Patents by Inventor Johannes A. H. M. Ramakers

Johannes A. H. M. Ramakers 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 the preparation of an isocyanurate compound containing isocyanate groups
    Patent number: 4577017
    Abstract: Process for the preparation of an isocyanurate-compound containing isocyanate groups by trimerisation of a diisocyanate in the presence ofa compound having the formula ##STR1## in combination with an organic base, or a compound having the formula ##STR2## where R and R' are chosen from a hydrocarbon radical with 1-10 carbon atoms,--O--R.sub.1, with R.sub.1 being a hydrocarbon radical with 1-10 carbon atoms, andH.
    Type: Grant
    Filed: September 12, 1984
    Date of Patent: March 18, 1986
    Assignee: DSM Resins B.V.
    Inventors: Willem J. H. Hupperetz, Johannes A. H. M. Ramakers