Patents by Inventor Hongxiao YAN

Hongxiao YAN 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).

  • Method for preparing iodine-doped TiOnano-catalyst and use thereof in heterogeneously catalyzing configuration transformation of trans-carotenoids
    Patent number: 9656250
    Abstract: The present invention relates to a method for preparing an iodine-doped TiO2 nano-catalyst and use of the catalyst in heterogeneously catalyzing configuration transformation of trans-carotenoids. The iodine-doped TiO2 nano-catalyst is prepared by a sol-gel process using a titanate ester as a precursor and an iodine-containing compound as a dopant in the presence of a diluent, inhibitor and complexing agent. The catalyst exhibits high activity for isomerization of the trans-carotenoids into their cis-isomers within a short catalytic time. The catalyst can be easily prepared and is highly efficient, economical, recyclable and environmentally friendly.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: May 23, 2017
    Assignee: JIANGNAN UNIVERSITY
    Inventors: Lianfu Zhang, Qingrui Sun, Hongxiao Yan
  • METHOD FOR PREPARING IODINE-DOPED TIO2 NANO-CATALYST AND USE THEREOF IN HETEROGENEOUSLY CATALYZING CONFIGURATION TRANSFORMATION OF TRANS-CAROTENOIDS
    Publication number: 20160158736
    Abstract: The present invention relates to a method for preparing an iodine-doped TiO2 nano-catalyst and use of the catalyst in heterogeneously catalyzing configuration transformation of trans-carotenoids. The iodine-doped TiO2 nano-catalyst is prepared by a sol-gel process using a titanate ester as a precursor and an iodine-containing compound as a dopant in the presence of a diluent, inhibitor and complexing agent. The catalyst exhibits high activity for isomerization of the trans-carotenoids into their cis-isomers within a short catalytic time. The catalyst can be easily prepared and is highly efficient, economical, recyclable and environmentally friendly.
    Type: Application
    Filed: February 10, 2015
    Publication date: June 9, 2016
    Applicant: Jiangnan University
    Inventors: Lianfu ZHANG, Qingrui SUN, Hongxiao YAN