Patents by Inventor Hsu Sen-Huang

Hsu Sen-Huang 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).

  • Manufacturing method of neopentyl glycol
    Patent number: 6268539
    Abstract: Method and apparatus for producing neopentyl glycol which comprises hydrogenating hydroxypivaldehyde in a reactor provided with a self-aspirator agitator device in the presence of a hydrogenation catalyst. The method has high yield of neopentyl glycol, and does not have to be carried out under high pressure as do certain prior art methods.
    Type: Grant
    Filed: October 7, 1999
    Date of Patent: July 31, 2001
    Assignee: Nan Ya Plastics Corporation
    Inventors: Hsu Sen-Huang, Tsai Chia-Ruey, Chuang Jung-Jen