Patents by Inventor Bart Kaster

Bart Kaster 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).

  • Patent number: 4677028
    Abstract: The invention provides for a thixotropic coating composition comprising (1) a binder and (2) a sag control agent which is the reaction product of (a) an isocyanurate-trimer from a diisocyanate containing 3 to 20 carbon atoms and (b) an amine containing at least one primary amino group, the coating composition containing 0.1 to 30 percent by weight of the sag control agent. The invention also relates to a process for coating a substrate using said coating composition and to the coated substrate thus obtained.
    Type: Grant
    Filed: February 20, 1986
    Date of Patent: June 30, 1987
    Assignee: Akzo N.V.
    Inventors: Auke Heeringa, Johannes P. H. Juffermans, Bart Kaster