Patents by Inventor Markus Ringwald

Markus Ringwald 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).

  • Dental composition
    Patent number: 11433004
    Abstract: The present invention relates to a dental composition comprising (i) an acidic polymerizable compound of the following formula (Ia), (Ib) or (Ic): wherein X, Y, Y?, Z, L, R2, R3 and R4 are as defined in claim 1; and (ii) an initiator system. Furthermore, the present invention relates to the use of the polymerizable compound of formula (I) for the preparation of a dental composition.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: September 6, 2022
    Assignee: DENTSPLY SIRONA INC.
    Inventors: Christoph Fik, Sven Pohle, Joachim E. Klee, Marina Barudzija, Magnus Schmidt, Markus Ringwald
  • DENTAL COMPOSITION
    Publication number: 20200323743
    Abstract: The present invention relates to a dental composition comprising (i) an acidic polymerizable compound of the following formula (Ia), (Ib) or (Ic): wherein X, Y, Y?, Z, L, R2, R3 and R4 are as defined in claim 1; and (ii) an initiator system. Furthermore, the present invention relates to the use of the polymerizable compound of formula (I) for the preparation of a dental composition.
    Type: Application
    Filed: May 19, 2017
    Publication date: October 15, 2020
    Applicant: DENTSPLY SIRONA Inc.
    Inventors: Christoph FIK, Sven POHLE, Joachim E. KLEE, Marina STOJILJKOVIC, Dr. Magnus Schmidt, Dr. Markus Ringwald