Patents by Inventor Sangjian Zhu

Sangjian Zhu 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).

  • Dehydrogenating catalyst for saturate hydrocarbons
    Patent number: 5358920
    Abstract: A dehydrogenating catalyst for saturated hydrocarbons comprising platinum, tin, sodium and .tau.-alumina. The support of the catalyst is a large pore diameter .tau.-Al.sub.2 O.sub.3 with dual pore diameter distribution. At least 40% of the total pore volume is contributed by pores with pore diameter in the range of 1000-10000 .ANG.. Platinum, tin, and sodium are impregnated onto support by co-impregnation method, followed by drying, calcinating, and steam-treating, as well as reducing by hydrogen, to prepare a long life dehydrogenating catalyst.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: October 25, 1994
    Assignees: China Petro-Chemical Corporation, Jing Ling Petrochemical Company, Sinopec
    Inventors: Yongfu Ma, Peicheng Wu, Yong Sun, Sangjian Zhu, Yuexin Huang, Weiying Yang, Kaiwen Yao, Youreng Zou