunctional controllable multi-layer co- extruded biodegradable mulching film and preparation method thereof
    Patent number: 12207595
    Abstract: A multifunctional controllable multi-layer co-extruded biodegradable mulching film and a preparation method thereof. The multifunctional controllable multi-layer co-extruded biodegradable mulching film sequentially includes a skeleton layer, a functional layer and a controlled release layer from top to bottom; the skeleton layer, functional layer and controlled release layer are all based on PBAT and PLA (polylactic acid) resin; the raw materials of the skeleton layer also include reinforcing and toughening master batches; the raw materials of the functional layer also include functional master batches; the raw materials of the controlled release layer also include starch-based derivatives. The mulching film is prepared by multi-layer co-extrusion technology.
    Type: Grant
    Filed: July 3, 2024
    Date of Patent: January 28, 2025
    Assignee: Shandong Agricultural University
    Inventors: Tangyuan Ning, Zhen Liu, Geng Li, Renzheng Zhang, Zihan Gai, Rou Chen, Deheng Zhang, Zihua Zhou, Qinglin Zhang