Patents by Inventor Joachim Klee
Joachim Klee 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).
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Patent number: 11925697Abstract: A photocurable dental impression material comprising: (a) a mixture of polymerizable silicone compounds each having two or more polymerizable (meth)acrylate groups, said mixture having a dynamic viscosity at 25° C. of from 1 to 100 Pas; (b) a filler; (c) a photo initiator system, wherein the mixture of polymerizable silicone compounds comprises based on the total weight of the mixture of polymerizable silicone compounds (a) 10 to 90 percent by weight of high-molecular polymerizable silicone compounds having a molecular weight in the range of from more than 4000 up to 10.000; and (b) 90 to 10 percent by weight of polymerizable silicone compounds having a molecular weight in the range of from 300 to 4000.Type: GrantFiled: March 7, 2019Date of Patent: March 12, 2024Assignee: DENTSPLY SIRONA INC.Inventors: Joachim Klee, Florian Szillat, Maximilian Maier, Marjorie Yon, Jacques Lalevée, Julie Kirschner, Fabrice Morlet-Savary, Céline Dietlin
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Patent number: 11918664Abstract: The present invention relates to an aqueous dental glass ionomer composition for use in the treatment of cavitated carious lesions, which composition comprises a water-soluble, polymerizable polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the polymerizable polymer has a polymer backbone and pendant groups having one or more polymerizable carbon-carbon double bonds. The dental glass ionomer composition is used as a permanent direct restoration.Type: GrantFiled: June 10, 2021Date of Patent: March 5, 2024Assignee: DENTSPLY SIRONA INC.Inventors: Florian Szillat, Caroline Renn, Christoph Weber, Uwe Walz, Joachim Klee
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Patent number: 11224557Abstract: The present invention relates to a dental composition which is a resin modified dental cement composition, comprising a radically polymerizable compound and a redox initiator system comprising one or more clathrate compounds comprising a host molecule and one or more guest molecules, wherein the guest molecule is an oxidising agent selected from organic peroxides and organic hydroperoxides. Furthermore, the present invention relates to a use of the redox initiator system in a dental composition which is a resin modified dental cement composition.Type: GrantFiled: October 2, 2017Date of Patent: January 18, 2022Assignee: DENTSPLY SIRONA INCInventors: Florian Szillat, Caroline Renn, Oliver Elsner, Joachim Klee, Christian Scheufler
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Patent number: 11141357Abstract: The present invention relates to an aqueous dental composition having a pH of at most 7. Furthermore, the present invention relates to the use of a specific composition for the preparation of an aqueous dental composition.Type: GrantFiled: May 26, 2020Date of Patent: October 12, 2021Assignee: DENTSPLY SIRONA Inc.Inventors: Christoph P. Fik, Sven Pohle, Huaibing Liu, Joachim Klee
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Publication number: 20210308019Abstract: The present invention relates to an aqueous dental glass ionomer composition for use in the treatment of cavitated carious lesions, which composition comprises a water-soluble, polymerizable polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the polymerizable polymer has a polymer backbone and pendant groups having one or more polymerizable carbon-carbon double bonds. The dental glass ionomer composition is used as a permanent direct restoration.Type: ApplicationFiled: June 10, 2021Publication date: October 7, 2021Applicant: DENTSPLY SIRONA Inc.Inventors: SZILLAT Florian, Caroline Renn, Christoph Weber, Uwe Walz, Joachim Klee
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Patent number: 11071693Abstract: The present invention relates to an aqueous dental glass ionomer composition for use in the treatment of cavitated carious lesions, which composition comprises a water-soluble, polymerizable polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the polymerizable polymer has a polymer backbone and pendant groups having one or more polymerizable carbon-carbon double bonds. The dental glass ionomer composition is used as a permanent direct restoration.Type: GrantFiled: December 13, 2017Date of Patent: July 27, 2021Assignee: DENTSPLY SIRONA Inc.Inventors: Szillat Florian, Caroline Renn, Christoph Weber, Uwe Walz, Joachim Klee
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Publication number: 20210186825Abstract: The present invention relates to a dental impression material adapted to be cured by visible light, comprising a compound having one or more aliphatic unsaturated groups, a compound containing at least one silicon-bonded hydrogen atom and not having more than three hydrogen atoms attached to any one silicon atom, a photoactivatable catalyst component, and a specific initiator component.Type: ApplicationFiled: October 9, 2018Publication date: June 24, 2021Applicant: DENTSPLY SIRONA Inc.Inventors: Joachim KLEE, Florian SZILLAT, Marjorie YON, Jurgen H. FIEDLER, Jacques LALEVEE, Julie KIRSCHNER, Laura PERRARD
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Publication number: 20210137795Abstract: The present invention relates to an aqueous dental composition having a pH of at most 7. Furthermore, the present invention relates to the use of a specific composition for the preparation of an aqueous dental composition.Type: ApplicationFiled: May 26, 2020Publication date: May 13, 2021Applicant: DENTSPLY SIRONA Inc.Inventors: Christoph P. Fik, Sven Pohle, Huaibing Liu, Joachim Klee
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Publication number: 20210106503Abstract: A photocurable dental impression material comprising: (a) a mixture of polymerizable silicone compounds each having two or more polymerizable (meth)acrylate groups, said mixture having a dynamic viscosity at 25° C. of from 1 to 100 Pas; (b) a filler; (c) a photo initiator system, wherein the mixture of polymerizable silicone compounds comprises based on the total weight of the mixture of polymerizable silicone compounds (a) 10 to 90 percent by weight of high-molecular polymerizable silicone compounds having a molecular weight in the range of from more than 4000 up to 10.000; and (b) 90 to 10 percent by weight of polymerizable silicone compounds having a molecular weight in the range of from 300 to 4000.Type: ApplicationFiled: March 7, 2019Publication date: April 15, 2021Applicant: DENTSPLY SIRONA Inc.Inventors: Joachim KLEE, Florian SZILLAT, Maximilian MAIER, Marjorie YON, Jacques LALEVÉE, Julie KIRSCHNER, Fabrice MORLET-SAVARY, Céline DIETLIN
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Patent number: 10899861Abstract: The present invention relates to a polymerizable polyacidic polymer and to a process for preparing the polymerizable polyacidic polymer. Furthermore, the present invention relates to an aqueous dental composition comprising the polymerizable polyacidic polymer, to a use of the polymerizable polyacidic polymer for the preparation of a dental composition and to an acrylic acid derivative copolymer.Type: GrantFiled: September 9, 2016Date of Patent: January 26, 2021Assignee: DENTSPLY SIRONA INC.Inventors: Joachim Klee, Caroline Renn, Florian Szillat, Oliver Elsner, Christian Scheufler, Ulrich Lampe, Helmut Ritter
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Patent number: 10610462Abstract: The present disclosure relates to an aqueous dental glass ionomer composition comprising a reactive particulate glass, a water-soluble, polymerizable polymer which is reactive with the particulate glass in a cement reaction, a hydrolysis-stable, water-soluble monomer having a single polymerizable double bond and optionally a carboxylic acid group or hydroxyl group; and a polymerization initiator system, wherein the polymerizable polymer is obtainable by a process comprising a step of polymerizing a mixture comprising a first polymerizable monomer comprising at least one optionally protected carboxylic acid group and a first polymerizable organic moiety, and optionally a second copolymerizable monomer comprising one or more optionally protected primary and/or secondary hydroxyl and/or amino group(s) and a second polymerizable organic moiety, for obtaining an water-soluble polymer; a step of coupling to the water-soluble polymer a compound having a polymerizable moiety and a functional group reactive with an opType: GrantFiled: April 13, 2017Date of Patent: April 7, 2020Assignee: DENTSPLY SIRONA INC.Inventors: Caroline Renn, Oliver Elsner, Maximilian Maier, Florian Szillat, Joachim Klee, Christoph Weber, Uwe Walz, Christian Scheufler, Helmut Ritter, Andrew Lichkus, Xiaoming Jin
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Patent number: 10596078Abstract: Dental composition comprising (a) at least two di- or polyepoxides having 2 to 5 epoxide groups and having a molecular weight of from 200 to 700 Da, or a macromonomeric reaction product obtainable by reacting the diepoxide with a dicarboxylic acid in a molar ratio [diepoxide]/[dicarboxylic acid] of at least 2; (b) one or more primary monoamines and/or disecondary diamines; (c) optionally one or more aliphatic polyamines; (d) a particulate filler, wherein the molar ratio of epoxide groups in component (a) to the N—H bonds in component (b) and (c) [epoxide(a)]/[N—H(b),(c)] is in the range of from 0.9 to 1.Type: GrantFiled: March 19, 2019Date of Patent: March 24, 2020Assignee: DENTSPLY SIRONA Inc.Inventor: Joachim Klee
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Publication number: 20200046612Abstract: The present invention relates to a dental composition comprising (i) a polymerizable composition containing a compound having repeating units of the following formula (I): wherein R1 represents a hydrogen atom or a linear C1-6 alkyl group, or a branched or cyclic C3-6 alkyl group; L represents a divalent organic linker group which may contain one or more monovalent or divalent organopolysiloxane groups and/or one or more monovalent or divalent perfluorohydrocarbyl groups; n is an integer of at least 1; and (ii) one or more vinyl compounds selected from vinyl ethers, vinyl esters, vinylsiloxanes, (meth) acrylamides and 1-alkenes having from 4 to 20 carbon atoms, said vinyl compounds being copolymerizable with the compound having repeating units of formula (I); and (iii) a polymerization initiator system.Type: ApplicationFiled: February 8, 2018Publication date: February 13, 2020Applicant: DENTSPLY SIRONA Inc.Inventors: Joachim Klee, Melissa Wörner, Florian Szillat, Helmut Ritter
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Patent number: 10548817Abstract: The present invention relates to an aqueous dental composition having a pH of less than 7 as well as to the use of a stabilizer for the preparation of an aqueous dental composition having a pH of less than 7.Type: GrantFiled: July 27, 2016Date of Patent: February 4, 2020Assignee: DENTSPLY SIRONA INC.Inventors: Christoph P. Fik, Sven Pohle, Joachim Klee
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Publication number: 20200022883Abstract: The present invention relates to a dental composition which is a resin modified dental cement composition, comprising a radically polymerizable compound and a redox initiator system comprising one or more clathrate compounds comprising a host molecule and one or more guest molecules, wherein the guest molecule is an oxidising agent selected from organic peroxides and organic hydroperoxides. Furthermore, the present invention relates to a use of the redox initiator system in a dental composition which is a resin modified dental cement composition.Type: ApplicationFiled: October 2, 2017Publication date: January 23, 2020Applicant: DENTSPLY SIRONA Inc.Inventors: Florian Szillat, Caroline Renn, Oliver Elsner, Joachim Klee, Christian Scheufler
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Patent number: 10532009Abstract: Disclosed herein is a dental composition having a polymerization initiator system with an aromatic tertiary phosphine compound. Further disclosed is the use of the aromatic tertiary phospine compound for the preparation of a photocurable dental compositions.Type: GrantFiled: March 30, 2016Date of Patent: January 14, 2020Assignee: DENTSPLY SIRONA Inc.Inventors: Joachim Klee, Maximilian Maier, Jacques Lalevee, Christoph P. Fik, Jean Pierre Fouassier, Fabrice Morlet-Savary, Celine Dietlin
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Publication number: 20190343730Abstract: The present invention relates to an aqueous dental glass ionomer composition for use in the treatment of cavitated carious lesions, which composition comprises a water-soluble, polymerizable polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, whereby the polymerizable polymer has a polymer backbone and pendant groups having one or more polymerizable carbon-carbon double bonds. The dental glass ionomer composition is used as a permanent direct restoration.Type: ApplicationFiled: December 13, 2017Publication date: November 14, 2019Applicant: DENTSPLY SIRONA Inc.Inventors: SZILLAT Florian, Caroline RENN, Christoph WEBER, Uwe WALZ, Joachim Klee
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Publication number: 20190209440Abstract: Dental composition comprising (a) at least two di- or polyepoxides having 2 to 5 epoxide groups and having a molecular weight of from 200 to 700 Da, or a macromonomeric reaction product obtainable by reacting the diepoxide with a dicarboxylic acid in a molar ratio [diepoxide]/[dicarboxylic acid] of at least 2; (b) one or more primary monoamines and/or disecondary diamines; (c) optionally one or more aliphatic polyamines; (d) a particulate filler, wherein the molar ratio of epoxide groups in component (a) to the N—H bonds in component (b) and (c) [epoxide(a)]/[N—H(b),(c)] is in the range of from 0.9 to 1.Type: ApplicationFiled: March 19, 2019Publication date: July 11, 2019Applicant: DENTSPLY SIRONA Inc.Inventor: Joachim KLEE
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Patent number: 10278901Abstract: Dental composition comprising (a) at least two di- or polyepoxides having 2 to 5 epoxide groups and having a molecular weight of from 200 to 700 Da, or a macromonomeric reaction product obtainable by reacting the diepoxide with a dicarboxylic acid in a molar ratio [diepoxide]/[dicarboxylic acid] of at least 2; (b) one or more primary monoamines and/or disecondary diamines; (c) optionally one or more aliphatic polyamines; (d) a particulate filler, wherein the molar ratio of epoxide groups in component (a) to the N—H bonds in component (b) and (c) [epoxide(a)]/[N—H(b),(c)] is in the range of from 0.9 to 1.Type: GrantFiled: July 2, 2015Date of Patent: May 7, 2019Assignee: DENTSPLY SIRONA INCInventor: Joachim Klee
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Patent number: 10272017Abstract: An aqueous dental glass ionomer composition comprising (A) a reactive particulate glass, (B) a water-soluble polymer comprising acidic groups, which is reactive with the particulate glass in a cement reaction, (C) a water-soluble, hydrolysis-stable monomer having a single polymerizable double bond and optionally a carboxylic acid group or hydroxyl group; (D) a water-soluble, hydrolysis-stable polymerizable crosslinker having at least two polymerizable carbon-carbon double bonds; and (E) a polymerization initiator system.Type: GrantFiled: April 13, 2017Date of Patent: April 30, 2019Assignee: DENTSPLY SIRONA Inc.Inventors: Caroline Renn, Oliver Elsner, Florian Szillat, Joachim Klee, Christoph Weber, Uwe Walz, Christian Scheufler, Andrew Lichkus, Xiaoming Jin