Patents by Inventor Simone Klapdohr
Simone Klapdohr 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: 8889758Abstract: The present invention relates to dental materials comprising liquid, nanoparticulate functionalized hydrophobic co-condensates of tetraalkyl silicates with functionalized trialkoxysilanes of the formula I P—(CH2)n—Si(OR)3 where P, R and n independently of one another have the following meanings: P=a polymerizable CH2?CH—, CH2?CH—O—, styryl, (meth)acrylic or (meth)acrylamide group or an SH group capable of polyaddition, R=methyl, ethyl or propyl and n=from 3 to 15, which can be prepared by co-condensation of tetraalkyl silicates with alkyltrialkoxysilanes functionalized in the ? position and subsequent end group functionalization with trimethylsilyl groups; The invention further relates to the use of the dental materials for filling composites, fixing cements or materials for coatings.Type: GrantFiled: March 27, 2007Date of Patent: November 18, 2014Assignee: Ivoclar Vivadent AGInventors: Norbert Moszner, Volker Rheinberger, Simone Klapdohr, Urs Karl Fischer
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Publication number: 20140045969Abstract: The invention relates to a composition comprising (A) at least 5% by weight of en organic prepolymer P having at least two water-crossilnkable organosilicon end groups, (B) 0.01% to 3.0% by weight of boric acid and/or bone ester, and (C) 0.01% to 3.0% by weight of an amine component. Additionally disclosed is a method for the curing of these compositions and also the use of boric acid and/or boric esters and an amine component a condensation catalyst.Type: ApplicationFiled: November 25, 2011Publication date: February 13, 2014Applicant: Construction Research & Technology GmbHInventors: Simone Klapdohr, Jochen Mezger, Burkhard Walther, Helmut Mack
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Patent number: 8584374Abstract: The invention relates to a method for removing water from a mixture containing at least one compound having at least one group reactive towards isocyanate and containing water, the mixture being applied to the surface of a rotating body A, the mixture flowing over the surface of the rotating body A to an outer region of the surface of the rotating body A and water evaporating from the mixture. In particular, this method is suitable for removing water from alcohols and amines.Type: GrantFiled: May 28, 2009Date of Patent: November 19, 2013Assignee: Construction Research & Technology GmbHInventors: Simone Klapdohr, Burkhard Walther, Helmut Mack, Zhizhong Cai, Laurent Marc, Jochen Mezger, Tobias Austermann, Silke Flakus
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Patent number: 8367748Abstract: A filler which is surface-modified with a compound of the formula [(PG)-R1—Z]n—SP—[Y—R2-(AG)]m is particularly suitable for use in dental materials, for the preparation of adhesives, coatings and composites.Type: GrantFiled: December 2, 2005Date of Patent: February 5, 2013Assignee: Ivoclar Vivadent AGInventors: Norbert Moszner, Simone Klapdohr, Ulrich Salz, Jorg Zimmermann, Volker M. Rheinberger
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Publication number: 20120129685Abstract: The invention relates to a process for preparing multimetal cyanide compounds by reacting the aqueous solution of a metal salt a) with the aqueous solution of a hexacyanometalate compound b), wherein the mixture of the solutions a) and b) flows over the surface of a rotating body A to an outer region of the surface of the rotating body A and is flung off from there.Type: ApplicationFiled: August 11, 2010Publication date: May 24, 2012Applicant: BASF SEInventors: Jochen Mezger, Burkhard Walther, Helmut Mack, Simone Klapdohr, Zhizhong Cai, Silke Flakus, Tobias Austermann, Bernhard Hoffner, Wolfgang Rohde, Bernd Bechtloff, Michael Triller, Sirus Zarbakhsh
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Publication number: 20110309533Abstract: The proposed spinning disc reactor comprises substantially a horizontally rotatable, disc-like and thermostatable support element which has an outer reaction surface, feed means for feeding at least one reactant onto the reaction surface and internal structures for thermostating the reaction surface. In addition, it contains at least one separation apparatus for collecting and removing the reaction product from the reaction surface. The support element is characterized in particular in that it consists of two components a) and b) arranged horizontally one on top of the other and having substantially identical surface measures. These two components are connected to one another in an interlocking manner and tightly during the operating time and the lower component a) has, on its top facing the inner region of the support element, at least one substantially uninterrupted groove milled in over an extensive area and intended for receiving, conducting and discharging a heat-transfer fluid.Type: ApplicationFiled: December 11, 2009Publication date: December 22, 2011Inventors: Florian Liesener, Zhizhong Cai, Jochen Mezger, Silke Flakus, Simone Klapdohr, Burkhard Walther, Helmut Mack, Tobias Austermann
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Publication number: 20110306696Abstract: The invention relates to a process for the preparation of copolymers containing acid monomer structural units and polyether macromonomer structural units, which is carried out in a continuous mode of operation in a reactor which has ?) a body B rotating about an axis of rotation and having a reaction surface, ?) a metering system and ?) a device for irradiating the reaction surface, i) the components of a starting reaction composition being applied individually and/or as a mixture with the aid of the metering system in a thin film on an inner region of the reaction surface of the rotating body B so that the thin film flows over the reaction surface of the rotating body B to an outer region of the reaction surface of the rotating body B, the thin film on the reaction surface being electromagnetically irradiated by means of the device for the irradiation of the reaction surface, ii) the thin film leaving the reaction surface as a reaction composition which has copolymer containing acid monomer structural uniType: ApplicationFiled: October 8, 2009Publication date: December 15, 2011Inventors: Silke Flakus, Laurent Marc, Zhizhong Cai, Helmut Mack, Burkhard Walther, Jochen Mezger, Simone Klapdohr, Tobias Austermann
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Publication number: 20110144288Abstract: The invention relates to a process for the preparation of silylated polyurethanes and/or polyureas, comprising the steps: a) application of a component ?) containing isocyanate and of a component ?) containing polyol and/or polyamine to at least one surface of body A, which surface rotates about an axis of rotation and has a temperature between 60 and 400° C., and b) reaction of the reaction product of ?) isocyanate and ?) polyol and/or polyamine with a silylating agent.Type: ApplicationFiled: June 16, 2009Publication date: June 16, 2011Inventors: Simone Klapdohr, Burkhard Walther, Helmut Mack, Zhizhong Cai, Laurent Marc, Jochen Mezger, Tobias Austermann, Silke Flakus
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Publication number: 20110132551Abstract: The present invention relates to a method for removing isocyanate from a reaction product of isocyanate with compounds reactive towards isocyanates, the reaction product being applied to the surface of a rotating body A, the reaction product flowing over the surface of the rotating body A to an outer region of the surface of the rotating body A and isocyanate which was used for the preparation of the reaction product and has not reacted evaporating from the mixture in the process.Type: ApplicationFiled: June 16, 2009Publication date: June 9, 2011Inventors: Simone Klapdohr, Burkhard Walther, Helmut Mack, Zhizhong Cai, Laurent Marc, Jochen Mezger, Tobias Austermann, Silke Flakus
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Publication number: 20110132144Abstract: The invention relates to a process for the preparation of metal nanoparticles, selected from the group consisting of lead, bismuth, zinc, antimony, indium, gold, nickel, cobalt, palladium, platinum, iridium, osmium, rhodium, ruthenium, rhenium, vanadium, chromium, manganese, niobium, molybdenum, tungsten, tantalum, cadmium, silver and/or copper, on a rotating body, characterized in that a reduction of corresponding metal salts, corresponding metal salt complexes, corresponding metal hydroxides and/or corresponding metal oxides by polyols having a number of hydroxyl groups in the polyol of 1 to 10 and a molecular weight of the polyols of 2000 to 18 000 Da is effected.Type: ApplicationFiled: July 15, 2009Publication date: June 9, 2011Inventors: Jochen Mezger, Laurent Marc, Simone Klapdohr, Burkhard Walther, Zhizhong Cai, Tobias Austermann, Silke Flakus, Helmut Mack
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Publication number: 20110126421Abstract: The invention relates to a method for removing water from a mixture containing at least one compound having at least one group reactive towards isocyanate and containing water, the mixture being applied to the surface of a rotating body A, the mixture flowing over the surface of the rotating body A to an outer region of the surface of the rotating body A and water evaporating from the mixture. In particular, this method is suitable for removing water from alcohols and amines.Type: ApplicationFiled: May 28, 2009Publication date: June 2, 2011Inventors: Simone Klapdohr, Burkhard Walther, Helmut Mack, Zhizhong Cai, Laurent Marc, Jochen Mezger, Tobias Austermann, Silke Flakus
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Patent number: 7932304Abstract: Filler based on glass particles which contain a homo- or copolymer of vinyl chloride on the surface, process for its preparation and its use as a dental material.Type: GrantFiled: November 21, 2008Date of Patent: April 26, 2011Assignee: Ivoclar Vivadent AGInventors: Norbert Moszner, Jorg Angermann, Volker Rheinberger, Dieter Voser, Karin Vogel, Simone Klapdohr
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Publication number: 20090239971Abstract: Filler based on glass particles which contain a homo- or copolymer of vinyl chloride on the surface, process for its preparation and its use as a dental material.Type: ApplicationFiled: November 21, 2008Publication date: September 24, 2009Applicant: Ivoclar Vivadent AGInventors: Norbert MOSZNER, Jorg ANGERMANN, Volker RHEINBERGER, Dieter VOSER, Karin VOGEL, Simone KLAPDOHR
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Publication number: 20090186960Abstract: The invention relates to a polymerizable composition which is characterized in that it contains at least one filler that is surface-functionalized with groups of formula (I), wherein groups of formula (I) (A)a-Z-Y—R2—SiR13?m—(O—)m ??(I), are bonded to the filler via at least one oxygen atom that is bound to the silicon atom of the group of formula (I). The invention also relates to a process for the preparation of the composition according to the invention and its use in particular as a dental material.Type: ApplicationFiled: November 21, 2008Publication date: July 23, 2009Applicant: IVOCLAR VIVADENT AGInventors: Norbert MOSZNER, Jorg ANGERMANN, Simone KLAPDOHR
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Patent number: 7495037Abstract: Polymerizable materials which contain (1) 1 to 80 wt.-% of at least one polysiloxane, (2) 0.1 to 5 wt.-% of one or more initiators for radical polymerization, (3) 0 to 60 wt.-% of radically polymerizable monomer and (4) 1 to 50 wt.-% of one or more radically polymerizable monomers which carry at least phosphonic acid group, sulphonic acid group and/or mono- or dihydrogen phosphoric acid ester group, the polysiloxane (1), the monomer (3) or both being substituted by fluorine. The materials are suitable in particular for the coating of natural or artificial teeth.Type: GrantFiled: August 27, 2004Date of Patent: February 24, 2009Assignee: Ivoclar Vivadent AGInventors: Norbert Moszner, Simone Klapdohr, Ulrich Salz, Jörg Zimmermann, Volker M. Rheinberger, Rolf Mülhaupt
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Publication number: 20090043004Abstract: The present invention relates to dental materials comprising liquid, nanoparticulate functionalized hydrophobic co-condensates of tetraalkyl silicates with functionalized trialkoxysilanes of the formula I P—(CH2)n—Si(OR)3 where P, R and n independently of one another have the following meanings: P=a polymerizable CH2?CH—, CH2?CH—O—, styryl, (meth)acrylic or (meth)acrylamide group or an SH group capable of polyaddition, R=methyl, ethyl or propyl and n=from 3 to 15, which can be prepared by co-condensation of tetraalkyl silicates with alkyltrialkoxysilanes functionalized in the ? position and subsequent end group functionalization with trimethylsilyl groups; The invention further relates to the use of the dental materials for filling composites, fixing cements or materials for coatings.Type: ApplicationFiled: March 27, 2007Publication date: February 12, 2009Inventors: Norbert Moszner, Volker Rheinberger, Simone Klapdohr, Urs Karl Fischer
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Publication number: 20080319104Abstract: The present invention relates to a curable dental material having adjustable translucence and high opalescence containing I. at least one monomer or one monomer mixture having a refractive index of <1.45, II. at least one opalescent filler having a refractive index of <1.45, III. further customary fillers or filler mixtures and IV. polymerization initiators, stabilizers, dyes or mixtures of one or more of these substances.Type: ApplicationFiled: April 6, 2005Publication date: December 25, 2008Inventors: Simone Klapdohr, Norbert Moszner, Karin Vogel, Volker Rheinberger, Peter Burtscher
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Publication number: 20060247329Abstract: Filler which is surface-modified with a compound of the formula [(PG)—R1—Z]n—SP—[Y—R2—(AG)]m, in which AG is —COOH, —P(?O)(OH)2, —O—P(?O)(OH)2, —SO2OH, —SiR3R4X, or a chelating group; R1 is a C1-C3 alkylene group or cyclopropylene group or is absent; R2 is a C1-C10 alkylene group or is absent; R3 is a C1-C8 alkyl group, chlorine or OR5; R4 is a C1-C8 alkyl group, phenyl, chlorine or OR5; R5 is a C1-C6 alkyl group; X is OR5 or chlorine; Y is O, S, CO—NH, O—CO—NH, NH—CO—NH or is absent, Y being absent if R2 is absent; Z is O, S, CO—NR6, O—CO—NH, NH—CO—NH or is absent, R6 being H or C1-C6 alkyl; PG is a radically polymerizable group of the formula in which R9 is H, C1-C3 alkyl, C1-C3 hydroxyalkyl or COOR10; R10 is H, C1-C10 alkyl, 1,6-dimethylphenyl or mesityl; R11 is H or phenyl; m is 1 or 2; n is 1, 2, 3 or 4; SP is absent or is an (n+m)-valent linear or branched aliphatic C1-C30 radical, in which the carbon chain can be interrupted by O, S, CO—NH, O—CO—NH or NH—CO—NH, an (n+m)-valent aromatic C6-C18 radicType: ApplicationFiled: December 2, 2005Publication date: November 2, 2006Applicant: Ivoclar Vivadent AGInventors: Norbert Moszner, Simone Klapdohr, Ulrich Salz, Jorg Zimmermann, Volker Rheinberger
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Publication number: 20050165129Abstract: Polymerizable materials which contain (1) 1 to 80 wt.-% of at least one polysiloxane, (2) 0.1 to 5 wt.-% of one or more initiators for radical polymerization, (3) 0 to 60 wt.-% of radically polymerizable monomer and (4) 1 to 50 wt.-% of one or more radically polymerizable monomers which carry at least phosphonic acid group, sulphonic acid group and/or mono- or dihydrogen phosphoric acid ester group, the polysiloxane (1), the monomer (3) or both being substituted by fluorine. The materials are suitable in particular for the coating of natural or artificial teeth.Type: ApplicationFiled: August 27, 2004Publication date: July 28, 2005Inventors: Norbert Moszner, Simone Klapdohr, Ulrich Salz, Jorg Zimmermann, Volker Rheinberger