Patents by Inventor Ingrid Welvaet

Ingrid Welvaet 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).

  • Method for the reduction of aldehyde emission in polyurethane foam
    Patent number: 11548997
    Abstract: The invention is related to a method for reducing the emission of acetaldehyde and/or propionaldehyde from a polyurethane or polyurea foam, by using a reaction mixture comprising at least one isocyanate reactive component selected from the group consisting of a polyether polyol, a polyester polyol, a polyether polyamine and a polyester polyamine; an isocyanate component; and cyanoacetamide.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: January 10, 2023
    Assignee: Huntsman International LLC
    Inventors: Ingrid Welvaet, Geert Lodewijk Dries, Joris Karel Peter Bosman
  • Method for the reduction of aldehyde emission in polyurethane foam
    Publication number: 20190023871
    Abstract: The invention is related to a method for reducing the emission of acetaldehyde and/or propionaldehyde from a polyurethane or polyurea foam, by using a reaction mixture comprising at least one isocyanate reactive component selected from the group consisting of a polyether polyol, a polyester polyol, a polyether polyamine and a polyester polyamine; an isocyanate component; and cyanoacetamide.
    Type: Application
    Filed: February 6, 2017
    Publication date: January 24, 2019
    Inventors: Ingrid Welvaet, Geert Lodewijk Dries, Joris Karel Peter Bosman