Patents by Inventor Helmut Ganss

Helmut Ganss 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).

  • Storage-stable tris(hydroxyalkyl)isocyanurate polyol dispersions, process for their preparation and their utilization
    Patent number: 4514526
    Abstract: The invention relates to storage-stable tris(hydroxyalkyl)isocyanurate polyol dispersions containing(a) from 2 to 70 parts by weight tris(hydroxyalkyl)isocyanurate,(b) from 98 to 30 parts by weight of at least one polyol having a functionality of from 2 to 8 and a hydroxyl number from 20 to 1800, and(c) from 0 to 20 parts by weight of one or more dispersion stabilizers.The dispersions are prepared by dissolving starting components A and B at temperatures in excess of 100.degree. C., in some cases adding a dispersion stabilizer and/or crystallization accelerator, with continuous and step-wise cooling of the mixture while stirring. The products are utilized for the preparation of polyurethane plastics, in particular polyisocyanurate foams containing polyurethane or polyurethane groups.
    Type: Grant
    Filed: July 23, 1984
    Date of Patent: April 30, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Marx, Helmut Ganss, Wolfram Frank