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).

  • Patent number: 11666050
    Abstract: 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: Grant
    Filed: January 16, 2020
    Date of Patent: June 6, 2023
    Assignee: BASF SE
    Inventors: Janina Purschwitz, Stephan Hüffer, Alejandra Garcia Marcos, Menno Hazenkamp
  • Publication number: 20200221694
    Abstract: 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: Application
    Filed: January 16, 2020
    Publication date: July 16, 2020
    Inventors: Janina Purschwitz, Stephan Hüffer, Alejandra Garcia Marcos, Menno Hazenkamp
  • Publication number: 20190084898
    Abstract: 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 grou
    Type: Application
    Filed: November 21, 2018
    Publication date: March 21, 2019
    Inventors: 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
  • Patent number: 10150712
    Abstract: 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 R
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: December 11, 2018
    Assignee: BASF SE
    Inventors: 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
  • Publication number: 20170158575
    Abstract: 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
    Type: Application
    Filed: June 27, 2014
    Publication date: June 8, 2017
    Applicant: BASF SE
    Inventors: 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
  • Publication number: 20160312153
    Abstract: 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: Application
    Filed: December 10, 2014
    Publication date: October 27, 2016
    Applicant: BASF SE
    Inventors: Stephan HÜFFER, Alejandra GARCIA MARCOS, Jürgen DETERING
  • Patent number: 9228148
    Abstract: 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: Grant
    Filed: November 24, 2009
    Date of Patent: January 5, 2016
    Assignee: Voestalpine Stahl GmbH
    Inventors: Stephan Hüffer, Helmut Witteler, Achim Feβenbecker, Karl-Heinz Stellnberger, Martin Fleischanderl
  • Patent number: 8945610
    Abstract: 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: Grant
    Filed: November 11, 2008
    Date of Patent: February 3, 2015
    Assignee: BASF SE
    Inventors: Sebastien Garnier, Stephan Hüffer, Günter Scherr, Joachim Roser, Ulrich Mrowietz, Hans Wilhelm Doerr, Jindrich Cinatl, Martin Michaelis
  • Publication number: 20140369953
    Abstract: 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: Application
    Filed: February 19, 2013
    Publication date: December 18, 2014
    Applicant: BASF SE
    Inventors: Janina Purschwitz, Stephan Hüffer, Alejandra Garcia Marcos, Menno Hazenkamp
  • Patent number: 8697834
    Abstract: 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: Grant
    Filed: May 26, 2011
    Date of Patent: April 15, 2014
    Assignee: BASF SE
    Inventors: Thomas Schaub, Boris Buschhaus, Johann-Peter Melder, Rocco Paciello, Stephan Hüffer, Helmut Witteler
  • Publication number: 20130012383
    Abstract: 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: Application
    Filed: June 26, 2012
    Publication date: January 10, 2013
    Applicant: BASF SE
    Inventors: Stephan Hüffer, Frank-Peter Lang, Alejandra Garcia Marcos, Alexander Wissemeier, Wolfgang Staffel
  • Patent number: 8211550
    Abstract: 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: Grant
    Filed: August 8, 2007
    Date of Patent: July 3, 2012
    Assignee: BASF SE
    Inventors: Stephan Hüffer, Sebastien Garnier, Oliver Reese, Günter Scherr, Harald Kiesow
  • Publication number: 20110236716
    Abstract: 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: Application
    Filed: November 23, 2009
    Publication date: September 29, 2011
    Applicant: BASF SE
    Inventors: Stephan Hüffer, Helmut Witteler, Karl-Heinz Stellnberger, Martin Fleischanderl
  • Publication number: 20110151266
    Abstract: 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: Application
    Filed: December 2, 2010
    Publication date: June 23, 2011
    Applicant: BASF SE
    Inventors: Stephan Hüffer, Helmut Witteler, Fabio Nicolini, Albert Budiman Sugiharto
  • Publication number: 20100227186
    Abstract: 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: Application
    Filed: August 8, 2007
    Publication date: September 9, 2010
    Applicant: BASF SE
    Inventors: Stephan Hüffer, Sebastien Garnier, Oliver Reese, Günter Scherr, Harald Kiesow
  • Publication number: 20100192307
    Abstract: 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: Application
    Filed: August 5, 2008
    Publication date: August 5, 2010
    Applicant: BASF SE
    Inventors: Markus Brym, Stephan Hüffer, Audrey Renoncourt, Ulrike Mahn, Franz Glocknitzer
  • Publication number: 20100143632
    Abstract: 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: Application
    Filed: December 4, 2009
    Publication date: June 10, 2010
    Applicant: BASF SE
    Inventors: FARID DJENADI, Stephan Hüffer, Helmut Witteler
  • Publication number: 20090258074
    Abstract: 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: Application
    Filed: February 28, 2007
    Publication date: October 15, 2009
    Applicant: BASF SE
    Inventors: Stephan Hüffer, Oliver Reese, Günter Scherr, Sebastien Garnier, Ulrich Mrowietz
  • Publication number: 20070107135
    Abstract: 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: Application
    Filed: July 3, 2004
    Publication date: May 17, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Stephan Hüffer, Gerhard Wolf, Matthias Kluglein, Stefan Becker
  • Patent number: 7132488
    Abstract: 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: Grant
    Filed: December 11, 2001
    Date of Patent: November 7, 2006
    Assignee: BASF Aktiengesellschaft
    Inventors: Stephan Hüffer, Hans Peter Rath, Gabriele Lang