Patents by Inventor Qing Hai Cai

Qing Hai Cai 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 preparing sucrose-6-ester
    Patent number: 7626016
    Abstract: This invention relates to a method for preparing a sucrose-6-ester.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: December 1, 2009
    Assignee: Hebei Sukerui Science and Technology Co., Ltd.
    Inventors: Jun Jing Wu, Guang Li Wu, Qing Hai Cai, Shou Xinyu, Zi Wen Li, Shang Liu, Man Tang Wang