Patents by Inventor Rainer A. Guggenberger
Rainer A. Guggenberger 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: 20230320942Abstract: The invention relates to A curable composition for producing dental composite crowns, the composition comprising a resin matrix comprising polymerizable (meth)acrylate(s) not comprising a urethane moiety, polymerizable urethane(meth)acrylate(s), wherein the polymerizable (meth)acrylate(s) not comprising an urethane moiety are used in excess over the polymerizable urethane(meth)acrylate(s), a filler matrix comprising nanocluster(s), fumed silica in an amount below 8 wt. % with respect to the weight of the whole composition, an initiator system comprising photoinitiator(s), organic dye(s), the curable composition not comprising softener in an amount of more than 5 wt. % with respect to the weight of the whole composition, the curable composition having a viscosity below 150 Pa*s at 23° C. and a shear rate of 1 s?1. The invention also relates to a cured article obtained by radiation curing this curable composition by use of an additive-manufacturing method.Type: ApplicationFiled: June 13, 2023Publication date: October 12, 2023Inventors: Andreas HERRMANN, Gioacchino Raia, Malte Korten, Oliver Kappler, Bernhard Hofmann, Adrian Eckert, Helmar Mayr, Reinhold Hecht, Gallus Schechner, Rainer Guggenberger
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Patent number: 11696875Abstract: The invention relates to A curable composition for producing dental composite crowns, the composition comprising a resin matrix comprising polymerizable (meth)acrylate(s) not comprising a urethane moiety, polymerizable urethane(meth)acrylate(s), wherein the polymerizable (meth)acrylate(s) not comprising an urethane moiety are used in excess over the polymerizable urethane(meth)acrylate(s), a filler matrix comprising nanocluster(s), fumed silica in an amount below 8 wt. % with respect to the weight of the whole composition, an initiator system comprising photoinitiator(s), organic dye(s), the curable composition not comprising softener in an amount of more than 5 wt. % with respect to the weight of the whole composition, the curable composition having a viscosity below 150 Pa*s at 23° C. and a shear rate of 1 s?1. The invention also relates to a cured article obtained by radiation curing this curable composition by use of an additive-manufacturing method.Type: GrantFiled: June 5, 2018Date of Patent: July 11, 2023Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Andreas Herrmann, Gioacchino Raia, Malte Korten, Oliver Kappler, Bernhard Hofmann, Adrian Eckert, Helmar Mayr, Reinhold Hecht, Gallus Schechner, Rainer Guggenberger
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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: 10932994Abstract: The present invention relates to a kit of parts comprising Part A and Part B, Part A comprising: ascorbic acid, component(s) comprising an ascorbic acid moiety or derivative(s) thereof, optionally polymerizable component(s) without acidic moieties, optionally polymerizable component(s) with acidic moieties, and optionally filler(s), Part B comprising polymerizable component(s) without acidic moieties, polymerizable component(s) with acidic moieties, transition metal component(s), organic peroxide(s), and optionally filler(s), The invention is also directed to a redox initiator system comprising ascorbic acid, component(s) comprising an ascorbic acid moiety or derivative(s) thereof, transition metal component(s), preferably comprising a copper or iron ion containing salt, organic peroxide(s), preferably comprising a hydroperoxide or di-peroxide. The kit of parts and redox initiator system are particularly useful in the dental field.Type: GrantFiled: July 7, 2015Date of Patent: March 2, 2021Assignee: 3M Innovative Properties CompanyInventors: Reinhold Hecht, Manfred Ludsteck, Andrea Stippschild-Boxler, Gioacchino Raia, Rainer A. Guggenberger
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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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Publication number: 20200230038Abstract: Methods and kids for removing calculus from a tooth. The method can include applying a component A to the tooth; applying a component B to the tooth, thereby generating oxygen; and removing at least a part of the calculus from the tooth.Type: ApplicationFiled: April 9, 2020Publication date: July 23, 2020Inventors: Ingo R. Haeberlein, Evan Koon Lun Yuuji Hajime, Petra L. Kohler Riedi, Chuntao Cao, Joel D. Oxman, Steven P. Swanson, Rainer A. Guggenberger
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Publication number: 20200206092Abstract: The invention relates to A curable composition for producing dental composite crowns, the composition comprising a resin matrix comprising polymerizable (meth)acrylate(s) not comprising a urethane moiety, polymerizable urethane(meth)acrylate(s), wherein the polymerizable (meth)acrylate(s) not comprising an urethane moiety are used in excess over the polymerizable urethane(meth)acrylate(s), a filler matrix comprising nanocluster(s), fumed silica in an amount below 8 wt. % with respect to the weight of the whole composition, an initiator system comprising photoinitiator(s), organic dye(s), the curable composition not comprising softener in an amount of more than 5 wt. % with respect to the weight of the whole composition, the curable composition having a viscosity below 150 Pa*s at 23° C. and a shear rate of 1 s?1. The invention also relates to a cured article obtained by radiation curing this curable composition by use of an additive-manufacturing method.Type: ApplicationFiled: June 5, 2018Publication date: July 2, 2020Inventors: Andreas Herrmann, Gioacchino Raia, Malte Korten, Oliver Kappler, Bernhard Hofmann, Adrian Eckert, Helmar Mayr, Reinhold Hecht, Gallus Schechner, Rainer Guggenberger
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Patent number: 10653594Abstract: Methods and kits for removing calculus from a tooth. The method includes applying a component A comprising hydrogen peroxide or a precursor thereto to the tooth; applying a component B comprising a catalase to the tooth, thereby generating oxygen; and removing at least a part of the calculus from the tooth; wherein the component A is applied before or after the component B is applied.Type: GrantFiled: December 2, 2015Date of Patent: May 19, 2020Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Ingo R. Haeberlein, Evan Koon Lun Yuuji Hajime, Petra L. Kohler Riedi, Chuntao Cao, Joel D. Oxman, Steven P. Swanson, Rainer A. Guggenberger
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Publication number: 20200122193Abstract: Described herein is a process for making a multilayer article comprising forming a first fluoropolymer layer in the absence of liquids by delivering particles from at least one gaseous fluid jet to a metal surface to impregnate the metal surface with a fluoropolymer to form a first fluoropolymer layer, wherein the particles comprise an abrasive particle, a binder, and a first fluoropolymer; coating the first fluoropolymer layer with a second fluoropolymer to form a second fluoropolymer layer and thereby forming a multilayered article; and sintering the multilayered article to form the release surface coated substrate.Type: ApplicationFiled: December 20, 2019Publication date: April 23, 2020Inventors: Michael C. Dadalas, Philipp Doebert, Rainer A. Guggenberger, Klaus Hintzer, Tilman C. Zipplies
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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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Patent number: 10479067Abstract: Described herein is multilayer article made by the process comprising: delivering particles comprising a silicon compound from at least one fluid jet to a metal surface to embed the metal surface with the silicon compound to form a silicon compound layer; coating the silicon compound layer with an aqueous fluoropolymer dispersion to form a fluoropolymer layer and thereby forming a multilayered article, wherein the aqueous fluoropolymer dispersion comprises (i) a modifying agent; and (ii) a fluorinated polymer, wherein the fluorinated polymer comprises at least one of (a) a partially fluorinated polymer capable of forming a carbon-carbon double bond, (b) a functionalized fluorinated polymer, and (c) combinations thereof; and sintering the multilayered article to form the release surface coated substrate.Type: GrantFiled: April 1, 2016Date of Patent: November 19, 2019Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Peter Bissinger, Michael C. Dadalas, Philipp Doebert, Rainer A. Guggenberger, Klaus Hintzer, Tilman C. Zipplies
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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: 20180257361Abstract: Described herein is multilayer article made by the process comprising: delivering particles comprising a silicon compound from at least one fluid jet to a metal surface to embed the metal surface with the silicon compound to form a silicon compound layer; coating the silicon compound layer with an aqueous fluoropolymer dispersion to form a fluoropolymer layer and thereby forming a multilayered article, wherein the aqueous fluoropolymer dispersion comprises (i) a modifying agent; and (ii) a fluorinated polymer, wherein the fluorinated polymer comprises at least one of (a) a partially fluorinated polymer capable of forming a carbon-carbon double bond, (b) a functionalized fluorinated polymer, and (c) combinations thereof; and sintering the multilayered article to form the release surface coated substrate.Type: ApplicationFiled: April 1, 2016Publication date: September 13, 2018Inventors: Peter Bissinger, Michael C. Dadalas, Philipp Doebert, Rainer A. Guggenberger, Klaus Hintzer, Tilman C. Zipplies
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Publication number: 20180250707Abstract: Described herein is multilayer article made by the process comprising: delivering particles from at least one fluid jet to a metal surface to impregnate the metal surface with a fluoropolymer to form a first fluoropolymer layer, wherein the particles comprise an abrasive particle, a binder, and a first fluoropolymer; coating the first fluoropolymer layer with a second fluoropolymer to form a second fluoropolymer layer and thereby forming a multilayered article; and sintering the multilayered article to form the release surface coated substrate.Type: ApplicationFiled: April 1, 2016Publication date: September 6, 2018Inventors: Michael C. Dadalas, Philipp Doebert, Rainer A. Guggenberger, Klaus Hintzer, Tilman C. Zipplies
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Publication number: 20180250708Abstract: Described herein is multilayer article and methods of making thereof, wherein the multilayer article comprises: (a) metal substrate; (b) a first fluoropolymer layer having a thickness no more than 10 micrometers, wherein the first fluoropolymer layer consists essentially of a fluoropolymer comprising reactive groups, wherein when the fluoropolymer is a melt-processible fluoropolymer it comprises at least 30 reactive groups per 1,000,000 carbon atoms and when the fluoropolymer is a non-melt processible fluoropolymer it comprises more than 5 reactive groups per 1,000,000 carbon atoms; and (c) a second fluoropolymer layer having a thickness of about 10 to 1000 micrometers, wherein the first fluoropolymer layer is in contact with both the metal substrate and the second fluoropolymer layer.Type: ApplicationFiled: April 1, 2016Publication date: September 6, 2018Inventors: Michael C. Dadalas, Philipp Doebert, Rainer A. Guggenberger, Klaus Hintzer, Tilman C. Zipplies
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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: 20170367941Abstract: Methods and kits for removing calculus from a tooth. The method includes applying a component A comprising hydrogen peroxide or a precursor thereto to the tooth; applying a component B comprising a catalase to the tooth, thereby generating oxygen; and removing at least a part of the calculus from the tooth; wherein the component A is applied before or after the component B is applied.Type: ApplicationFiled: December 2, 2015Publication date: December 28, 2017Inventors: Ingo R. Haeberlein, Evan Koon Lun Yuuji Hajime, Petra L. Kohler Riedi, Chuntao Cao, Joel D. Oxman, Steven P. Swanson, Rainer A. Guggenberger
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Publication number: 20170216152Abstract: The present invention relates to a kit of parts comprising Part A and Part B, Part A comprising: ascorbic acid, component(s) comprising an ascorbic acid moiety or derivative(s) thereof, optionally polymerizable component(s) without acidic moieties, optionally polymerizable component(s) with acidic moieties, and optionally filler(s), Part B comprising polymerizable component(s) without acidic moieties, polymerizable component(s) with acidic moieties, transition metal component(s), organic peroxide(s), and optionally filler(s), The invention is also directed to a redox initiator system comprising ascorbic acid, component(s) comprising an ascorbic acid moiety or derivative(s) thereof, transition metal component(s), preferably comprising a copper or iron ion containing salt, organic peroxide(s), preferably comprising a hydroperoxide or di-peroxide. The kit of parts and redox initiator system are particularly useful in the dental field.Type: ApplicationFiled: July 7, 2015Publication date: August 3, 2017Inventors: Reinhold Hecht, Manfred Ludsteck, Andrea Stippschild-Boxler, Gioacchino Raia, Rainer A. Guggenberger