Patents by Inventor Daniel Hoenhener

Daniel Hoenhener 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).

  • Polyisocyanate polyaddition polyol manufacturing process using stabilizers
    Patent number: 10017599
    Abstract: PIPA polyols are made by reacting a low equivalent weight polyol with a polyisocyanate in the presence of a stabilizer. Low amounts, if any, of water are present. Useful stabilizers include functionalized linear or branched polyethers having at least one polyether segment having a molecular weight of 200 to 8000, wherein the functionalized polyether is terminated at one end with one or more isocyanate groups or with one or more isocyanate-reactive groups linked to the polyether through one or more urea and/or urethane groups, and further wherein all or a portion of such functionalized polyether contains one or more biuret, isocyanurate, urea or allophonate groups.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: July 10, 2018
    Assignee: Dow Global Technologies LLC
    Inventors: Irena Amici-Kroutilova, Paul Cookson, Ricco Borella, Daniel Hoenhener, Francois Casati
  • Thixotropic polyol compositions containing dispersed urethane-modified polyisocyanurates
    Patent number: 9840579
    Abstract: Thixotropic polyol dispersions are described. The dispersions contain a dispersed phase of polyurethane-isocyanurate particles. They can be made by reacting a low equivalent weight polyol with a polyisocyanate in the presence of an isocyanate trimerization catalyst while dispersed in a base polyol. These polyol dispersions are useful as the resin component of curable systems such as formulated coatings, sealants or adhesives.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: December 12, 2017
    Assignee: Dow Global Technologies LLC
    Inventors: Irena Amici-Kroutilova, Paul Cookson, Daniel Hoenhener, Francois Casati
  • THIXOTROPIC POLYOL COMPOSITIONS CONTAINING DISPERSED URETHANE-MODIFIED POLYISOCYANURATES
    Publication number: 20160208041
    Abstract: Thixotropic polyol dispersions are described. The dispersions contain a dispersed phase of polyurethane-isocyanurate particles. They can be made by reacting a low equivalent weight polyol with a polyisocyanate in the presence of an isocyanate trimerization catalyst while dispersed in a base polyol. These polyol dispersions are useful as the resin component of curable systems such as formulated coatings, sealants or adhesives.
    Type: Application
    Filed: September 11, 2014
    Publication date: July 21, 2016
    Inventors: Irena Amici-Kroutilova, Paul Cookson, Daniel Hoenhener, Francois Casati
  • Polyisocyanate Polyaddition Polyol Manufacturing Process Using Stabilizers
    Publication number: 20160194431
    Abstract: PIPA polyols are made by reacting a low equivalent weight polyol with a polyisocyanate in the presence of a stabilizer. Low amounts, if any, of water are present. Useful stabilizers include functionalized linear or branched polyethers having at least one polyether segment having a molecular weight of 200 to 8000, wherein the functionalized polyether is terminated at one end with one or more isocyanate groups or with one or more isocyanate-reactive groups linked to the polyether through one or more urea and/or urethane groups, and further wherein all or a portion of such functionalized polyether contains one or more biuret, isocyanurate, urea or allophonate groups.
    Type: Application
    Filed: September 11, 2014
    Publication date: July 7, 2016
    Inventors: Irena Amici-Kroutilova, Paul Cookson, Ricco Borella, Daniel Hoenhener, Francois Casati