Patents by Inventor Dei-She Ke

Dei-She Ke 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).

  • Process for preparing 3,4-dihydroxy-benzonitrile
    Patent number: 6790977
    Abstract: A process for preparing 3,4-dihydroxybenzonitrile includes the steps of reacting a nitrile compound with an alkali metal halide, followed by treating with an acid.
    Type: Grant
    Filed: July 30, 2002
    Date of Patent: September 14, 2004
    Assignee: Sinon Corporation
    Inventors: Lung-Huang Kuo, Dei-She Ke, Chih-Da Lin, Shyh-Shyan Jwo, Wen-Hsin Chang
  • Process for preparing 3,4-dihydroxy-benzonitrile
    Publication number: 20040024239
    Abstract: A process for preparing 3,4-dihydroxybenzonitrile includes the steps of reacting a nitrile compound with an alkali metal halide, followed by treating with an acid.
    Type: Application
    Filed: July 30, 2002
    Publication date: February 5, 2004
    Inventors: Lung-Huang Kuo, Dei-She Ke, Chih-Da Lin, Shyh-Shyan Jwo, Wen-Hsin Chang