Patents by Inventor Daiyi Qin

Daiyi Qin 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).

  • Catalyst and use thereof in the production of vinyl acetate
    Patent number: 6472556
    Abstract: A catalyst for use in the production of vinyl acetate which comprises (1) a catalyst support, (2) palladium, (3) an acid, (4) at least one acetic acid catalyst promoter and (5) at least one vinyl acetate promoter and/or co-promoter. A process for the production of vinyl acetate from ethylene and an oxygen-containing gas using the catalyst.
    Type: Grant
    Filed: March 27, 2001
    Date of Patent: October 29, 2002
    Assignee: BP Chemicals Limited
    Inventors: Simon James Kitchen, Daiyi Qin
  • Catalyst and use thereof in the production of vinyl acetate
    Patent number: 6376706
    Abstract: A catalyst for use in the production of vinyl acetate which comprises (1) a catalyst support, (2) palladium, (3) an acid, (4) at least one acetic acid catalyst promoter and (5) at least one vinyl acetate promoter and/or co-promoter. A process for the production of vinyl acetate from ethylene and an oxygen-containing gas using the catalyst.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: April 23, 2002
    Assignee: BP Chemical Ltd.
    Inventors: Simon James Kitchen, Daiyi Qin
  • CATALYST AND USE THEREOF IN THE PRODUCTION OF VINYL ACETATE
    Publication number: 20010049335
    Abstract: A catalyst for use in the production of vinyl acetate which comprises (1) a catalyst support, (2) palladium, (3) an acid, (4) at least one acetic acid catalyst promoter and (5) at least one vinyl acetate promoter and/or co-promoter. A process for the production of vinyl acetate from ethylene and an oxygen-containing gas using the catalyst.
    Type: Application
    Filed: May 21, 1999
    Publication date: December 6, 2001
    Inventors: SIMON JAMES KITCHEN, DAIYI QIN
  • Catalyst and use thereof in the production of vinyl acetate
    Publication number: 20010012818
    Abstract: A catalyst for use in the production of vinyl acetate which comprises (1) a catalyst support, (2) palladium, (3) an acid, (4) at least one acetic acid catalyst promoter and (5) at least one vinyl acetate promoter and/or co-promoter. A process for the production of vinyl acetate from ethylene and an oxygen-containing gas using the catalyst.
    Type: Application
    Filed: March 27, 2001
    Publication date: August 9, 2001
    Applicant: BP Chemicals Limited.
    Inventors: Simon James Kitchen, Daiyi Qin