Patents by Inventor Stephan Hüffer
Stephan Hüffer 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: 11666050Abstract: Disclosed are compositions comprising a) an antimicrobial agent, which is selected from the group consisting of biocides containing halogen atoms and/or containing phenolic moieties, formic acid, chlorine dioxide, chlorine dioxide generating compounds, dialdehydes; components containing an antimicrobial metal such as antimicrobial silver, and b) a polyamine, especially a polyethylenimine. The polyamine is effective as a booster for the antimicrobial agent.Type: GrantFiled: January 16, 2020Date of Patent: June 6, 2023Assignee: BASF SEInventors: Janina Purschwitz, Stephan Hüffer, Alejandra Garcia Marcos, Menno Hazenkamp
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Publication number: 20200221694Abstract: Disclosed are compositions comprising a) an antimicrobial agent, which is selected from the group consisting of biocides containing halogen atoms and/or containing phenolic moieties, formic acid, chlorine dioxide, chlorine dioxide generating compounds, dialdehydes; components containing an antimicrobial metal such as antimicrobial silver, and b) a polyamine, especially a polyethylenimine. The polyamine is effective as a booster for the antimicrobial agent.Type: ApplicationFiled: January 16, 2020Publication date: July 16, 2020Inventors: Janina Purschwitz, Stephan Hüffer, Alejandra Garcia Marcos, Menno Hazenkamp
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Publication number: 20190084898Abstract: An composition comprising: (A) a mixture comprising at least one (thio)phosphoric acid triamide according to the general formula (I) R1R2N—P(X)(NH2)2, wherein X is oxygen or sulfur; R1 is a C1 to C20 alkyl, C3 to C20 cycloalkyl, C6 to C20 aryl, or dialkylaminocarbonyl group; R2 is H, or R1 and R2 together with the nitrogen atom linking them define a 5- or 6-membered saturated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur, and (C) at least one amine selected from the group consisting of (C1) a polymeric polyamine, and (C2) an amine containing not more than one amino group and at least three alkoxy- or hydroxy-substituted C2 to C12 alkyl groups R21, wherein at least one of the groups R21 is different to the other groups R21, and (C3) an amine containing not more than one amino group and at least two alkoxy- or hydroxy-substituted C2 to C12 alkyl groups R22, wherein at least one of the grouType: ApplicationFiled: November 21, 2018Publication date: March 21, 2019Inventors: Karl-Heinrich SCHNEIDER, Claudia KLODWIG, Gregor PASDA, Alexander WISSEMEIER, Daniella LOHE, Achim REDDIG, Christian Carlos MIYAGAWA, Wolfram ZERULLA, Steffen TSCHIRSCHWITZ, Ralf-Thomas RAHN, Ansgar Gereon ALTENHOFF, Stephan HÜFFER
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Patent number: 10150712Abstract: An composition comprising: (A) a mixture comprising at least one (thio)phosphoric acid triamide according to the general formula (I) R1R2N—P(X)(NH2)2, wherein X is oxygen or sulfur; R1 is a C1 to C20 alkyl, C3 to C20 cycloalkyl, C6 to C20 aryl, or dialkylaminocarbonyl group; R2 is H, or R1 and R2 together with the nitrogen atom linking them define a 5- or 6-membered saturated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur, and (C) at least one amine selected from the group consisting of (C1) a polymeric polyamine, and (C2) an amine containing not more than one amino group and at least three alkoxy- or hydroxy-substituted C2 to C12 alkyl groups R21, wherein at least one of the groups R21 is different to the other groups R21, and (C3) an amine containing not more than one amino group and at least two alkoxy- or hydroxy-substituted C2 to C12 alkyl groups R22, wherein at least one of the groups RType: GrantFiled: June 27, 2014Date of Patent: December 11, 2018Assignee: BASF SEInventors: Karl-Heinrich Schneider, Claudia Klodwig, Gregor Pasda, Alexander Wissemeier, Daniella Lohe, Achim Reddig, Christian Carlos Miyagawa, Wolfram Zerulla, Steffen Tschirschwitz, Ralf-Thomas Rahn, Ansgar Gereon Altenhoff, Stephan Hüffer
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Publication number: 20170158575Abstract: An composition comprising: (A) a mixture comprising at least one (thio)phosphoric acid triamide according to the general formula (I) R1R2N—P(X)(NH2)2, wherein X is oxygen or sulfur; R1 is a C1 to C20 alkyl, C3 to C20 cycloalkyl, C6 to C20 aryl, or dialkylaminocarbonyl group; R2 is H, or R1 and R2 together with the nitrogen atom linking them define a 5- or 6-membered saturated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur, and (C) at least one amine selected from the group consisting of (C1) a polymeric polyamine, and (C2) an amine containing not more than one amino group and at least three alkoxy- or hydroxy-substituted C2 to C12 alkyl groups R21, wherein at least one of the groups R21 is different to the other groups R21, and (C3) an amine containing not more than one amino group and at least two alkoxy- or hydroxy-substituted C2 to C12 alkyl groups R22, wherein at least one of theType: ApplicationFiled: June 27, 2014Publication date: June 8, 2017Applicant: BASF SEInventors: Karl-Heinrich Schneider, Claudia Klodwig, Gregor Pasda, Alexander Wissemeier, Daniella Lohe, Achim Reddig, Christian Miyagawa, Wolfram Zerulla, Steffen Tschirschwitz, Ralf-Thomas Rahn, Ansgar Gereon Altenhoff, Stephan Hüffer
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Publication number: 20160312153Abstract: The present invention relates to a modified polysaccharide obtainable by a process comprising the step of treating a polysaccharide with gaseous or liquid SO2, a laundry detergent composition comprising said modified polysaccharide, the use of said modified polysaccharide to increase whiteness of a washed fabric, the use of said modified polysaccharide as anti-greying agent in aqueous laundry processes, the use of said modified polysaccharide as a rheology modifier for homecare applications and the use of said modified polysaccharide in the manufacture of a liquid laundry composition. Further aspects of the invention are a method for preparing a laundry detergent composition comprising said modified polysaccharide.Type: ApplicationFiled: December 10, 2014Publication date: October 27, 2016Applicant: BASF SEInventors: Stephan HÜFFER, Alejandra GARCIA MARCOS, Jürgen DETERING
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Patent number: 9228148Abstract: A method of producing shaped articles made from single-sidedly or double-sidedly galvanized steel sheet, starting from galvanized steel strip, at least one of the steps of the method being a transport operation, and in which, for protection from black-spot corrosion, a corrosion preventive oil is applied which comprises at least one phosphoric acid polyoxyalkylene ester.Type: GrantFiled: November 24, 2009Date of Patent: January 5, 2016Assignee: Voestalpine Stahl GmbHInventors: Stephan Hüffer, Helmut Witteler, Achim Feβenbecker, Karl-Heinz Stellnberger, Martin Fleischanderl
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Patent number: 8945610Abstract: The invention relates to a condensation product obtainable by reaction of a1) at least one bicyclic or polycyclic aromatic or heteroaromatic, where the bicyclic or polycyclic aromatic or heteroaromatic is substituted by at least one carboxyl group (—COOH), and where the carboxyl group can be present in salt form, a2) at least one carbonyl compound, a3) if appropriate at least one sulfonating agent, a4) at least one urea derivative, and a5) if appropriate at least one further aromatic or heteroaromatic, or a physiologically tolerable salt thereof.Type: GrantFiled: November 11, 2008Date of Patent: February 3, 2015Assignee: BASF SEInventors: Sebastien Garnier, Stephan Hüffer, Günter Scherr, Joachim Roser, Ulrich Mrowietz, Hans Wilhelm Doerr, Jindrich Cinatl, Martin Michaelis
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Publication number: 20140369953Abstract: Disclosed are compositions comprising a) an antimicrobial agent, which is selected from the group consisting of biocides containing halogen atoms and/or containing phenolic moieties, formic acid, chlorine dioxide, chlorine dioxide generating compounds, dialdehydes; components containing an antimicrobial metal such as antimicrobial silver, and b) a polyamine, especially a polyethylenimine. The polyamine is effective as a booster for the antimicrobial agent.Type: ApplicationFiled: February 19, 2013Publication date: December 18, 2014Applicant: BASF SEInventors: Janina Purschwitz, Stephan Hüffer, Alejandra Garcia Marcos, Menno Hazenkamp
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Patent number: 8697834Abstract: The invention relates to a process for the preparation of polyalkylenepolyamines by catalyzed alcohol amination, in which (i) aliphatic aminoalcohols are reacted with one another or (ii) aliphatic diamines or polyamines are reacted with aliphatic diols or polyols with the elimination of water in the presence of a catalyst.Type: GrantFiled: May 26, 2011Date of Patent: April 15, 2014Assignee: BASF SEInventors: Thomas Schaub, Boris Buschhaus, Johann-Peter Melder, Rocco Paciello, Stephan Hüffer, Helmut Witteler
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Publication number: 20130012383Abstract: Use of formulations comprising (A) one or more aminocarboxylates, selected from among methylglycine diacetate (MGDA) and its alkali metal salts and glutamic diacetate (GLDA) and its alkali metal salts, (B) at least one inorganic compound selected from among inorganic phosphates, inorganic phosphites, inorganic nitrates, ammonium salts and potassium salts and (C) optionally water for the application to plants, the ground or growth substrates.Type: ApplicationFiled: June 26, 2012Publication date: January 10, 2013Applicant: BASF SEInventors: Stephan Hüffer, Frank-Peter Lang, Alejandra Garcia Marcos, Alexander Wissemeier, Wolfgang Staffel
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Patent number: 8211550Abstract: A process for the production of leather using one or more reaction products of (a) triamines or higher amines with (b) at least one compound of the general formula I A1-R1??I where R1 is selected from hydrocarbon radicals having 10 to 5000 carbon atoms, straight-chain or branched, saturated or having from one to three C—C double bonds, and A1 from groups capable of reacting with amines.Type: GrantFiled: August 8, 2007Date of Patent: July 3, 2012Assignee: BASF SEInventors: Stephan Hüffer, Sebastien Garnier, Oliver Reese, Günter Scherr, Harald Kiesow
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Publication number: 20110236716Abstract: A method of producing shaped articles made from single-sidedly or double-sidedly galvanized steel sheet, starting from galvanized steel strip, at least one of the steps of the method being a transport operation, and in which, for protection from black-spot corrosion, a corrosion preventive oil is applied which comprises N-acyl derivatives of sarcosinic acid as corrosion inhibitor.Type: ApplicationFiled: November 23, 2009Publication date: September 29, 2011Applicant: BASF SEInventors: Stephan Hüffer, Helmut Witteler, Karl-Heinz Stellnberger, Martin Fleischanderl
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Publication number: 20110151266Abstract: The present invention relates to the use of oxidic nanoparticles having an average particle size of 2 to 2000 nm in combination with at least one polycationic polymer as corrosion protection for metallic surfaces and also to a method of protecting metallic surfaces from corrosion, comprising the steps of: i) providing a formulation comprising oxidic nanoparticles (a) and at least one polycationic polymer (b) and an application medium, ii) applying the formulation to the metallic surface that is to be protected, and iii) optionally drying and/or heat-treating the surface.Type: ApplicationFiled: December 2, 2010Publication date: June 23, 2011Applicant: BASF SEInventors: Stephan Hüffer, Helmut Witteler, Fabio Nicolini, Albert Budiman Sugiharto
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Publication number: 20100227186Abstract: A process for the production of leather using one or more reaction products of (a) triamines or higher amines with (b) at least one compound of the general formula I A1-R1??I where R1 is selected from hydrocarbon radicals having 10 to 5000 carbon atoms, straight-chain or branched, saturated or having from one to three C—C double bonds, and A1 from groups capable of reacting with amines.Type: ApplicationFiled: August 8, 2007Publication date: September 9, 2010Applicant: BASF SEInventors: Stephan Hüffer, Sebastien Garnier, Oliver Reese, Günter Scherr, Harald Kiesow
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Publication number: 20100192307Abstract: Process for the preparation of aqueous formulations, aqueous formulations and their use A process for the preparation of aqueous formulations, wherein (A) at least one ethylenically unsaturated mono- or dicarboxylic acid or the anhydride thereof, (B) at least one comonomer having at least one permanent cationic charge per molecule and (C-P1) at least one ethylenically unsaturated carboxamide, are subjected to free radical copolymerization with one another in an aqueous medium.Type: ApplicationFiled: August 5, 2008Publication date: August 5, 2010Applicant: BASF SEInventors: Markus Brym, Stephan Hüffer, Audrey Renoncourt, Ulrike Mahn, Franz Glocknitzer
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Publication number: 20100143632Abstract: A composition comprising polyethylenimine, poly(meth)acrylic acid or salts thereof and, if appropriate, auxiliaries and additives typical for coating materials or paints, and also solvents, is used for corrosion control for the coating of carbon steel/black steel.Type: ApplicationFiled: December 4, 2009Publication date: June 10, 2010Applicant: BASF SEInventors: FARID DJENADI, Stephan Hüffer, Helmut Witteler
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Publication number: 20090258074Abstract: The invention relates to a mixture comprising i) at least one condensation product (A) obtainable by reaction of a1) at least one aromatic system or heteroaromatic system, a2) at least one carbonyl compound, a3) if appropriate at least one sulfonating agent and a4) if appropriate at least one urea derivative, where the condensation product (A) has an Mw value ?9000 g/mol, and ii) at least one tanning agent having an Mw value ?3000 g/mol.Type: ApplicationFiled: February 28, 2007Publication date: October 15, 2009Applicant: BASF SEInventors: Stephan Hüffer, Oliver Reese, Günter Scherr, Sebastien Garnier, Ulrich Mrowietz
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Publication number: 20070107135Abstract: Leathers are produced by a process wherein pelts, pickled pelts or semifinished products are treated with at least one polymer which is obtainable by copolymerizing (A) at least one ethylenically unsaturated mono- or dicarboxylic acid of 3 to 8 carbon atoms or at least one anhydride derived from a mono- or dicarboxylic acid of 3 to 8 carbon atoms, (B) at least one vinylaromatic compound, (C) at least one alkoxylated unsaturated ether of the formula I (D) optionally further monoethylenically unsaturated monomers, where, in formula 1, the variables are defined as follows: R1, R2 and R3 are identical or different and are selected from C1-C4-alkyl and hydrogen; R4 and R5 are in each case identical or different and are selected from C1-C4-alkyl and hydrogen; R6 is selected from hydrogen, SO3M, PO3M2, C1-C30-alkyl, CO—H (formyl), CO—C1-C20-alkyl and CO—C6-C14-aryl, M is an alkali metal or NH4+ or CH3, n is an integer from 3 to 100 and y is an integer from 0 to 10.Type: ApplicationFiled: July 3, 2004Publication date: May 17, 2007Applicant: BASF AktiengesellschaftInventors: Stephan Hüffer, Gerhard Wolf, Matthias Kluglein, Stefan Becker
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Patent number: 7132488Abstract: In a process for the polymerization of isobutene or mixtures of isobutene with ethylenically unsaturated comonomers under the conditions of living cationic polymerization, the initiator system additionally comprises at least one nonpolymerizable, aprotic organosilicon compound having at least one Si—O bond.Type: GrantFiled: December 11, 2001Date of Patent: November 7, 2006Assignee: BASF AktiengesellschaftInventors: Stephan Hüffer, Hans Peter Rath, Gabriele Lang