Patents by Inventor Shing Y. Wang

Shing Y. Wang 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 the preparation of tertiary olefins
    Patent number: 5227564
    Abstract: A process for the preparation of tertiary olefins by decomposition of a tertiary alkyl ether in the vapor phase in the presence of a catalyst, wherein the catalyst used is a composition of: (i) 5 to 95 percent by weight of a crystalline aluminosilicate zeolite having a silica-to-alumina mole ratio of at least about 5 and a Constraint Index of about 1 to about 12, and (ii) 95 to 5 percent by weight of a binder selected from amorphous silica, alumina, silica-alumina and mixtures thereof.
    Type: Grant
    Filed: December 9, 1991
    Date of Patent: July 13, 1993
    Assignee: Dairen Chemical Corporation
    Inventors: S. C. Chen, C. C. Chu, F. S. Lin, Liang Sheu, Shing Y. Wang