Patents by Inventor Norbert Schall
Norbert Schall 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: 10047480Abstract: The present invention relates to a process for producing corrugated fiberboard from plies of paper which each have a grammage of 70 to 200 g/m2 and of which at least one ply of paper is obtained by a process comprising the addition of (A) 0.25 to 5 wt %, based on dry paper stock, of at least one cationic polymer comprising vinylamine units, and (B) 0 to 5 wt %, based on dry paper stock, of at least one polymeric anionic compound, to a paper stock, draining the paper stock by sheet formation, coating the paper web obtained with (C) 0.Type: GrantFiled: March 10, 2015Date of Patent: August 14, 2018Assignee: BASF SEInventors: Matthew Buchan, Reinhard Haffke, Guido Rensen, Christoph Hamers, Norbert Schall
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Publication number: 20170362776Abstract: A process for producing paper or board, which process comprises ad-mixing (I) an aqueous composition of pH ?6 and (II) at least one water-soluble polymeric anionic compound to a paper stock having a pH in the range from 6 to 8 and then dewatering the paper stock by sheet formation and drying, wherein the aqueous composition comprises (a) polymers having primary amino groups and/or amidine groups to a combined content for these groups of ?1.5 meq/g of polymer, and (b) 0.01 to 50 mol % of 1,4-cyclohexanedione (b) based on the combined amount of primary amino groups and/or amidine groups of the polymers, and also to the paper or board thus obtained.Type: ApplicationFiled: December 4, 2015Publication date: December 21, 2017Applicant: BASF SEInventors: Hans-Joachim HAEHNLE, Christoph HAMERS, Anton ESSER, Hubert MEIXNER, Matthew BUCHAN, Norbert SCHALL, Stefan SPANGE, Katja TROMMLER, Hendryk WUERFEL, Susan SEIFERT, Tina WALTHER
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Publication number: 20170183821Abstract: The present invention relates to a process for producing corrugated fiberboard from plies of paper which each have a grammage of 70 to 200 g/m2 and of which at least one ply of paper is obtained by a process comprising the addition of (A) 0.25 to 5 wt %, based on dry paper stock, of at least one cationic polymer comprising vinylamine units, and (B) 0 to 5 wt %, based on dry paper stock, of at least one polymeric anionic compound, to a paper stock, draining the paper stock by sheet formation, coating the paper web obtained with (C) 0.Type: ApplicationFiled: March 10, 2015Publication date: June 29, 2017Inventors: Matthew BUCHAN, Reinhard HAFFKE, Leonardus Guido Antonius RENSEN, Christoph HAMERS, Norbert SCHALL
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Patent number: 9085491Abstract: A carbon-containing lithium titanium oxide containing spherical particle aggregate with a diameter of 1-80 ?m, consisting of lithium titanium oxide primary particles coated with carbon. Also, a method for the production of such a carbon-containing lithium titanium oxide as well as an electrode containing such a carbon-containing lithium titanium oxide as active material as well as a lithium-ion secondary battery containing an above-described electrode.Type: GrantFiled: February 28, 2014Date of Patent: July 21, 2015Assignee: Sued-Chemie IP GmbH & Co. KGInventors: Jasmin Dollinger, Andreas Pollner, Michael Holzapfel, Nicolas Tran, Norbert Schall, Max Eisgruber
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Patent number: 8926797Abstract: Process for the production of paper, board and cardboard having high dry strength by addition of (a) at least one trivalent cation in the form of a salt, (b) at least one water-soluble cationic polymer and (c) at least one water-soluble amphoteric polymer to the paper stock, draining of the paper stock with sheet formation and subsequent drying of the paper products, the water-soluble cationic polymer (b) being selected from the group consisting of the (i) polymers comprising vinylamine units and (ii) polymers comprising ethylenimine units.Type: GrantFiled: June 7, 2010Date of Patent: January 6, 2015Assignee: BASF SEInventors: Christian Jehn-Rendu, Ellen Krueger, Hans-Joachim Haehnle, Martin Ruebenacker, Norbert Schall, Thomas Muehlenbernd
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Publication number: 20140175687Abstract: A carbon-containing lithium titanium oxide containing spherical particle aggregate with a diameter of 1-80 ?m, consisting of lithium titanium oxide primary particles coated with carbon. Also, a method for the production of such a carbon-containing lithium titanium oxide as well as an electrode containing such a carbon-containing lithium titanium oxide as active material as well as a lithium-ion secondary battery containing an above-described electrode.Type: ApplicationFiled: February 28, 2014Publication date: June 26, 2014Applicant: SUED-CHEMIE IP GMBH & CO., KGInventors: Jasmin Dollinger, Andreas Pollner, Michael Holzapfel, Nicolas Tran, Norbert Schall, Max Eisgruber
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Patent number: 8404083Abstract: Process for the production of paper, board and cardboard having high dry strength by addition of at least one water-soluble (a) polymer comprising vinylamine units and at least one (b) polymer comprising ethylenimine units and at least one water-soluble polymeric anionic compound to a paper stock, draining of the paper stock with sheet formation and drying of the paper products, the water-soluble cationic polymers (a) and (b) being metered in any sequence or as a mixture into a paper stock, and papers which are obtainable by this process.Type: GrantFiled: August 10, 2009Date of Patent: March 26, 2013Assignee: BASF SEInventors: Hans-Joachim Haehnle, Christian Jehn-Rendu, Rainer Blum, Ellen Krueger, Norbert Schall, Martin Ruebenacker
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Patent number: 8349134Abstract: The invention relates to a process for producing paper, board and cardboard of high dry strength by separately adding a polymer comprising vinylamine units and a polymeric anionic compound to a paper pulp, dewatering the pulp and drying the paper products, which comprises using as polymeric anionic compound at least one copolymer obtainable by copolymerizing (a) at least one N-vinylcarboxamide of the formula in which R1 and R2 are H or C1- to C6 alkyl, (b) at least one monoethylenically unsaturated monomer comprising acid groups, and/or the alkali metal, alkaline earth metal or ammonium salts thereof, and if appropriate (c) other monoethylenically unsaturated monomers, and if appropriate (d) compounds having at least two ethylenically unsaturated double bonds in their molecule.Type: GrantFiled: November 21, 2005Date of Patent: January 8, 2013Assignee: BASF SEInventors: Anton Esser, Hans-Joachim Haehnle, Martin Ruebenacker, Norbert Schall, Jacques Dupuis, Josef Neutzner, Manfred Niessner, Berthold Sturm
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Publication number: 20120073773Abstract: Process for the production of paper, board and cardboard having high dry strength by addition of (a) at least one trivalent cation in the form of a salt, (b) at least one water-soluble cationic polymer and (c) at least one water-soluble amphoteric polymer to the paper stock, draining of the paper stock with sheet formation and subsequent drying of the paper products, the water-soluble cationic polymer (b) being selected from the group consisting of the (i) polymers comprising vinylamine units and (ii) polymers comprising ethylenimine units.Type: ApplicationFiled: June 7, 2010Publication date: March 29, 2012Applicant: BASF SEInventors: Christian Jehn-Rendu, Ellen Krueger, Hans-Joachim Haehnle, Martin Ruebenacker, Norbert Schall, Thomas Muehlenbernd
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Patent number: 8053075Abstract: The invention relates to a crystalline ion-conducting material made of LiMPO4 nanoparticles, wherein M is selected from Cr, Mn, Co, Fe and Ni, in addition to mixtures thereof and the nanoparticles have an essentially flat prismatic shape. The invention also relates to a method for producing said type of crystalline ion-conducting material which consists of the following steps: a precursor component is produced in a solution front a lithium compound of a component containing metal ions M and a phosphate compound, the precursor compound is subsequently precipitated from the solution and, optionally, a suspension of the precursor compound is formed, the precursor compound and/or the suspension is dispersed and/or ground, and the precursor compound and/or the suspension is converted under hydrothermal conditions and subsequently, the crystalline material is extracted.Type: GrantFiled: March 9, 2006Date of Patent: November 8, 2011Assignee: Sued-Chemie AGInventors: Norbert Schall, Gerhard Nuspl, Christian Vogler, Lucia Wimmer, Max Eisgruber
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Publication number: 20110217593Abstract: A carbon-containing lithium titanium oxide containing spherical particle aggregate with a diameter of 1-80 ?m, consisting of lithium titanium oxide primary particles coated with carbon. Also, a method for the production of such a carbon-containing lithium titanium oxide as well as an electrode containing such a carbon-containing lithium titanium oxide as active material as well as a lithium-ion secondary battery containing an above-described electrode.Type: ApplicationFiled: October 7, 2009Publication date: September 8, 2011Applicant: Sud-Chemie AGInventors: Jasmin Dollinger, Andreas Pollner, Michael Holzapfel, Nicolas Tran, Norbert Schall, Max Eisgruber
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Publication number: 20110132559Abstract: Process for the production of paper, board and cardboard having high dry strength by addition of at least one water-soluble (a) polymer comprising vinylamine units and at least one (b) polymer comprising ethylenimine units and at least one water-soluble polymeric anionic compound to a paper stock, draining of the paper stock with sheet formation and drying of the paper products, the water-soluble cationic polymers (a) and (b) being metered in any sequence or as a mixture into a paper stock, and papers which are obtainable by this process.Type: ApplicationFiled: August 10, 2009Publication date: June 9, 2011Applicant: BASF SEInventors: Hans-Joachim Haehnle, Christian Jehn-Rendu, Rainer Blum, Ellen Krueger, Norbert Schall, Martin Ruebenacker
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Patent number: 7922867Abstract: Process for the production of paper, board and cardboard having high dry strength by separate addition of a polymer comprising vinylamine units and of ligninsulfonic acid and/or a ligninsulfonate to a paper stock, draining of the paper stock and drying of the paper products.Type: GrantFiled: March 9, 2007Date of Patent: April 12, 2011Assignee: BASF SEInventors: Norbert Schall, Ellen Krueger, Martin Ruebenacker
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Patent number: 7867614Abstract: A process for modification, in particular for surface modification of an organophilic clay material, encompassing the following steps: a) provision of a dry, pulverulent, organophilic clay material (component a); b) provision of at least one additive (component b) for modification of component a); c) intensive mixing of components a) and b) in a high-shear mixing assembly, where no water or solvent is added or used for addition of component b).Type: GrantFiled: June 14, 2004Date of Patent: January 11, 2011Assignee: Rockwood Clay Additives, GmbHInventors: Rainer Seeling, Heinz-Dieter Metzemacher, Norbert Schall, Günther Lübbe
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Publication number: 20100108279Abstract: Process for the production of paper, board and cardboard having high dry strength by separate addition of a polymer comprising vinylamine units and of ligninsulfonic acid and/or a ligninsulfonate to a paper stock, draining of the paper stock and drying of the paper products.Type: ApplicationFiled: March 9, 2007Publication date: May 6, 2010Applicant: BASF SEInventors: Norbert Schall, Ellen Krueger, Martin Ruebenacker
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Publication number: 20090233096Abstract: The invention relates to a crystalline ion-conducting material made of LiMPO4 nanoparticles, wherein M is selected from Cr, Mn, Co, Fe and Ni, in addition to mixtures thereof and the nanoparticles have an essentially flat prismatic shape. The invention also relates to a method for producing said type of crystalline ion-conducting material which consists of the following steps: a precursor component is produced in a solution front a lithium compound of a component containing metal ions M and a phosphate compound, the precursor compound is subsequently precipitated from the solution and, optionally, a suspension of the precursor compound is formed, the precursor compound and/or the suspension is dispersed and/or ground, and the precursor compound and/or the suspension is converted under hydrothermal conditions and subsequently, the crystalline material is extracted.Type: ApplicationFiled: March 9, 2006Publication date: September 17, 2009Inventors: Norbert Schall, Gerhard Nuspl, Christian Vogler, Lucia Wimmer, Max Bisgruber
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Publication number: 20090145566Abstract: The invention relates to a process for producing paper, board and cardboard of high dry strength by separately adding a polymer comprising vinylamine units and a polymeric anionic compound to a paper pulp, dewatering the pulp and drying the paper products, which comprises using as polymeric anionic compound at least one copolymer obtainable by copolymerizing (a) at least one N-vinylcarboxamide of the formula in which R1 and R2 are H or C1- to C6 alkyl, (b) at least one monoethylenically unsaturated monomer comprising acid groups, and/or the alkali metal, alkaline earth metal or ammonium salts thereof, and if appropriate (c) other monoethylenically unsaturated monomers, and if appropriate (d) compounds having at least two ethylenically unsaturated double bonds in their molecule.Type: ApplicationFiled: November 21, 2005Publication date: June 11, 2009Applicant: BASF AKTIENGESELLSCHAFTInventors: Anton Esser, Hans-Joachim Hahnle, Martin Rubenacker, Norbert Schall, Jacques Dupuis, Josef Neutzner, Manfred Niessner, Berthold Sturm
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Patent number: 7335699Abstract: A description is given of water-soluble aminoplast ether copolymers of the following structural type: wherein Z is a glycoluril central unit, B is a radical of an essentially water-insoluble polymer and R1 is a radical of a hydrophilic organic compound. The ratio R1:B is selected within a range of about 1.5 to 4:1 and the overall mass of the water-soluble aminoplast ether copolymer is from about 2000 to 50 000 g/mol such that the copolymer is soluble in water and may be used as a dispersant for e.g. pigments in polar solvents, e.g. water.Type: GrantFiled: December 17, 2002Date of Patent: February 26, 2008Assignee: Sud-Chemie AGInventors: Klaus Dziwok, Inge Krämer, Norbert Schall, Helmut Coutelle, Sabine Huth, Alan Steinmetz, Thadeus Schauer, Heinz Greisiger, Mark Entenmann
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Publication number: 20070072980Abstract: A process for modification, in particular for surface modification of an organophilic clay material, encompassing the following steps: a) provision of a dry, pulverulent, organophilic clay material (component a); b) provision of at least one additive (component b) for modification of component a); c) intensive mixing of components a) and b) in a high-shear mixing assembly, where no water or solvent is added or used for addition of component b).Type: ApplicationFiled: June 14, 2004Publication date: March 29, 2007Applicant: SUD-CHEMIE AGInventors: Seeling Rainer, Heinz-Dieter Metzemacher, Norbert Schall, Gunther Lubbe
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Patent number: 6929860Abstract: Surface-modified fillers are described characterized by the fact that the fillers represent reactive inorganic fillers and the modifying agent represents an amphiphilic aminoplastic-ether polymer or copolymer of the structural type in which: Z denotes the same or different aminoplastic central units based on melamine-formaldehyde or urea-formaldehyde derivatives; n=10 to 500; R denotes the group —[O—CH2—CH2]mO—S in which m=5 to 500 and S represents a substituted or unsubstituted alkyl, aryl, alkaryl or aralkyl group.Type: GrantFiled: August 2, 2001Date of Patent: August 16, 2005Assignee: Sud-Chemie AGInventors: Alan Lawrence Steinmetz, Norbert Schall, Klaus Dziwok, Helmut Coutelle, Wolfgang Simon, Stefan Dick, Inge Krämer, Hubert Schiessling