Patents by Inventor Jorg Kempter

Jorg Kempter 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).

  • Photocurable dental composition
    Patent number: 11844848
    Abstract: The present invention relates to a photocurable dental composition comprising a specific polymerization initiator system containing the combination of a photoinitiator compound and a coinitiator compound being a sulfinate compound or a sulfonate compound. The present invention also relates to the use of this polymerization initiator system in a photocurable dental composition.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: December 19, 2023
    Assignee: DENTSPLY SIRONA INC.
    Inventors: Florian Szillat, Maximilian Maier, Caroline Renn, Oliver Elsner, Joachim E. Klee, Jorg Kempter, Jacques Lalevee, Mariem Bouzrati-Zerelli, Julie Kirschner
  • PHOTOCURABLE DENTAL COMPOSITION
    Publication number: 20210186821
    Abstract: The present invention relates to a photocurable dental composition comprising a specific polymerization initiator system containing the combination of a photoinitiator compound and a coinitiator compound being a sulfinate compound or a sulfonate compound. The present invention also relates to the use of this polymerization initiator system in a photocurable dental composition.
    Type: Application
    Filed: October 9, 2018
    Publication date: June 24, 2021
    Applicant: DENTSPLY SIRONA Inc.
    Inventors: Florian SZILLAT, Maximilian MAIER, Caroline RENN, Oliver ELSNER, Joachim E. KLEE, Jorg KEMPTER, Jacques LALEVEE, Mariem BOUZRATI-ZERELLI, Julie KIRSCHNER
  • Composite filler particles and process for the preparation thereof
    Patent number: 10040969
    Abstract: A process for the preparation of composite filler particles, comprising: (a) coating a particulate filler having a median particle size (D50) of from 1 to 1200 nm; (b) agglomerating the coated particulate filler, for providing a granulation of the coated particulate filler wherein the granulation contains the coated particulate filler particles whereby the at least one coating layer may be crosslinked by crosslinking groups obtained by reacting the reactive groups and optionally a further crosslinking agent.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: August 7, 2018
    Assignee: DENTSPLY SIRONA Inc.
    Inventors: Simon Stelzig, Jörg Kempter, Stephanie Noerpel, Joachim E. Klee, Andreas Facher, Uwe Walz, Christoph Weber
  • COMPOSITE FILLER PARTICLES AND PROCESS FOR THE PREPARATION THEREOF
    Publication number: 20160024334
    Abstract: A process for the preparation of composite filler particles, comprising: (a) coating a particulate filler having a median particle size (D50) of from 1 to 1200 nm; (b) agglomerating the coated particulate filler, for providing a granulation of the coated particulate filler wherein the granulation contains the coated particulate filler particles whereby the at least one coating layer may be crosslinked by crosslinking groups obtained by reacting the reactive groups and optionally a further crosslinking agent.
    Type: Application
    Filed: October 1, 2015
    Publication date: January 28, 2016
    Applicant: DENTSPLY INTERNATIONAL INC.
    Inventors: Simon STELZIG, Jörg KEMPTER, Stephanie NOERPEL, Joachim E. KLEE, Andreas, Uwe WALZ, Christoph WEBER
  • Composite filler particles and process for the preparation thereof
    Patent number: 9193849
    Abstract: A process for the preparation of composite filler particles, comprising: (a) coating a particulate filler having a median particle size (D50) of from 1 to 1200 nm; (b) agglomerating the coated particulate filler, for providing a granulation of the coated particulate filler wherein the granulation contains the coated particulate filler particles whereby the at least one coating layer may be crosslinked by crosslinking groups obtained by reacting the reactive groups and optionally a further crosslinking agent.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: November 24, 2015
    Assignee: DENTSPLY International Inc.
    Inventors: Simon Stelzig, Jörg Kempter, Stephanie Noerpel, Joachim E. Klee, Andreas Facher, Uwe Walz, Christoph Weber
  • COMPOSITE FILLER PARTICLES AND PROCESS FOR THE PREPARATION THEREOF
    Publication number: 20130158157
    Abstract: A process for the preparation of composite filler particles, comprising: (a) coating a particulate filler having a median particle size (D50) of from 1 to 1200 nm; (b) agglomerating the coated particulate filler, for providing a granulation of the coated particulate filler wherein the granulation contains the coated particulate filler particles whereby the at least one coating layer may be crosslinked by crosslinking groups obtained by reacting the reactive groups and optionally a further crosslinking agent.
    Type: Application
    Filed: December 14, 2012
    Publication date: June 20, 2013
    Applicant: DENTSPLY INTERNATIONAL INC.
    Inventors: Simon STELZIG, Jörg Kempter, Stephanie Noerpel, Joachim E. KLEE, Andreas FACHER, Uwe WALZ, Christoph WEBER
  • Dental glass compositions utilizing a glass ionomer and an acidic copolymer
    Patent number: 8440740
    Abstract: A hardening composition comprising a particulate glass, said glass comprising 10-35% by weight of silica, 10-35% by weight of alumina, 3-30% by weight of zinc oxide, 4-30% by weight of P2O5 and 3-25% by weight of fluoride, and an acidic copolymer reactive with the particulate glass under aqueous conditions.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: May 14, 2013
    Assignee: DENTSPLY International Inc.
    Inventors: Gordon Blackwell, Stefan Brugger, Denise Achilles, Jorg Kempter
  • HARDENING COMPOSITION
    Publication number: 20110071233
    Abstract: A hardening composition comprising a particulate glass, said glass comprising 10-35% by weight of silica, 10-35% by weight of alumina, 3-30% by weight of zinc oxide, 4-30% by weight of P2O5 and 3-25% by weight of fluoride, and an acidic copolymer reactive with the particulate glass under aqueous conditions.
    Type: Application
    Filed: June 14, 2010
    Publication date: March 24, 2011
    Inventors: GORDON BLACKWELL, Stefan Brugger, Denise Achilles, Jörg Kempter