Patents by Inventor Florian Szillat
Florian Szillat 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: 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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Publication number: 20200405585Abstract: The present invention relates to a dental composition comprising a radically polymerizable compound, a redox initiator system comprising one or more clathrate compounds comprising a host molecule and one or more guest molecules, wherein the host molecule is selected from cyclodextrines, crown ethers, cucurbituriles and calixarenes and the one or more guest molecules are reducing agents, and an oxidizing agent. Furthermore, the present invention relates to a use of the redox initiator system in a dental composition.Type: ApplicationFiled: March 5, 2019Publication date: December 31, 2020Applicant: DENTSPLY SIRONA Inc.Inventors: Florian SZILLAT, Caroline RENN, Christian SCHEUFLER, Jörg BRENNEISEN
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Patent number: 10849831Abstract: A dental composition comprising a polymerizable acidic compound of the following formula (I): wherein R1 which may be the same or different when more than one R1 is present, represents a hydrogen atom or a methyl group; R2 which may be the same or different when more than one R2 is present, represents a hydrogen atom, a straight-chain or branched C1-6 alkyl group, a C3-8 cycloalkyl group or a straight-chain or branched C2-6 alkenyl group; R3 which may be the same or different when more than one R3 is present, represents a monovalent organic moiety substituted by a group selected from —COOM, —PO3M, —O—PO3M2 and —SO3M, wherein M independently represents a hydrogen atom or a metal atom; or R2 and R3 form together a divalent organic moiety substituted by a group selected from —COOM, —PO3M, —O—PO3M2 and —SO3M, wherein M independently represents a hydrogen atom or a metal atom; L represents a (m+n+1)-valent organic linker group; X represents a hydrogen atom or a group selected from —COOM, —PO3M, —O—PO3M2 or —SType: GrantFiled: January 2, 2019Date of Patent: December 1, 2020Assignee: DENTSPLY SIRONA INC.Inventors: Caroline Renn, Florian Szillat, Joachim E. Klee, Christian Scheufler, Oliver Elsner, Thomas Tigges, Mattias Worm, Helmut Ritter, Xiaoming Jin
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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: 10588830Abstract: The present invention relates to a dental composition comprising a specific polymerization initiator system comprising a compound having an acylsilyl- or acylgermanyl-group. The present invention also relates the use of the compound having an acylsilyl- or acylgermanyl group for the preparation of a dental composition.Type: GrantFiled: October 7, 2016Date of Patent: March 17, 2020Assignee: DENTSPLY SIRONA INC.Inventors: Joachim E. Klee, Florian Szillat, Maximilian Maier, Helmut Ritter, Jacques Lalevee, Jean Pierre Fouassier, Fabrice Morlet-Savary, Celine Dietlin, Mariem Bouzrati-Zerelli, Christoph P Fik
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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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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: 10512594Abstract: The present invention relates to a dental composition comprising an initiator system comprising a sensitizer compound having an acylsilyl- or acylgermyl-group and a specific coinitiator compound. The present invention also relates to an initiator system consisting essentially of the sensitizer compound having an acylsilyl- or acylgermyl-group and a coinitiator compound wherein a C—H bond dissociation energy is less than 95 Kcal/mol. Furthermore, the present invention relates to the use of this initiator system for the preparation of a dental composition.Type: GrantFiled: October 10, 2016Date of Patent: December 24, 2019Assignee: DENTSPLY SIRONA Inc.Inventors: Joachim E. Klee, Florian Szillat, Maximilian Maier, Helmut Ritter, Jacques Lalevee, Jean Pierre Fouassier, Fabrice Morlet-Savary, Celine Dietlin, Mariem Bouzrati-Zerelli, Christoph P Fik
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Publication number: 20190274930Abstract: Disclosed is a resin modified dental luting cement composition having a polymerizable resin component, a polyacidic polymer component, a filler component, a redox initiator system, and water.Type: ApplicationFiled: March 8, 2019Publication date: September 12, 2019Applicant: DENTSPLY SIRONA Inc.Inventors: Maximilian Maier, Huaibing Liu, Sven Pohle, Florian Szillat
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Publication number: 20190201297Abstract: A dental composition comprising a polymerizable acidic compound of the following formula (I): wherein R1 which may be the same or different when more than one R1 is present, represents a hydrogen atom or a methyl group; R2 which may be the same or different when more than one R2 is present, represents a hydrogen atom, a straight-chain or branched C1-6 alkyl group, a C3-8 cycloalkyl group or a straight-chain or branched C2-6 alkenyl group; R3 which may be the same or different when more than one R3 is present, represents a monovalent organic moiety substituted by a group selected from —COOM, —PO3M, —O—PO3M2 and —SO3M, wherein M independently represents a hydrogen atom or a metal atom; or R2 and R3 form together a divalent organic moiety substituted by a group selected from —COOM, —PO3M, —O—PO3M2 and —SO3M, wherein M independently represents a hydrogen atom or a metal atom; L represents a (m+n+1)-valent organic linker group; X represents a hydrogen atom or a group selected from —COOM, —PO3M, —O—PO3M2 or —SOType: ApplicationFiled: January 2, 2019Publication date: July 4, 2019Applicant: DENTSPLY SIRONA Inc.Inventors: Caroline Renn, Florian Szillat, Joachim E. Klee, Christian Scheufler, Oliver Elsner, Thomas Tigges, Mattias Worm, Helmut Ritter, Xiaoming Jin
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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
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Publication number: 20180303722Abstract: The present invention relates to a dental composition comprising a specific polymerization initiator system comprising a compound having an acylsilyl- or acylgermanyl-group. The present invention also relates the use of the compound having an acylsilyl- or acylgermanyl group for the preparation of a dental composition.Type: ApplicationFiled: October 7, 2016Publication date: October 25, 2018Applicant: DENTSPLY SIRONA Inc.Inventors: Joachim E. KLEE, Florian SZILLAT, Maximilian MAIER, Helmut RITTER, Jacques LALEVEE, Jean Pierre FOUASSIER, Fabrice MORLET-SAVARY, Celine DIETLIN, Mariem BOUZRATI-ZERELLI, Christoph P FIK
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Publication number: 20180289592Abstract: The present invention relates to a dental composition comprising an initiator system comprising a sensitizer compound having an acylsilyl- or acylgermyl-group and a specific coinitiator compound. The present invention also relates to an initiator system consisting essentially of the sensitizer compound having an acylsilyl- or acylgermyl-group and a coinitiator compound wherein a C—H bond dissociation energy is less than 95 Kcal/mol. Furthermore, the present invention relates to the use of this initiator system for the preparation of a dental composition.Type: ApplicationFiled: October 10, 2016Publication date: October 11, 2018Applicant: DENTSPLY SIRONA Inc.Inventors: Joachim E. KLEE, Florian SZILLAT, Maximilian MAIER, Helmut RITTER, Jacques LALEVEE, Jean Pierre FOUASSIER, Fabrice MORLET-SAVARY, Celine DIETLIN, Mariem BOUZRATI-ZERELLI, Christoph P. FIK
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Publication number: 20180237567Abstract: The present invention relates to a polymerizable polyacidic polymer and to a process for preparing the polymerizable polyacidic polymer.Type: ApplicationFiled: September 9, 2016Publication date: August 23, 2018Applicant: DENTSPLY SIRONA inc.Inventors: Joachim KLEE, Caroline RENN, Florian SZILLAT, Oliver Elsner, Christian Scheufler, Ulrich Lampe, Helmut RITTER
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Publication number: 20170296441Abstract: 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 olymerizable moiety and a functional group reactive with an optType: ApplicationFiled: April 13, 2017Publication date: October 19, 2017Applicant: 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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Publication number: 20170296442Abstract: 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: ApplicationFiled: April 13, 2017Publication date: October 19, 2017Applicant: DENTSPLY SIRONA Inc.Inventors: Caroline RENN, Oliver Elsner, Florian Szillat, Joachim Klee, Christoph Weber, Uwe Walz, Christian Scheufler, Andrew Lichkus, Xiaoming Jin