Patents by Inventor Weining QIN

Weining QIN 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).

  • Publication number: 20240092663
    Abstract: The present disclosure relates to the field of water treatment technologies, and in particular to a treatment method of a leachate from hazardous waste landfill site. The key points of the technical scheme were as follows: adding sodium carbonate to the leachate to obtain a calcium carbonate residue and a first waste liquid; adding hydrochloric acid to the first waste liquid to obtain a first mixed solution; heating the first mixed solution and introducing a given amount of chlorine gas into the first mixed solution while introducing air, to obtain a second waste liquid and a first mixed gas; introducing the first mixed gas into an alkaline liquid absorption tower; heating the second waste liquid to obtain an evaporation condensate water and a concentrated liquid; centrifuging the concentrated liquid to obtain a sodium chloride wet salt and a centrifuged liquid.
    Type: Application
    Filed: December 29, 2021
    Publication date: March 21, 2024
    Inventors: Wenbiao WU, Wenbin XU, Menglan XU, Weining QIN
  • Publication number: 20100152299
    Abstract: A process for preparing solid dosage forms that contain poorly compressible therapeutic compound. The process, for example, provides for the inventive use of an extruder, especially a twin screw extruder, to melt granulate a therapeutic compound(s) with a granulation excipient.
    Type: Application
    Filed: May 8, 2006
    Publication date: June 17, 2010
    Inventors: Madhav Vasanthavada, Jay Lakshman, Wein-Qin Tong, Abu T. Serajuddin, Yatindra Joshi, James Kowalsi