Patents by Inventor Rennee Jo Keller

Rennee Jo Keller 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