Patents by Inventor Pinhua Yu

Pinhua Yu 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: 20230383443
    Abstract: Spun fibers and the use thereof, and a fiber spinning method. The fiber spinning method comprises extruding and spinning a spinning solution, and then sequentially subjecting a fiber precursor obtained by spinning to cooling formation, drying and stretching, wherein the method for the cooling formation comprises bringing the fiber precursor into contact with a fluid at a temperature of no more than ?10° C. Polyethylene spun fibers obtained by means of the fiber spinning method have a breaking strength of 40 CN/dtex or more and a modulus of 1400 CN/dtex or more.
    Type: Application
    Filed: October 22, 2021
    Publication date: November 30, 2023
    Inventors: Fanmin KONG, Yunsheng ZHAO, Pinhua YU, Ye ZHANG, Li XU, Xiaolian WU, Hao SU
  • Publication number: 20220032230
    Abstract: The present invention discloses a method for removing carbon dioxide from a reaction gas. The present invention fully utilizes the available heat in each part of the carbon dioxide removal system to reduce external heat exchange, and thereby significantly reduces the carbon dioxide content in the gas returned to the reactor, and also greatly reduces the steam consumption during the regeneration of the rich decarburizing solution. The present invention also discloses a system for removing carbon dioxide from the reaction gas and use thereof.
    Type: Application
    Filed: September 22, 2021
    Publication date: February 3, 2022
    Inventors: Xiangyun Wang, Haitao Li, Ye Zhang, Li Xu, Yunsheng Zhao, Xiaolian Wu, Pinhua Yu
  • Patent number: D591647
    Type: Grant
    Filed: May 1, 2008
    Date of Patent: May 5, 2009
    Inventors: Shenguang Wang, Gang Chen, Yasuaki Ishida, Changhong Song, Hongliang Lian, Cheng Liu, Pinhua Yu