Patents by Inventor Christian Scheufler
Christian Scheufler 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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Publication number: 20200085697Abstract: The present invention relates to a dental composition comprising a specific radically polymerizable compound and a radical initiator system. Furthermore, the present invention relates to the specific radically polymerizable compound and its use in a dental composition. The specific radically polymerizable compound of the present invention has an allyl (meth)acrylamide group and a phosphoric acid ester group.Type: ApplicationFiled: December 13, 2017Publication date: March 19, 2020Applicant: DENTSPLY SIRONA Inc.Inventors: Christoph FIK, Maximilian MAIER, Joachim E. KLEE, Christian SCHEUFLER
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Publication number: 20200069530Abstract: The present disclosure relates to methods and compositions to stabilize a nanogel and use of such nanogel as additives in dental compositions.Type: ApplicationFiled: August 29, 2019Publication date: March 5, 2020Applicant: DENTSPLY SIRONA Inc.Inventors: Xiaoming JIN, Bassam USTA, Christian Scheufler, Joachim E. KLEE, Thomas TIGGES, Kira NEUHAUS, Jörg Brenneisen, Hui LU
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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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Publication number: 20200022884Abstract: The present invention relates to a dental composition comprising a specific polymerizable compound and a polymerization initiator system. Furthermore, the present invention relates to the specific polymerizable compound as such and its use in a dental composition. The specific polymerizable compound of the present invention has an N-allyl (meth)acrylamide group, which nitrogen atom is substituted with an alkyl or alkenyl group optionally substituted by a group selected from a hydroxyl group, a C1-4 alkoxy group, a tertiary amino group and a carboxyl group, wherein 1 to 8 carbon atoms in the main chain of the alkyl or alkenyl group may independently from each other be replaced by a heteroatom selected from an oxygen atom and a sulfur atom.Type: ApplicationFiled: December 12, 2017Publication date: January 23, 2020Applicant: DENTSPLY SIRONA Inc.Inventors: Christoph FIK, Joachim E. KLEE, Christian SCHEUFLER, Christoph WEBER
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Patent number: 10378602Abstract: A disc brake for a commercial vehicle has a brake caliper spanning a brake disc on the vehicle side, in which brake caliper a clamping device is arranged which has a pivotable brake lever engaging in at least one bridge carrying a brake plunger, which at the same time is directly or indirectly supported at the inner side of a wall of the brake caliper. The contact area of the bridge at the brake lever or of the brake lever at the brake caliper is configured as a pivot bearing having a bearing shell cross-sectionally configured as an arc forming a part of the pivot bearing. The bearing shell is placed in a seating. The disc brake is configured such that the bearing shell is located in the pivoting direction of the brake lever with its opposite longitudinal borders at stop edges, which longitudinally limit the trough-shaped seating.Type: GrantFiled: April 28, 2017Date of Patent: August 13, 2019Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbHInventors: Philipp Adamczyk, Christian Scheufler, Matthias Klingner
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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: 10316909Abstract: A disc brake, preferably a compressed air-actuated disc brake, in particular for a motor vehicle, has a brake application mechanism with a brake rotary lever, at least one spindle unit having a threaded rod screwed into a bridge, and a brake caliper. The caliper frames an edge region of a brake disc. The brake caliper has a brake application portion and a caliper back which are connected together via tie bars. The brake application mechanism with the brake rotary lever is received in the brake application portion of the brake caliper from an application face side of the brake disc. The brake application portion of the brake caliper has a first region, in which the application mechanism and a force transmission portion of the brake rotary lever are arranged, a second region, which is formed as a lever housing, and a lever portion for the brake rotary lever.Type: GrantFiled: February 17, 2017Date of Patent: June 11, 2019Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbHInventors: Matthias Klingner, Ralf Weber, Philipp Adamczyk, Christian Scheufler
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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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Patent number: 10188587Abstract: Dental composite comprising (i) a polymerizable composition obtainable by reacting a mixture comprising: (a) x equivalents of one or more compounds of the following formula (I): wherein L? is an (l+1)-valent hydrocarbon group which may contain in its backbone 1 to 3 heteroatoms selected from oxygen atoms and sulfur atoms and which may be substituted by one or more hydroxyl groups or groups —COOL? wherein L? is a polymerizable moiety; l is an integer of from 1 to 3; (b) y equivalents of one or more compounds of the following formula (IIa), (IIb) and/or (IIc): wherein n is an integer of from 1 to 3, Y may be present or absent, and when present represents a carbonyl group; Y? independently may be present or absent, represents a carbonyl group; Rm which may be the same or different represent 1 to 3 substituents selected from halogen atoms, alkyl groups, and alkoxy groups, or wherein two Rm form together with the carbon atoms of the ring to which they are bonded an annelated aromatic riType: GrantFiled: December 4, 2014Date of Patent: January 29, 2019Assignee: DENTSPLY SIRONA Inc.Inventors: Joachim E. Klee, Maximilian Maier, Christian Scheufler
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Publication number: 20180353391Abstract: The present invention relates to an aqueous dental glass ionomer composition comprising (A) a reactive particulate glass, (B) 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 hydrolysis-stable pendant groups having one or more polymerizable carbon-carbon double bonds, wherein the polymerizable polymer is obtainable by a process comprising a) a step of copolymerizing a mixture comprising (i) a first copolymerizable monomer comprising at least one optionally protected carboxylic acid group and a first polymerizable organic moiety, and (ii) a second copolymerizable monomer comprising one or more optionally protected primary and/or secondary amino groups and a second polymerizable organic moiety, for obtaining an amino group containing copolymer; b) a step of coupling to the amino group containing copolymer a compound having a polymerizable moiety and a functionalType: ApplicationFiled: June 13, 2016Publication date: December 13, 2018Applicant: DENTSPLY SIRONA Inc.Inventors: Caroline RENN, Oliver ELSNER, Julia GANSEL, Christian SCHEUFLER, Uwe WALZ
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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: 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
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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: 20170234388Abstract: A disc brake for a commercial vehicle has a brake caliper spanning a brake disc on the vehicle side, in which brake caliper a clamping device is arranged which has a pivotable brake lever engaging in at least one bridge carrying a brake plunger, which at the same time is directly or indirectly supported at the inner side of a wall of the brake caliper. The contact area of the bridge at the brake lever or of the brake lever at the brake caliper is configured as a pivot bearing having a bearing shell cross-sectionally configured as an arc forming a part of the pivot bearing. The bearing shell is placed in a seating. The disc brake is configured such that the bearing shell is located in the pivoting direction of the brake lever with its opposite longitudinal borders at stop edges, which longitudinally limit the trough-shaped seating.Type: ApplicationFiled: April 28, 2017Publication date: August 17, 2017Inventors: Philipp ADAMCZYK, Christian SCHEUFLER, Matthias KLINGNER
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Publication number: 20170191538Abstract: A disk brake for a utility vehicle is provided. A brake caliper of the disk brake includes a receiving chamber configured to receive a brake application device with a pivotable brake lever. The brake lever is supported at one end on a bridge supporting at least one brake piston and at the other end on a wall of the brake caliper forming a caliper head. A pivot bearing is provided for supporting the brake lever on the caliper head or the bridge. The pivot bearing includes a receptacle having a circular-arc-shaped cross-section and has a pivoting body configured to be located in the receptacle. The brake lever is retained in such a way that the brake lever is secured against displacement transversely to the pivoting direction of the brake lever by at least one securing element arranged in the region of the pivoting body extending axially on both sides of the securing element.Type: ApplicationFiled: March 17, 2017Publication date: July 6, 2017Inventors: Philipp ADAMCZYK, Christian SCHEUFLER, Matthias KLINGNER
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Publication number: 20170159735Abstract: An adjusting device for a disc brake, in particular for utility vehicles, is provided. The adjusting device includes a freewheel having an inner ring and an outer ring. The inner ring and outer ring together with multiple rolling bearing balls form an axial ball bearing. The inner ring is rotatably supported relative to the outer ring by the rolling bearing balls. The freewheel further has a cage in which multiple clamping rollers are biased with compression springs and compression pieces, the cage being arranged between the inner ring and the outer ring in a radial direction relative to a through-bore passing through the inner and outer rings. The compression springs may be pretensioned by rotating the cage relative to the inner ring and then fixing the cage to on the inner ring with a locking device.Type: ApplicationFiled: February 17, 2017Publication date: June 8, 2017Inventors: Abdelaziz RGUICHI, Ralf WEBER, Christian SCHEUFLER
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Publication number: 20170159732Abstract: A disc brake, preferably a compressed air-actuated disc brake, in particular for a motor vehicle, has a brake application mechanism with a brake rotary lever, at least one spindle unit having a threaded rod screwed into a bridge, and a brake caliper. The caliper frames an edge region of a brake disc. The brake caliper has a brake application portion and a caliper back which are connected together via tie bars. The brake application mechanism with the brake rotary lever is received in the brake application portion of the brake caliper from an application face side of the brake disc. The brake application portion of the brake caliper has a first region, in which the application mechanism and a force transmission portion of the brake rotary lever are arranged, a second region, which is formed as a lever housing, and a lever portion for the brake rotary lever.Type: ApplicationFiled: February 17, 2017Publication date: June 8, 2017Inventors: Matthias KLINGNER, Ralf WEBER, Philipp ADAMCZYK, Christian SCHEUFLER
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Publication number: 20160256363Abstract: Dental composite comprising (i) a polymerizable composition obtainable by reacting a mixture comprising: (a) x equivalents of one or more compounds of the following formula (I): wherein L? is an (l+1)-valent hydrocarbon group which may contain in its backbone 1 to 3 heteroatoms selected from oxygen atoms and sulfur atoms and which may be substituted by one or more hydroxyl groups or groups —COOL? wherein L? is a polymerizable moiety; l is an integer of from 1 to 3; (b) y equivalents of one or more compounds of the following formula (IIa), (IIb) and/or (IIc): wherein n is an integer of from 1 to 3, Y may be present or absent, and when present represents a carbonyl group; Y? independently may be present or absent, represents a carbonyl group; Rm which may be the same or different represent 1 to 3 substituents selected from halogen atoms, alkyl groups, and alkoxy groups, or wherein two Rm form together with the carbon atoms of the ring to which they are bonded an annelated aromatic riType: ApplicationFiled: December 4, 2014Publication date: September 8, 2016Applicant: DENTSPLY SIRONA, Inc.Inventors: Joachim E. KLEE, Maximilian MAIER, Christian SCHEUFLER
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Patent number: 9090597Abstract: The compound 1-(2-{4-[3-(3,4-dimethoxyphenyl)-4,4-dimethyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl]piperidin-1-yl}-2-oxoethyl)pyrrolidine-2,5-dione is a novel effective inhibitor of the type 4 phosphodiesterase useful in the treatment of psoriasis or atopic dermatitis.Type: GrantFiled: August 29, 2014Date of Patent: July 28, 2015Assignee: Takeda GmbHInventors: Beate Schmidt, Christian Scheufler, Jürgen Volz, Martin Feth, Rolf-Peter Hummel, Armin Hatzelmann, Christof Zitt, Andrea Wohlsen, Degenhard Marx, Hans-Peter Kley, Deborah Ockert, Anke Heuser, Johannes A. M. Christiaans, Geert Jan Sterk, Wiro M. P. B. Menge
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Publication number: 20140378509Abstract: The compound 1-(2-{4-[3-(3,4-dimethoxyphenyl)-4,4-dimethyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl]piperidin-1-yl}-2-oxoethyl)pyrrolidine-2,5-dione is a novel effective inhibitor of the type 4 phosphodiesterase useful in the treatment of psoriasis or atopic dermatitis.Type: ApplicationFiled: August 29, 2014Publication date: December 25, 2014Inventors: Beate SCHMIDT, Christian SCHEUFLER, Jürgen VOLZ, Martin FETH, Rolf-Peter HUMMEL, Armin HATZELMANN, Christof ZITT, Andrea WOHLSEN, Degenhard MARX, Hans-Peter KLEY, Deborah OCKERT, Anke HEUSER, Johannes A.M. CHRISTIAANS, Geert Jan STERK, Wiro M.P.B. MENGE