Patents by Inventor Yi-Fen Yang

Yi-Fen Yang 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: 20200148657
    Abstract: A process for preparing 5-hydroxymethylfurfural includes the steps of: subjecting a glucose-containing material to a catalytic reaction in the presence of an isomerase enzyme to form an aqueous saccharide solution containing fructose and glucose, converting the fructose into 5-hydroxymethylfurfural via a first dehydration reaction, and converting the glucose into 5-hydroxymethylfurfural via a second dehydration reaction.
    Type: Application
    Filed: May 15, 2019
    Publication date: May 14, 2020
    Applicant: FAR EASTERN NEW CENTURY CORPORATION
    Inventors: Ying-Jen Chen, Yi-Fen Yang, Fa-Chen Chi, Ruey-Fen Liao, Chien-Hung Chou
  • Publication number: 20190100476
    Abstract: A process for producing ethylene from an ethanol feedstock comprises a step of subjecting the ethanol feedstock to a dehydration reaction in the presence of a supported heteropolyacid salt catalyst. The supported heteropolyacid salt catalyst includes a support and a heteropolyacid salt compound which is carried on the support and which is represented by a formula as defined herein.
    Type: Application
    Filed: January 12, 2018
    Publication date: April 4, 2019
    Inventors: Yi-Fen Yang, Fa-Chen Chi, Ruey-Fen Liao, Chun-Yi Kuo