Patents by Inventor J. Y. Chou

J. Y. Chou 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).

  • Modified Raney nickel catalyst and a process for preparing diols by using the same
    Patent number: 5888923
    Abstract: The present invention relates to a modified Raney nickel catalyst which can serves as hydrogenation catalyst for hydroxy aldehydes, such as 4-hydroxy-butanal, and 2-methyl-3-hydroxypropanal and hydroxy cyclic ethers such as 2-hydroxy-tetrahydrofuran. Further, a process for preparing diols by using the modified Raney nickel catalyst is provided.
    Type: Grant
    Filed: April 15, 1996
    Date of Patent: March 30, 1999
    Assignee: Dairen Chemical Corporation
    Inventors: Shien Chang Chen, C. C. Chu, F. S. Lin, J. Y. Chou, C. C. Huang