Patents by Inventor Christoph BARNER-KOWOLLIK

Christoph BARNER-KOWOLLIK 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).

  • Polymerizable compositions based on thermally cleavable compounds
    Patent number: 10667993
    Abstract: The invention relates to a polymerizable composition which comprises a thermolabile polymerizable compound of Formula I: A-[X-(T-X-Sp-X)p-T-X-Q-(Z)n]m?? Formula I, wherein T represents a thermolabile Diels-Alder or hetero-Diels-Alder group of the Formula The invention also relates to the use of the polymerizable composition according to the present invention and the compounds of Formula I according to the present invention as polymerization resin or for the preparation of polymerization resins and polymerizates such as adhesives, composites, stereolithographic materials, shaped parts, duromers and mounting and fixing elements, and as dental material and for the preparation of dental materials such as adhesives, cements and filling composites.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: June 2, 2020
    Assignees: Ivoclar Vivadent AG, Karlsruher Institute Für Technologie
    Inventors: Norbert Moszner, Iris Lamparth, Kai Rist, Christoph Barner-Kowollik, Alexander Schenzel, Marcel Langer
  • Polymerizable Compositions Based On Thermally Cleavable Compounds
    Publication number: 20180200155
    Abstract: The invention relates to a polymerizable composition which comprises a thermolabile polymerizable compound of Formula I: A-[X-(T-X-Sp-X)p-T-X-Q-(Z)n]m?? Formula I, wherein T represents a thermolabile Diels-Alder or hetero-Diels-Alder group of the Formula The invention also relates to the use of the polymerizable composition according to the present invention and the compounds of Formula I according to the present invention as polymerization resin or for the preparation of polymerization resins and polymerizates such as adhesives, composites, stereolithographic materials, shaped parts, duromers and mounting and fixing elements, and as dental material and for the preparation of dental materials such as adhesives, cements and filling composites.
    Type: Application
    Filed: October 11, 2016
    Publication date: July 19, 2018
    Inventors: Norbert MOSZNER, Iris LAMPARTH, Kai RIST, Christoph BARNER-KOWOLLIK, Alexander SCHENZEL, Marcel LANGER