Patents by Inventor Ingrid Welvaert

Ingrid Welvaert 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).

  • Composition with reduced aldehyde emission
    Patent number: 11555091
    Abstract: This invention generally provides composition for making a polyurethane foam with reduced aldehyde emission and more specially to composition useful in means of transport such as interior part of cars, wherein composition is comprising: (a) a polyfunctional isocyanate; (b) an isocyanate reactive composition; and (c) a compound of the formula (I) or (II), wherein the compound (c) is present by weight percentage in the composition in an amount ranging from about 0.001 to about 10, preferably from about 0.01 to about 5, and more preferably from about 0.05 to about 2 based on the total weight of the composition. The compositions can reduce aldehyde emission, especially acetaldehyde emission in the PU foam and has no obvious influence on the mechanic properties of the foam.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: January 17, 2023
    Assignee: Huntsman International LLC
    Inventors: Pengfei Wu, Lies Bonami, Yuefan Zhang, Joris Karel Peter Bosman, Xuerong Zhu, Ingrid Welvaert
  • A COMPOSITION WITH REDUCED ALDEHYDE EMISSION
    Publication number: 20210221942
    Abstract: This invention generally provides composition for making a polyurethane foam with reduced aldehyde emission and more specially to composition useful in means of transport such as interior part of cars, wherein composition is comprising: (a) a polyfunctional isocyanate; (b) an isocyanate reactive composition; and (c) a compound of the formula (I) or (II), wherein the compound (c) is present by weight percentage in the composition in an amount ranging from about 0.001 to about 10, preferably from about 0.01 to about 5, and more preferably from about 0.05 to about 2 based on the total weight of the composition. The compositions can reduce aldehyde emission, especially acetaldehyde emission in the PU foam and has no obvious influence on the mechanic properties of the foam.
    Type: Application
    Filed: December 13, 2018
    Publication date: July 22, 2021
    Inventors: Pengfei Wu, Lies Bonami, Yuefan Zhang, Joris Karel Peter Bosman, Xuerong Zhu, Ingrid Welvaert