Patents by Inventor Barend J. Schaart

Barend J. Schaart 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).

  • Continuous process for the telomerization of conjugated dienes
    Patent number: 5254782
    Abstract: Continuous process for the telomerization of conjugated dienes comprising reacting a conjugated diene with a compound containing an active hydrogen atom in the liquid phase in the presence of a Group VIII transition metal catalyst, a ligand compound of a tertiary phosphorous, arsenic or antimony, and a catalyst promoter compound having basic properties.
    Type: Grant
    Filed: August 16, 1991
    Date of Patent: October 19, 1993
    Assignee: The Dow Chemical Company
    Inventors: Barend J. Schaart, Hendrik L. Pelt, Grant B. Jacobsen