Patents by Inventor Suxian Tian

Suxian Tian 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).

  • Zeolite catalyst for the liquid phase alkylation and transalkylation of benzene
    Patent number: 5600050
    Abstract: Disclosed is a modified zeolite catalyst for the liquid phase alkylation and transalkylation of benzene comprising 30 to 70% by weight of H-beta zeolite with a silicon to aluminium ratio of 20 to 40; 0.5 to 10% by weight of halogen; and .gamma.-Al.sub.2 O.sub.3 of the balance. Also disclosed a method for preparing the said catalyst comprising adding a halogen-containing compound to a mixture of H-beta zeolite and a precursor of .gamma.-Al.sub.2 O.sub.3, forming followed by calcining.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: February 4, 1997
    Assignees: ChinaPetro-Chemical Corp., Research Institute of Petroleum Processing
    Inventors: Zhiyuan Huang, Suxian Tian, Yali Xu, Bin Zhu, Weidong Wang, Fengmei Zhang, Xie Wang