Patents by Inventor Yanfei CHENG

Yanfei CHENG 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).

  • COMPOSITE FOR MANUFACTURING BARRIER LAYER, BARRIER LAYER, METHOD FOR MANUFACTURING BARRIER LAYER, AND PACKAGING MATERIAL
    Publication number: 20230357564
    Abstract: A composite for manufacturing a barrier layer, a barrier layer, a method for manufacturing the barrier layer, and a packaging material are provided. Based on the total mass of the composite as 100 parts by mass, the composite includes the following components by mass: Polyhydroxyalkanoate, 70 to 96 parts by mass; polylactic acid, 1 to 15 parts by mass; modified layered silicate, 1 to 5 parts by mass; polyalkylene carbonate, 1 to 20 parts by mass; and auxiliary agent, 1.3 to 12 parts by mass.
    Type: Application
    Filed: November 21, 2022
    Publication date: November 9, 2023
    Applicant: ShenZhen YUTO Packaging Technology Co., Ltd.
    Inventors: Zhengyang MU, Zhangyan CHEN, Guocheng HAN, Yanfei CHENG, Wenxiu LI, Wei HE, Mengyao LI
  • CAT LITTER AND THE PREPARATION METHOD THEREOF
    Publication number: 20230276766
    Abstract: A type of cat litter and its preparation method are provided. The content of this cat litter is calculated according to parts by mass and includes the following components: 100 parts of plant fiber waste, 1-7 parts of bacteriostat, 1-34 parts of deodorant, 1-27 parts of agent, 1-47 parts of binder, 1-94 parts of water-absorbing agent and 20-80 parts of water, wherein the bacteriostatic agent includes a mesoporous solid base.
    Type: Application
    Filed: January 12, 2023
    Publication date: September 7, 2023
    Applicant: ShenZhen YUTO Packaging Technology Co., Ltd.
    Inventors: Zhengyang MU, Guocheng HAN, Yanfei CHENG, Yao PENG, Wei HE, Wenxiu LI, Rui GUO, Mengyao LI
  • PAPER PULP, A METHOD FOR PRODUCING PAPER PULP, AND PAPER PULP PRODUCTS
    Publication number: 20230257936
    Abstract: This application provides a paper pulp, a method for producing paper pulp, and a paper pulp product. The method for producing paper pulp includes: crushing bamboo shoot shells to obtain crushed materials; mixing the crushed materials with cooking, cooking the mixture to obtain slurry; washing the slurry to obtain waste liquid and washed slurry; purifying the washed slurry to obtain the paper pulp.
    Type: Application
    Filed: November 21, 2022
    Publication date: August 17, 2023
    Applicant: ShenZhen YUTO Packaging Technology Co., Ltd.
    Inventors: Zhangyan CHEN, Guocheng HAN, Rui GUO, Mengyao LI, Yinglong WANG, Yanfei CHENG