Patents by Inventor Ralf Nörenberg
Ralf Nörenberg 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: 7410939Abstract: A cleaner composition which comprises at least one surfactant, at least one builder and at least one nitrogen-containing polymer is described. The nitrogen-containing polymer is, for example, an alkoxylated polyvinylamine, an alkoxylated, acylated or alkylated polyaminoamide or a polyurethane-urea with tertiary amino groups. The nitrogen-containing polymers facilitate soil release.Type: GrantFiled: December 11, 2002Date of Patent: August 12, 2008Assignee: BASF AktiengesellschaftInventors: Ralf Noerenberg, Helmut Meffert, Karl Haeberle, Martin Scholtissek, Cordula Mock-Knoblauch, Franz Weingart
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Patent number: 7320728Abstract: The rod-shaped apatite crystals of the formula Ca5(PO4)3(OH)xFy have the following features a) the length-to-breadth ratio of the crystals is at least ?5 and b) x+y=1, where if x or y?0 the total amount of the crystals is present as a mixture of individual hydroxyapatite crystals and fluoroapatite crystals and/or as mixed crystals, such that, based on the total amount of the crystals, (1?x)·100% of the hydroxide ions present if y=0 are replaced by fluoride ions. The invention furthermore describes dispersions which contain such rod-shaped apatite crystals, and a process for the preparation of the dispersions or of the apatite crystals.Type: GrantFiled: November 7, 2006Date of Patent: January 22, 2008Assignee: BASF AktiengesellschaftInventors: Ralf Noerenberg, Hans-Josef Sterzel, Volker Koch
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Patent number: 7268199Abstract: The present invention relates to the modification of surface properties of particulate, linear, sheet-like, or three-dimensional structures using alkoxylated polyvinylamines. The invention further relates to novel alkoxylated polyvinylamines, and also to a process for their preparation.Type: GrantFiled: June 13, 2001Date of Patent: September 11, 2007Assignee: BASF AktiengesellschaftInventors: Valerie Andre, Werner Bertleff, Oliver Borzyk, Juergen Huff, Ralf Noerenberg
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Publication number: 20070065355Abstract: The rod-shaped apatite crystals of the formula Ca5(PO4)3(OH)xFy have the following features a) the length-to-breadth ratio of the crystals is at least ?5 and b) x+y=1, where if x or y?0 the total amount of the crystals is present as a mixture of individual hydroxyapatite crystals and fluoroapatite crystals and/or as mixed crystals, such that, based on the total amount of the crystals, (1?x)·100% of the hydroxide ions present if y=0 are replaced by fluoride ions. The invention furthermore describes dispersions which contain such rod-shaped apatite crystals, and a process for the preparation of the dispersions or of the apatite crystals.Type: ApplicationFiled: November 7, 2006Publication date: March 22, 2007Applicant: BASK AktiengesellschaftInventors: Ralf NOERENBERG, Hans-Josef Sterzel, Volker Koch
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Publication number: 20070037725Abstract: A description is given of an alkanol-free alkoxylate of the general formula (I) CnH2n+1O(A)x(B)yR??(I) where R is C1-6 alkyl or benzyl A is ethyleneoxy B is C3-6 alkyleneoxy or mixtures thereof, it being possible for groups A and B to be in random distribution, in alternation or in the form of two or more blocks in any order, n is an integer in the range from 4 to 8 x is a number in the range from 0 to 25 y is a number in the range from 0 to 10 and x+y is at least 3.Type: ApplicationFiled: September 6, 2004Publication date: February 15, 2007Inventors: Ralf Noerenberg, Ulrich Annen
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Patent number: 7153482Abstract: The rod-shaped apatite crystals of the formula Ca5(PO4)3(OH)xFy have the following features a) the length-to-breadth ratio of the crystals is at least ?5 and b) x+y=1, where if x or y?0 the total amount of the crystals is present as a mixture of individual hydroxyapatite crystals and fluoroapatite crystals and/or as mixed crystals, such that, based on the total amount of the crystals, (1?x)·100% of the hydroxide ions present if y=0 are replaced by fluoride ions. The invention furthermore describes dispersions which contain such rod-shaped apatite crystals, and a process for the preparation of the dispersions or of the apatite crystals.Type: GrantFiled: June 30, 2005Date of Patent: December 26, 2006Assignee: BASF AktiengesellschaftInventors: Ralf Noerenberg, Hans-Josef Sterzel, Volker Koch
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Publication number: 20060254460Abstract: A solid, water-free and alkanol-free composite material comprises organic and/or inorganic water-insoluble particles or pigments in a mixture with at least one compound of the general formula (I) CnH2n+1O(A)x(B)yR??(I) where R is H, C1-6 alkyl or benzyl A is ethyleneoxy B is C3-10 alkyleneoxy or mixtures thereof, ?it being possible for groups A and B to be randomly distributed, alternating or in the form of two or more blocks in any order, n is an integer in the range from 4 to 8 x is a number in the range from 1 to 25 y is a number in the range from 0 to 10 and x+y is at least 1.Type: ApplicationFiled: September 9, 2004Publication date: November 16, 2006Applicant: BASF AktiengesellshaftInventors: Ralf Noerenberg, Michael Gotsche, Hans-Peter Seelmann-Eggebert, Paul Klingelhofer
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Publication number: 20060052579Abstract: In the polymer of transition-metal-bridged units of the formula (I) where A is an m-valent organic radical, T independently of one another are O or NH, Q independently of one another are CHR1—CH2 where R1 is H or optionally substituted C1-6-alkyl, R independently of one another are H, 2-pyridyl, 2-imidazolinyl, 2-imidazolyl, 2-thiazolinyl, 2-thiazolyl, 2-pyridazyl, 2-pyrimidyl, carboxyl, carboxylic ester radical, carboxamide radical, carboxylate, phosphonate, where at least one of the radicals R is different from H, M is Fe2+, Fe3+, Co2+, Co3+, Zn2+, Ru2+, Os2+, Ni2+, Z is SO42?, CH3OO?, BF4?, SF6?, Cl?, I?, PF6?, perchlorate, n is 1 to 10 000, m is 2 to 100, p is a number which corresponds to the charge balance within the polymer, the average molecular weight of the polymer is at least 15 000.Type: ApplicationFiled: October 24, 2003Publication date: March 9, 2006Applicant: BASF AKTIENGESELLSCHAFTInventors: Ralf Noerenberg, Norbert Wagner, Minica Gonzalez, Ulrich Schubert, Stefan Schmatloch
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Publication number: 20060009368Abstract: The present invention relates to novel alkylglycidol carbonates and to their use as cosurfactants. The cosurfactants are suitable for use in household detergents, household cleaners, body-cleansing compositions and body care compositions.Type: ApplicationFiled: September 30, 2003Publication date: January 12, 2006Inventors: Ralf Noerenberg, Michael Kluge, Christian Wulff, Jurgen Tropsch, Martin Scholtissek
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Patent number: 6984451Abstract: The present invention relates to a particulate, linear, sheet-like or three-dimensional structure comprising, at least on its surface, a hydrophilicizing amount of at least one acylated polyamine, where at least some of the polyamine nitrogen atoms bear acyl radicals of the formula I R1—CO—??(I) where R1 is hydrogen, C1–C27-alkyl, C7–C27-alkenyl or C6–C10-aryl, and where the alkyl, alkenyl and aryl groups may bear at least one substituent selected from the class consisting of hydroxyl, alkoxy, alkoxycarbonyl and NE1E2, where E1 and E2 may be identical or different and are hydrogen, alkyl or acyl, to the use of acylated polyamines for modifying the surface properties of solids, and also to a process for modifying the surface properties of particulate, linear, sheet-like, or three-dimensional structures.Type: GrantFiled: June 13, 2001Date of Patent: January 10, 2006Assignee: BASF AktiengesellschaftInventors: Valerie Andre, Werner Bertleff, Oliver Borzyk, Jürgen Huff, Ralf Nörenberg, Michael Zirnstein
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Patent number: 6911054Abstract: Use of cationically modified, particulate, hydrophobic polymers, the surface of which has been cationically modified by coating with polyvalent metal ions and/or cationic surfactants, the particle size of which is 10 nm to 100 ?m, as additive to rinse compositions, care compositions, detergents and cleaners, and also rinse compositions, care compositions, detergents and cleaners which comprise the cationically modified, particulate, hydrophobic polymers.Type: GrantFiled: June 2, 2001Date of Patent: June 28, 2005Assignee: BASF AktiengesellschaftInventors: Dieter Boeckh, Ralf Nörenberg, Jürgen Detering, Werner Bertleff, Holger Schöpke, Reinhold J. Leyrer, Jürgen Huff
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Patent number: 6908490Abstract: The invention relates to the use of cationically-modified, particle-shaped, hydrophobic polymers as addition agents in rinsing, care, detergent, and cleaning products. The surface of said polymers is cationically modified by means of a coating of cationic polymers and the particle size of said polymers ranges from 10 nm to 100 ?m.Type: GrantFiled: June 2, 2001Date of Patent: June 21, 2005Assignee: BASF AktiengesellschaftInventors: Dieter Boeckh, Ralf Nörenberg, Sören Hildebrandt, Bernhard Mohr, Holger Schöpke, Reinhold J. Leyrer, Jürgen Huff
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Publication number: 20050049167Abstract: The invention relates to alkylglycol alkoxylates and alkyldiglycol alkoxylates that are obtainable by alkoxylating C4-8 alkylglycols or diglycols with C2-5 alkoxides up to an average alkoxylation degree of 1 to 8, based on the C4-8alkylglycols or diglycols. The invention further relates to mixtures from C2-5 alkoxylates of C4-8 alkylgycols or -diglycols that have an average alkoxylation degree of 1 to 8 and tensides that have an interfacial tension of less than 45 mN/m at 20° C. when dissolved in an amount of 5 g/l of water, and/or to diyhdroxyalkins or derivatives thereof.Type: ApplicationFiled: January 21, 2003Publication date: March 3, 2005Inventors: Ralf Noerenberg, Gunter Oetter, Jurgen Tropsch, Helmut Gumbel, Nicole Lichterfeld-Weber, Hubertus Kroner, Hans-Peter Seelmann-Eggebert
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Patent number: 6740633Abstract: Polyelectrolyte complexes of cationic and anionic polymers which consist of (a) cationic condensates of (i) at least one amine and (ii) a crosslinking agent from the group consisting of epihalohydrins, bishalohydrins of diols, bishalohydrins of polyalkylene glycols, bishalohydrins of polytetrahydrofurans, alkylene dihalides, alkylene trihalides, bisepoxides, trisepoxides, tetraepoxides and/or mixtures of said compounds, and/or quaternized cationic condensates of (i) and (ii), and (b) anionic compounds containing at least three anionic groups and have a charge ratio between anionic and cationic polymers of from 0.01 to 20, and a process for the preparation of the polylectrolyte complexes by mixing the cationic condensates (a) with anionic compounds (b).Type: GrantFiled: November 6, 2002Date of Patent: May 25, 2004Assignee: BASF AktiengesellschaftInventors: Ralf Nörenberg, Sören Hildebrandt, Michael Kluge, Dieter Boeckh
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Patent number: 6703523Abstract: A zwitterionic polyetherpolyamine comprising a linear or branched polyetherpolyamine backbone having 2 to 10 tertiary amino nitrogen atoms and a molecular weight of from 100 to 800, at least one tertiary amine end group of the polyetherpolyamine backbone contains two groups having the formula wherein A means an ethylene oxide unit, a propylene oxide unit, a unit of butylene oxides and a tetrahydrofuran unit, n is a number of from 1 to 50, X is an anionic group, with the proviso that in formula II one X may also be hydrogen and M is hydrogen, alkali metal or ammonium, or contains one group of formula I or II and one group selected from radicals consisting of C1- to C22-alkyl and C7- to c22-aralkyl, the meaning of A and n is the same as in formula I or II, said zwitterionic polyetherpolyamine having a molecular weight up to 9,000 and optionally containing up to 100% of the nitrogen atoms quaternized, and a process for the production of zwitterionic polyetherpolyamines byType: GrantFiled: January 11, 2002Date of Patent: March 9, 2004Assignee: BASF AktiengesellschaftInventors: Dieter Boeckh, Oliver Borzyk, Michael Ehle, Ralf Nörenberg, Eugene P. Gosselink, Jeffrey S. DuPont, Robert H. Rohrbaugh, Kenneth N. Price, Randall S. Deinhammer
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Patent number: 6673890Abstract: A zwitterionic polyamine comprising a linear or branched hydrophobic polyamine backbone having 2 to 10 tertiary amino nitrogen atoms and a spacer between two tertiary nitrogen atoms wherein the spacer is, for example selected from C8-C16-alkylene, C5-C15-cyloalkylene, wherein in formula (IV) R═C1- to C22-alkyl or C7-C22-aralkyl and n=3 to 6, at least one tertiary amine end group of the polyamine backbone contains two groups having formula (V) or (VI), wherein A means an ethylene oxide unit, a propylene oxide unit, a unit of butylene oxides and a tetrahydrofuran unit, n is a number of from 1 to 50, X is an anionic group such as —SO3M, with the proviso that in formula (VI) one X may also be hydrogen and M is hydrogen, alkai metal or ammonium, or contains one group of formula (V) or (VI) and one group selected from radicals consisting of formula (VII), C1- to C22-alkyl and C7-C22-aralkyl the meaning of A and n is the same as in formula (V) or (VI), said zwitterionic polyetherpolyamine having aType: GrantFiled: January 16, 2002Date of Patent: January 6, 2004Assignee: BASF AktiengesellschaftInventors: Dieter Boeckh, Oliver Borzyk, Michael Ehle, Ralf Nöerenberg, Eugene P. Gosselink, Jeffrey S. DuPont, Robert H. Rohrbaugh, Kenneth N. Price, Randall S. Deinhammer
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Patent number: 6627455Abstract: Fluorescent dyes bearing at least one reactive group capable of reaction with nucleophilic groups are used for the qualitative and, if desired, quantitative fluorescence-analytical determination of the surface adsorption of compounds bearing amino and/or imino groups.Type: GrantFiled: August 21, 2000Date of Patent: September 30, 2003Assignee: Basf AktiengesellschaftInventors: Ralf Nörenberg, Wolfgang Schrof, Norbert Mahr