Patents by Inventor Linfeng HANG

Linfeng HANG 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).

  • Pollen polysaccharide extract and application thereof in plant growth
    Patent number: 11732056
    Abstract: A pollen polysaccharide extract prepared by the following method: mixing rape pollen with water, then heating and stirring for extraction, filtering, mixing filtrates, adding chitosan to a resulting filtrate to obtain a liquid to be clarified, keeping the liquid to be clarified at 60-80° C. for at least 1 h, cooling and allowing to stand, and performing solid-liquid separation to obtain a liquid, namely the pollen polysaccharide extract.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: August 22, 2023
    Assignee: CHENGDU NEWSUN CROP SCIENCE CO., LTD.
    Inventors: Qiming He, Shaojun Zhan, Jin Huang, Yuzhu Li, Chuting Du, Ke Liu, Huihui Wang, Huilin Li, Yanling Wang, Dan Wu, Dan Huang, Liangzhu Kang, Linfeng Hang, Hao Yin
  • POLLEN POLYSACCHARIDE EXTRACT AND APPLICATION THEREOF IN PLANT GROWTH
    Publication number: 20230064585
    Abstract: A pollen polysaccharide extract prepared by the following method: mixing rape pollen with water, then heating and stirring for extraction, filtering, mixing filtrates, adding chitosan to a resulting filtrate to obtain a liquid to be clarified, keeping the liquid to be clarified at 60-80° C. for at least 1 h, cooling and allowing to stand, and performing solid-liquid separation to obtain a liquid, namely the pollen polysaccharide extract.
    Type: Application
    Filed: December 25, 2020
    Publication date: March 2, 2023
    Applicant: CHENGDU NEWSUN CROP SCIENCE CO., LTD.
    Inventors: Qiming HE, Shaojun ZHAN, Jin HUANG, Yuzhu LI, Chuting DU, Ke LIU, Huihui WANG, Huilin LI, Yanling WANG, Dan WU, Dan HUANG, Liangzhu KANG, Linfeng HANG, Hao YIN