Patents by Inventor David VanderSande

David VanderSande 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).

  • PHASE TRANSFER ACTIVE TRIMERIZATION CATALYST SALTS
    Publication number: 20220325026
    Abstract: The present invention provides compositions having a phase transfer trimer catalyst and methods to produce polyisocyanurate/polyurethane foam using such compositions.
    Type: Application
    Filed: September 3, 2020
    Publication date: October 13, 2022
    Applicant: EVONIK OPERATIONS GMBH
    Inventors: Juan Jesus BURDENIUC, Torsten Panitzsch, Rennee Jo Keller, David VanderSande
  • AMINE COMPOSITION USEFUL FOR MAKING STABLE POLYURETHANE FOAM SYSTEMS
    Publication number: 20220144996
    Abstract: A catalyst composition comprising at least one compound with a general formula I: wherein A is N—R3, R3 is C1-C8 linear or branched, x=0-6, n and m are each independently 1 to 6, R1 and R2 are each independently C2-C8 alkyl, and R4 and R5 are —CH3 groups; or A=O, x=0-6. n and m are each independently 1 to 6.
    Type: Application
    Filed: February 27, 2020
    Publication date: May 12, 2022
    Applicant: Evonik Operations GmbH
    Inventors: Juan Jesus Burdeniuc, James Douglas Tobias, Timothy Joseph Miller, Mayank Pratap Singh, David VanderSande