Patents by Inventor Johan Bernard Reesink

Johan Bernard Reesink 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).

  • Polyisocyanates blocked with hydroxamic acid esters or acyl hydroxamates
    Patent number: 4008192
    Abstract: A thermosetting coating composition contains a polyisocyanate blocked with a hydroxamic acid ester or an acyl hydroxamate. The polyisocyanate in the coating composition may be activated by dissociation of the blocking agent and polyisocyanate at a lower temperature than the blocked polyisocyanate of conventional coating compositions.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: February 15, 1977
    Assignee: Akzo N.V.
    Inventors: Willem Jacobus Mijs, Johan Bernard Reesink