Patents by Inventor Zhang Shuguang

Zhang Shuguang 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).

  • Fatty acid isomerization with mesoporous zeolites
    Patent number: 6723862
    Abstract: The present invention generally relates to a process for the preparation of branched fatty acids from straight chain unsaturated fatty acid feedstocks with a strongly acidic and hydrothermally stable mesoporous aluminosilicate and/or aluminophosphate catalyst materials having mesopores of 15-500 Å and contain primary and secondary nanosized zeolite structural units in the walls that separate mesopores.
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: April 20, 2004
    Assignee: Akzo Nobel N.V.
    Inventors: Zhang Shuguang, Zhang Zongchao
  • Fatty acid isomerization with mesoporous zeolites
    Publication number: 20030191331
    Abstract: The present invention generally relates to a process for the preparation of branched fatty acids from straight chain unsaturated fatty acid feedstocks with a strongly acidic and hydrothermally stable mesoporous aluminosilicate and/or aluminophosphate catalyst materials having mesopores of 15-500 Å and contain primary and secondary nanosized zeolite structural units in the walls that separate mesopores.
    Type: Application
    Filed: March 18, 2003
    Publication date: October 9, 2003
    Inventors: Zhang Shuguang, Zhang Zongchao