Patents by Inventor Markus Mikulla
Markus Mikulla 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: 11135138Abstract: The invention relates to a hardenable dental resin composition provided as a kit of parts comprising a powder part and a liquid part, the powder part comprising acid-reactive glass filler A, non acid-reactive nanocluster filler B, the liquid part comprising polymerizable components with an acidic moiety, polymerizable components without an acidic moiety, the hardenable dental composition further comprising a dual-cure initiator system the components of which being distributed between the powder part and the liquid part, wherein the dual-cure initiator system comprises sensitizing agent(s), oxidizing component(s), (thio)barbituric acid component(s) and transition metal component(s). The composition can be used as a self-adhesive dental resin filling material, self-adhesive dental resin core build up material, self-adhesive dental resin cement material, self-adhesive fissure sealing material, a self-adhesive dental root channel material.Type: GrantFiled: February 7, 2018Date of Patent: October 5, 2021Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Bernd Anich, Markus Mikulla, Frauke Bokeloh, Robert F. Peez, Rainer A. Guggenberger
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Patent number: 10799429Abstract: The invention relates to a kit of parts for preparing a glass ionomer composition for dental use, the kit comprising a Paste A and a Paste B, Paste A comprising water, acid-reactive inorganic filler A, phyllo silicate(s), Paste B comprising water, poly-acid, non acid-reactive filler B, optionally chelating agent. The invention also relates to a hardenable composition obtainable by combining the pastes of the kit or parts and to the use of such a composition as or for preparing a dental cement, dental filling material, dental core build up material or dental root channel filling material.Type: GrantFiled: February 16, 2017Date of Patent: October 13, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Kai U. Claussen, Johannes M. Leykauff, Christine Lienau, Reinhold Hecht, Peter Braun, Markus Mikulla
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Patent number: 10792228Abstract: The invention relates to a kit of parts for preparing a glass ionomer composition for dental use, the kit of parts comprising a Powder Part P and a Liquid Part L, Powder Part P comprising: acid-reactive inorganic filler, Liquid Part L comprising: water, complexing agent, polyacid, either the Powder Part P or the Liquid Part L or the Powder Part P and the Liquid Part L comprising non-aggregated nano-sized particles based on silica or alumina, the composition obtained by combining the components of Powder Part P and Liquid Part L before hardening comprising the components in the following amounts: non-aggregated nano-sized particles: from 0.1 to 15 wt.-%, acid-reactive filler in an amount from 50 to 75 wt.-%, polyacid: 7 to 20 wt.-%, complexing agent: 0.5 to 3 wt.-%, water: 5 to 18 wt.-%, wt.-% with respect to the weight of the whole composition.Type: GrantFiled: October 11, 2016Date of Patent: October 6, 2020Assignee: 3M Innovative Properties CompanyInventors: Michael Jahns, Markus Mikulla, Robert F. Peez, Adrian S. Eckert, Rainer A. Guggenberger, Simone Raynoschek, Afshin Falsafi, Bradley D. Craig, Jimmie R. Baran, Jr., Joel D. Oxman
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Patent number: 10548818Abstract: The application relates to a kit of parts for preparing a glass ionomer composition for dental use, the kit comprising a Paste A and a Paste B, Paste A comprising water, acid-reactive inorganic filler C, non acid-reactive filler A, Paste B comprising water, polyacid, complexing agent, non acid-reactive filler B, the mean particle size of non acid-reactive filler B being larger than the mean particle size of non acid-reactive filler A, the water content of the composition obtained when mixing Paste A and Paste B being below 20 wt.-%. The application also relates to a device for storing such a kit of parts and the use of the kit of parts and/or the device for preparing a dental cement, dental filling material, dental core build up material or dental root channel filling material.Type: GrantFiled: July 18, 2016Date of Patent: February 4, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Michael Jahns, Peter Braun, Robert Peez, Markus Mikulla, Rainer A. Guggenberger
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Publication number: 20190374442Abstract: The invention relates to a hardenable dental resin composition provided as a kit of parts comprising a powder part and a liquid part, the powder part comprising acid-reactive glass filler A, non acid-reactive nanocluster filler B, the liquid part comprising polymerizable components with an acidic moiety, polymerizable components without an acidic moiety, the hardenable dental composition further comprising a dual-cure initiator system the components of which being distributed between the powder part and the liquid part, wherein the dual-cure initiator system comprises sensitizing agent(s), oxidizing component(s), (thio)barbituric acid component(s) and transition metal component(s).Type: ApplicationFiled: February 7, 2018Publication date: December 12, 2019Inventors: Bernd ANICH, Markus MIKULLA, Frauke BOKELOH, Robert F. PEEZ, Rainer A. GUGGENBERGER
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Publication number: 20190046419Abstract: The invention relates to a kit of parts for preparing a glass ionomer composition for dental use, the kit comprising a Paste A and a Paste B, Paste A comprising water, acid-reactive inorganic filler A, phyllo silicate(s), Paste B comprising water, poly-acid, non acid-reactive filler B, optionally chelating agent. The invention also relates to a hardenable composition obtainable by combining the pastes of the kit or parts and to the use of such a composition as or for preparing a dental cement, dental filling mater ial, dental core build up material or dental root channel filling material.Type: ApplicationFiled: February 16, 2017Publication date: February 14, 2019Inventors: Kai U. Claussen, Johannes M. Leykauff, Christine Lienau, Reinhold Hecht, Peter Braun, Markus Mikulla
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Publication number: 20190000723Abstract: The invention relates to a kit of parts for preparing a glass ionomer composition for dental use, the kit of parts comprising a Powder Part P and a Liquid Part L, Powder Part P comprising: acid-reactive inorganic filler, Liquid Part L comprising: water, complexing agent, polyacid, either the Powder Part P or the Liquid Part L or the Powder Part P and the Liquid Part L comprising non-aggregated nano-sized particles based on silica or alumina, the composition obtained by combining the components of Powder Part P and Liquid Part L before hardening comprising the components in the following amounts: non-aggregated nano-sized particles: from 0.1 to 15 wt.-%, acid-reactive filler in an amount from 50 to 75 wt.-%, polyacid: 7 to 20 wt.-%, complexing agent: 0.5 to 3 wt.-%, water: 5 to 18 wt.-%, wt.-% with respect to the weight of the whole composition.Type: ApplicationFiled: October 11, 2016Publication date: January 3, 2019Inventors: Michael Jahns, Markus Mikulla, Robert F. Peez, Adrian S. Eckert, Rainer A. Guggenberger, Simone Raynoschek, Afshin Falsafi, Bradley D. Craig, Jimmie R. Baran, JR., Joel D. Oxman
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Patent number: 10080708Abstract: The invention relates to a kit of parts for preparing a glass ionomer cement, the kit comprising a Part A and a Part B, Part A being a powder and comprising an acid-reactive filler in an amount above about 60 wt. %, the acid-reactive filler having a mean particle size in the range of 3.5 to 10 ?m, an non acid-reactive filler in an amount above about 1 wt. %, the non acid-reactive filler having a mean particle size in the range of 1.0 to 3.5 ?m, Part A not comprising a polyacid in an amount above about 1 wt. %, wt. % with respect to the weight of Part A, Part B being a liquid and comprising a polyacid in an amount above about 30 wt. %, water, a complexing agent, wt. % with respect to the weight of Part B. The invention also relates to a process of producing a hardenable or hardening composition and use thereof in the dental field.Type: GrantFiled: December 8, 2014Date of Patent: September 25, 2018Assignee: 3M Innovative Properties CompanyInventors: Robert Peez, Peter Braun, Markus Mikulla, Rainer Guggenberger
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Publication number: 20180214353Abstract: The application relates to a kit of parts for preparing a glass ionomer composition for dental use, the kit comprising a Paste A and a Paste B, Paste A comprising water, acid-reactive inorganic filler C, non acid-reactive filler A, Paste B comprising water, polyacid, complexing agent, non acid-reactive filler B, the mean particle size of non acid-reactive filler B being larger than the mean particle size of non acid-reactive filler A, the water content of the composition obtained when mixing Paste A and Paste B being below 20 wt.-%. The application also relates to a device for storing such a kit of parts and the use of the kit of parts and/or the device for preparing a dental cement, dental filling material, dental core build up material or dental root channel filling material.Type: ApplicationFiled: July 18, 2016Publication date: August 2, 2018Inventors: Michael Jahns, Peter Braun, Robert Peez, Markus Mikulla, Rainer A. Guggenberger
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Publication number: 20160310368Abstract: The invention relates to a kit of parts for preparing a glass ionomer cement, the kit comprising a Part A and a Part B, Part A being a powder and comprising an acid-reactive filler in an amount above about 60 wt. %, the acid-reactive filler having a mean particle size in the range of 3.5 to 10 ?m, an non acid-reactive filler in an amount above about 1 wt. %, the non acid-reactive filler having a mean particle size in the range of 1.0 to 3.5 ?m, Part A not comprising a polyacid in an amount above about 1 wt. %, wt. % with respect to the weight of Part A, Part B being a liquid and comprising a polyacid in an amount above about 30 wt. %, water, a complexing agent, wt. % with respect to the weight of Part B. The invention also relates to a process of producing a hardenable or hardening composition and use thereof in the dental field.Type: ApplicationFiled: December 8, 2014Publication date: October 27, 2016Inventors: Robert Peez, Peter Braun, Markus Mikulla, Rainer Guggenberger
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Patent number: 8404144Abstract: The present invention is directed to compositions containing one or more polymerizable bisphosphonic acids and optionally one or more additional polymerizable components.Type: GrantFiled: November 21, 2008Date of Patent: March 26, 2013Assignee: 3M Innovative Properties CompanyInventors: Ahmed S. Abuelyaman, Gail S. Boardman, Brian A. Shukla, Steven M. Aasen, Sumita B. Mitra, Markus Mikulla, David K. Cinader, Jr.
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Patent number: 8129444Abstract: The invention relates to a composition which is self-adhesive to the hard tooth tissue, comprising: (A) 5 to 75 percent by weight of one or more mono or higher functional ethylenically unsaturated compounds which additionally have an acid functional group, wherein one of said compounds has a P—OH group, for instance a phosphoric, phosphonic or phosphinic acid group; (B) 2 to 50 percent by weight of one or more mono or higher functional ethylenically unsaturated compounds without any acid functional group; (C) 22.8 to 85 percent by weight of filling material(s), comprising at least one filling material that may react with component (A) in the sense of causing a ion exchange, neutralization, salt formation and/or chelate formation reaction; (D) 0.1 to 8 percent by weight of one or more initiators and optionally activators; (E) 0.1 to 20 percent by weight of further additives, for example, modifiers, wherein the weight ration in % of component (A) relative to component (B) ranges from 21 to 90: 10 to 79.Type: GrantFiled: September 6, 2005Date of Patent: March 6, 2012Assignee: 3M ESPE AGInventors: Reinhold Hecht, Manfred Ludsteck, Thomas Luchterhandt, Markus Mikulla
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Patent number: 7947757Abstract: The invention relates to an initiator comprising at least one structural element characterized by the following formula (I) wherein X? is a non or low coordinating anion, R1, R2, R3, R4 are independently linear, cyclic or branched C1-C20 alkyl or alkylene groups, wherein one or more of the methylene groups contained in the alkyl or alkylene group can be substituted by —CO—, —CONH—, —CON(CH3)—, —S— and/or —O—, and wherein R1, R2, R3 and/or R4 can act as a bridging element connecting two or more structural elements. The invention is also related to a process of producing the initiator and to a curable composition comprising the initiator, a process for producing the curable composition a kit comprising a cationically curable composition and the inventive initiator and the use of the initiator or the curable composition comprising the initiator for various applications, especially in the dental field.Type: GrantFiled: July 27, 2006Date of Patent: May 24, 2011Assignee: 3M Innovative Properties CompanyInventors: Thomas Klettke, Cornelia B. Fuehrer, Andrea Hailand, Markus Mikulla
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Publication number: 20090012209Abstract: The present invention features ionomer compositions containing a filler surface modified with a polyacid. The compositions can be used in a variety of dental and orthodontic applications, for example, as adhesives, cements, restoratives, coatings and sealants.Type: ApplicationFiled: July 31, 2006Publication date: January 8, 2009Inventors: Gunther Eckhardt, Markus Mikulla, Robert F. Peez, Peter Bissinger, Gabriele Gottschalk-Gaudig
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Patent number: 7456232Abstract: The invention relates to dental compounds that contain at least one polyacid or at least one polyacid and at least one salt of at least one polyacid. The polyacids used have at least one branch point in the polymer structure and are water-soluble and not cross-linked and their repeat units consist to at least 80 mole % of acrylic acid segments.Type: GrantFiled: November 19, 2001Date of Patent: November 25, 2008Assignee: 3M ESPE AGInventors: Markus Mikulla, Guenther Lechner, Klaus-Peter Stefan, Gabriele Rackelmann, Gunther Eckhardt
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Publication number: 20080200585Abstract: The invention relates to an initiator comprising at least one structural element characterized by the following formula (I) wherein X? is a non or low coordinating anion, R1, R2, R3, R4 are independently linear, cyclic or branched C1-C20 alkyl or alkylene groups, wherein one or more of the methylene groups contained in the alkyl or alkylene group can be substituted by —CO—, —CONH—, —CON(CH3)—, —S— and/or —O—, and wherein R1, R2, R3 and/or R4 can act as a bridging element connecting two or more structural elements. The invention is also related to a process of producing the initiator and to a curable composition comprising the initiator, a process for producing the curable composition a kit comprising a cationically curable composition and the inventive initiator and the use of the initiator or the curable composition comprising the initiator for various applications, especially in the dental field.Type: ApplicationFiled: July 27, 2006Publication date: August 21, 2008Inventors: Thomas Klettke, Cornelia B. Fuehrer, Andrea Hailand, Markus Mikulla
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Patent number: 7264665Abstract: The invention relates to the use of ions of weakly basic oxides as linking ions for polyacids in cements, preferably polyelectrolyte cements. Suitable ions comprise elements of the scandium series, for example, Sc3+, Y3+, La3+, Ce4+ and all subsequent tri- and tetra-valent lanthanides and the ions Mg2+, Zn2+, Ga2+, In2+. The application of said ions permits a regulation of the cement reaction without surface treatment of the glass powder.Type: GrantFiled: December 13, 2001Date of Patent: September 4, 2007Assignee: 3M ESPE AGInventors: Stefan Hoescheler, Markus Mikulla, Gabriele Rackelmann, Volker Bambach
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Publication number: 20060004122Abstract: The invention relates to a composition which is self-adhesive to the hard tooth tissue, comprising: (A) 5 to 75 percent by weight of one or more mono or higher functional ethylenically unsaturated compounds which additionally have an acid functional group, wherein one of said compounds has a P—OH group, for instance a phosphoric, phosphonic or phosphinic acid group; (B) 2 to 50 percent by weight of one or more mono or higher functional ethylenically unsaturated compounds without any acid functional group; (C) 22.8 to 85 percent by weight of filling material(s), comprising at least one filling material that may react with component (A) in the sense of causing a ion exchange, neutralization, salt formation and/or chelate formation reaction; (D) 0.1 to 8 percent by weight of one or more initiators and optionally activators; (E) 0.1 to 20 percent by weight of further additives, for example, modifiers, wherein the weight ration in % of component (A) relative to component (B) ranges from 21 to 90: 10 to 79.Type: ApplicationFiled: September 6, 2005Publication date: January 5, 2006Applicant: 3M ESPE AGInventors: Reinhold Hecht, Manfred Ludsteck, Thomas Luchterhandt, Markus Mikulla
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Publication number: 20050261393Abstract: The invention relates to dental materials containing at least one polyacid or at least one polyacid and at least one salt of at least one polyacid with a molar mass distribution Mw/Mn ranging from 1.0 to 1.7, whereby the polyacid has a molecular weight Mw ranging from 1,000 to 500,000.Type: ApplicationFiled: November 19, 2001Publication date: November 24, 2005Inventors: Markus Mikulla, Gabriele Rackelmann, Klaus-Peter Stefan
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Publication number: 20040254260Abstract: The invention relates to dental compounds that contain at least one polyacid or at least one polyacid and at least one salt of at least one polyacid. The polyacids used have at least one branch point in the polymer structure and are water-soluble and not cross-linked and their repeat units consist to at least 80 mole % of acrylic acid segments.Type: ApplicationFiled: December 22, 2003Publication date: December 16, 2004Inventors: Markus Mikulla, Gunther Lechner, Klaus-Peter Stefan, Gabrielle Rackelmann, Gunther Eckhardt