Patents by Inventor Jorg Zimmermann
Jorg Zimmermann 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: 20140249254Abstract: A polymer having the formula (XIV) as a dispersing agent for powder-form substances, typically selected from the group consisting of clays, porcelain slip, silicate flour, chalk, carbon black, rock flour, pigments, talc, plastic powders and mineral binders, and methods for improving the flow properties of powder-form substances and mixtures including powder-form substances and polymers having the formula (XIV).Type: ApplicationFiled: October 2, 2012Publication date: September 4, 2014Inventors: Ueli Sulser, Jörg Zimmermann, Lukas Frunz
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Patent number: 8821579Abstract: A tibial prosthesis including an articulating component and a tray component with a rim that extends proximally to support the articulating component, the tray component enabling flexion of the rim relative to a bone-contacting surface of the tray component.Type: GrantFiled: August 25, 2010Date of Patent: September 2, 2014Assignee: Zimmer GmbHInventors: Andrew J. Jukes, Rosemary E. Thompson, Jörg Zimmermann
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Publication number: 20140163161Abstract: Comb polymers having carboxyl/carboxylate and ester groups, containing a) 0.1-0.9 mol fractions of a partial structural unit S1, which is derived from an acrylic/methacrylic or maleic acid unit, b) 0-0.4 mol fractions of a partial structural unit S2, which is derived, for example, from an acrylic/methacrylic or maleic acid unit, which is esterified by means of a C1 to C20-alkanol or a polyalkylene glycol, alkyl-capped on one end, preferably a polyethylene glycol, and c) 0.1-0.4 mol fractions of a partial structural unit S3, which is derived from an acrylic/methacrylic or maleic acid unit, which is esterified by means of a polyalkylene glycol monoalkyl ether, which has a terminal, secondary hydroxyl group of the form-CH(R3)OH, wherein R3 is bulky alkyl group, preferably a methyl group.Type: ApplicationFiled: August 31, 2012Publication date: June 12, 2014Applicant: SIKA TECHNOLOGY AGInventors: Ueli Sulser, Jörg Zimmermann, Lukas Frunz
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Publication number: 20130217808Abstract: The invention relates to a method for producing comb polymers, wherein at least one polycarboxylic acid or a salt thereof is esterified with at least one monohydroxy polyether, comprising the following steps: (a) preparing a reaction mixture containing at least one polycarboxylic acid; (b) heating the reaction mixture to at least 80° C.; (c) adding a base; and (d) esterifying the mixture at a reaction temperature of at least 80° C. obtaining a comb polymer, wherein at least one monohydroxy polyether is added to the reaction mixture in step (a) and/or (b). The invention further relates to comb polymers, cement compositions, molded bodies, and uses of comb polymers.Type: ApplicationFiled: December 7, 2011Publication date: August 22, 2013Applicant: SIKA TECHNOLOGY AGInventors: Ueli Sulser, Lukas Frunz, Jorg Zimmermann, Jurg Weidmann
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Publication number: 20130109819Abstract: The invention relates to a mono-substituted phosphinic acid and to the use thereof as a regulator in radical polymerization. Such regulators do not result in the formation of poorly soluble salts, and in addition, the polymers produced with the regulators according to the invention are characterized by a uniform polymerization degree having a narrow size distribution. In addition, the invention relates to a method for producing such mono-substituted phosphinic acids.Type: ApplicationFiled: July 19, 2011Publication date: May 2, 2013Applicant: SIKA TECHNOLOGY AGInventors: Ueli Sulser, Lukas Frunz, Jörg Zimmermann
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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: 20130030087Abstract: A comb polymer and use thereof for improving the processing of hydraulically setting compositions. The comb polymer has ester, amide and/or ether groups on side chains bound to a main chain and the main chain has at least one acrylic acid unit A or a salt thereof and at least one methacrylic acid unit M or a salt thereof. Processes for producing a hydraulically setting composition with longer processing time.Type: ApplicationFiled: September 21, 2012Publication date: January 31, 2013Applicant: Sika Technology AGInventors: Ueli SULSER, Christina Hampel, Jörg Zimmermann
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Publication number: 20120264851Abstract: Additives selected from primary, secondary, and tertiary alkyl amines and quaternary alkyl ammonium compounds are added to argillaceous gypsum compositions comprising comb polymers to improve the workability thereof. Argillaceous gypsum compositions, dispersing agents, a method for producing argillaceous gypsum compositions, and molded parts that can be produced from the gypsum compositions are also described.Type: ApplicationFiled: December 14, 2010Publication date: October 18, 2012Applicant: SIKA TECHNOLOGY AGInventors: Christina Hampel, Jabbar Ai Shemari, Jorg Zimmermann, Robert Flatt
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Patent number: 8273808Abstract: A polymer P as a dispersant for gypsum compositions, as well as gypsum compositions including the polymer P. The polymer P includes at least one acid unit and at least one long side chain with a molecular weight of at least 1800 g/mol, including polyoxyalkylene groups, and has an acid content of 1.5 to 4 acid groups per gram of polymer.Type: GrantFiled: July 30, 2009Date of Patent: September 25, 2012Assignee: Sika Technology AGInventors: Christina Hampel, Ueli Sulser, Jabbar Al Shemari, Jorg Zimmermann
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Publication number: 20120123012Abstract: The present invention relates to microcapsules composed of a shell of polymers and of a core comprising photoinitiators which exhibit acylphosphine oxides, their derivatives or amine coinitiators or mixtures of these compounds, and also to the preparation of these microcapsules and to their use for dental materials.Type: ApplicationFiled: October 23, 2007Publication date: May 17, 2012Inventors: Volker Rheinberger, Ulrich Salz, Jörg Zimmermann, Katharina Landfester, Ulrich Ziener, Marissa Volz
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Publication number: 20110160349Abstract: A polymer P for prolonging the flowability of water-reduced aqueous hydraulically setting compositions, and a method for prolonging the flowability of water-reduced aqueous hydraulically setting compositions.Type: ApplicationFiled: August 26, 2009Publication date: June 30, 2011Applicant: SIKA TECHNOLOGY AGInventors: Lukas Frunz, Ueli Sulser, Jorg Zimmermann, Jurgen Gresser
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Publication number: 20110160351Abstract: A polymer P as a dispersant for gypsum compositions, as well as gypsum compositions including the polymer P. The polymer P includes at least one acid unit and at least one long side chain with a molecular weight of at least 1800 g/mol, including polyoxyalkylene groups, and has an acid content of 1.5 to 4 acid groups per gram of polymer.Type: ApplicationFiled: July 30, 2009Publication date: June 30, 2011Applicant: SIKA TECHNOLOGY AGInventors: Christina Hampel, Ueli Sulser, Jabbar Al Shemari, Jorg Zimmermann
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Publication number: 20110098823Abstract: A tibial prosthesis including an articulating component and a tray component with a rim that extends proximally to support the articulating component, the tray component enabling flexion of the rim relative to a bone-contacting surface of the tray component.Type: ApplicationFiled: August 25, 2010Publication date: April 28, 2011Applicant: ZIMMER, GMBHInventors: Andrew J. Jukes, Rosemary E. Thompson, Jörg Zimmermann
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Publication number: 20110098824Abstract: A cemented tibial prosthesis having a bone-contacting surface with a porous outer rim. With the bone-contacting surface seated against a resected proximal tibia, bone cement or another suitable adhesive will travel into the pores of the porous outer rim to enhance the connection between the tibial prosthesis and the tibia.Type: ApplicationFiled: August 25, 2010Publication date: April 28, 2011Applicant: ZIMMER, GMBHInventors: Andrew J. Jukes, Rosemary E. Thompson, Jörg Zimmermann
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Patent number: 7851515Abstract: Dental composition containing (i) at least one acid (meth)acrylamide monomer which has two or more polymerizable groups, (ii) at least one acid monomer which has only one polymerizable group and (iii) at least one polymerization initiator.Type: GrantFiled: August 25, 2005Date of Patent: December 14, 2010Assignee: Ivoclar Vivadent AGInventors: Ulrich Salz, Angela Mucke, Jorg Zimmermann, Norbert Moszner, Frank Zeuner, Volker Rheinberger
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Publication number: 20100041790Abstract: Polymerizable dental material, characterized in that it contains at least one (meth)acrylamide phosphate of the following general formula (I): in which R1 is H or CH3; R2 is H or a C1-C4 alkyl radical or forms together with the nitrogen atom to which it is bonded and one or more atoms which belong to R3 or R3? a heterocyclic ring; R3, R3? independently of each other are a linear or branched aliphatic C1-C50 radical with a valency of m+n or p+n, an aromatic C6-C18 radical with a valency of m+n or p+n, or a cycloaliphatic, araliphatic or heterocyclic C3-C18 radical with a valency of m+n or p+n, wherein the carbon chains of the radical or radicals can be interrupted by O, S, CONR4, OCONH, or form together with one or more atoms which belong to R2 and the nitrogen atom, to which the R2 is bonded a heterocyclic ring, R3? being H if p=0, and R4 being H, C1-C10 alkyl, C6-C12 aryl, C6-C10 aralkyl or a bicyclic C4-C12 radical; n is 1, 2, 3 or 4 if p=0, and is 1 or 2 if p?0; m is 1, 2, 3 or 4; p is 0, 1, 2, 3 or 4;Type: ApplicationFiled: October 23, 2009Publication date: February 18, 2010Applicant: IVOCLAR VIVADENT AGInventors: Norbert MOSZNER, Iris LAMPARTH, Frank ZEUNER, Ulrich SALZ, Angela MUCKE, Jorg ZIMMERMANN, Jorg ANGERMANN, Volker M. RHEINBERGER
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Patent number: 7622538Abstract: Polymerizable dental material, characterized in that it contains at least one (meth)acrylamide phosphate of the following general formula (I): in which R1 is H or CH3; R2 is H or a C1-C4 alkyl radical or forms together with the nitrogen atom to which it is bonded and one or more atoms which belong to R3 or R3? a heterocyclic ring; R3, R3? independently of each other are a linear or branched aliphatic C1-C50 radical with a valency of m+n or p+n, an aromatic C6-C18 radical with a valency of m+n or p+n, or a cycloaliphatic, araliphatic or heterocyclic C3-C18 radical with a valency of m+n or p+n, wherein the carbon chains of the radical or radicals can be interrupted by O, S, CONR4, OCONH, or form together with one or more atoms which belong to R2 and the nitrogen atom, to which the R2 is bonded a heterocyclic ring, R3? being H if p=0, and R4 being H, C1-C10 alkyl, C6-C12 aryl, C6-10 aralkyl or a bicylic C4-C12 radial; n is 1, 2, 3 or 4 if p=0, and is 1 or 2 if p ?0; m is 1, 2, 3 or 4; p is 0, 1, 2, 3 or 4; xType: GrantFiled: August 25, 2005Date of Patent: November 24, 2009Assignee: Ivoclar Vivadent AGInventors: Norbert Moszner, Iris Lamparth, Frank Zeuner, Ulrich Salz, Angela Mucke, Jorg Zimmermann, Jorg Angermann, Volker M. Rheinberger
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Patent number: 7553881Abstract: Dental material which contains at least one compound of the formula [PG]m—R1—Z—SP—Y—R2—[WG]p, in which m=1, 2 or 3; p=1, 2 or 3; R1=is absent, a linear or branched C1 to C20 alkylene radical which can be interrupted one or more times by O, S, NH, SiR?, CONH CONR?, COO and/or OCONH, a substituted or unsubstituted, aromatic C6 to C14 radical or a combination thereof R2=is absent, a linear or branched C1 to C20 alkylene radical which can be interrupted one or more times by O, S, NH, SiR?, CONH CONR?, COO and/or OCONH, a substituted or unsubstituted, aromatic C6 to C14 radical or a combination thereof; PG=a radically polymerizable group; SP=a polymeric spacer which is selected from polyethylene glycol, polypropylene glycol, polyglycerol, polyalkyloxazoline, polyethyleneimine, polyacrylic acid, polymethacrylic acid, polyvinyl alcohol, polyvinyl acetate, poly-(2-hydroxyethyl)acrylate, poly-(2-hydroxyethyl)methacrylate groups, hydrophilic polypeptide groups and copolymers of the corresponding monomers; WG=antimicrobType: GrantFiled: August 11, 2006Date of Patent: June 30, 2009Assignee: Ivoclar Vivadent AGInventors: Ulrich Salz, Jörg Zimmermann, Dirk Poppe, Volker Rheinberger, Jörg Tiller, Christian Waschinski
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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: 20070254979Abstract: Dental material which contains at least one compound of the formula [PG]m-R1-Z-SP—Y—R2—[WG]p, in which m=1, 2 or 3; p=1, 2 or 3; R1=is absent, a linear or branched C1 to C20 alkylene radical which can be interrupted one or more times by O, S, NH, SiR?, CONH CONR?, COO and/or OCONH, a substituted or unsubstituted, aromatic C6 to C14 radical or a combination thereof; R2=is absent, a linear or branched C1 to C20 alkylene radical which can be interrupted one or more times by O, S, NH, SiR?, CONH CONR?, COO and/or OCONH, a substituted or unsubstituted, aromatic C6 to C14 radical or a combination thereof; PG=a radically polymerizable group; SP=a polymeric spacer which is selected from polyethylene glycol, polypropylene glycol, polyglycerol, polyalkyloxazoline, polyethyleneimine, polyacrylic acid, polymethacrylic acid, polyvinyl alcohol, polyvinyl acetate, poly-(2-hydroxyethyl)acrylate, poly-(2-hydroxyethyl)methacrylate groups, hydrophilic polypeptide groups and copolymers of the corresponding monomers; WG=antimicroType: ApplicationFiled: August 11, 2006Publication date: November 1, 2007Applicant: IVOCLAR VIVADENT AGInventors: Ulrich Salz, Jorg Zimmermann, Dirk Poppe, Volker Rheinberger, Jorg Tiller, Christian Waschinski