Patents by Inventor Runkai WANG

Runkai WANG 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).

  • Patent number: 11390809
    Abstract: A method for preparing a soil conditioner comprises the following steps: swelling alginates in distilled water to obtain alginate gel; adding chitosan to prepare an alginate/chitosan composite material; reacting with N-isopropylacrylamide, and dissolving the obtained reaction product in water to obtain an aqueous phase; dissolving a soil conditioning material in a solvent to obtain an oil phase; mixing the oil phase with the aqueous phase, and performing stirring reaction and centrifugal separation to prepare the product. Compared with the prior art, the present invention implements conditioning and intelligent controlled release of soil by means of molecular structure design and composition control.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: July 19, 2022
    Assignee: SHANGHAI UNIVERSITY OF ENGINEERING SCIENCE
    Inventors: Jincheng Wang, Pinhua Rao, Sihao Chen, Runkai Wang, Xuebin Wang
  • Publication number: 20200270523
    Abstract: A method for preparing a soil conditioner comprises the following steps: swelling alginates in distilled water to obtain alginate gel; adding chitosan to prepare an alginate/chitosan composite material; reacting with N-isopropylacrylamide, and dissolving the obtained reaction product in water to obtain an aqueous phase; dissolving a soil conditioning material in a solvent to obtain an oil phase; mixing the oil phase with the aqueous phase, and performing stirring reaction and centrifugal separation to prepare the product. Compared with the prior art, the present invention implements conditioning and intelligent controlled release of soil by means of molecular structure design and composition control.
    Type: Application
    Filed: March 1, 2018
    Publication date: August 27, 2020
    Inventors: Jincheng WANG, Pinhua RAO, Sihao CHEN, Runkai WANG, Xuebin WANG