Patents by Inventor Stephan Hueffer

Stephan Hueffer 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).

  • Publication number: 20210269630
    Abstract: Described herein are aqueous mixtures including water, 1-vinylimidazole-containing polymer(s) (P) and quaternary ammonium salts (QA). Also described herein are methods of production and use of same.
    Type: Application
    Filed: July 3, 2019
    Publication date: September 2, 2021
    Inventors: Stephan Hueffer, Roland Ettl, Ruediger Lukas, Andrea Schiller, Frank Dietsche, Juergen Detering
  • Publication number: 20210207062
    Abstract: Described herein are methods of using amino-based alkoxylates for improving the cleaning power of laundry detergent compositions.
    Type: Application
    Filed: August 8, 2019
    Publication date: July 8, 2021
    Inventors: Alejandra Garcia Marcos, Stephan Hueffer, Thomas Wesley Holcombe, Roland Ettl, Alexander Panchenko, Susanne Carina Engert, Stefanie Juntermanns, Frank Janssen, Michael Dreja, Nadine Bluhm, Christa Junkes
  • Publication number: 20210071118
    Abstract: Composition containing (A) at least one salt of an organic ester of choline or of a derivative of choline, and (B) at least one surfactant selected from amphoteric and anionic and non-ionic surfactants.
    Type: Application
    Filed: November 19, 2018
    Publication date: March 11, 2021
    Applicant: BASF SE
    Inventors: Stephan HUEFFER, Alejandra GARCIA MARCOS, Susanne WOLWERTZ, Monika NEUFELD, Matthias KELLERMEIER, Grit BAIER
  • Patent number: 10907259
    Abstract: Process for cleaning soiled metal surfaces characterized in such cleaning is carried out using a composition that comprises at least one alkoxylated polyethylenimine (B) with a polydispersity Q=Mw/Mn of at least 3.5 and an average molecular weight Mw in the range of from 2,500 to 1,500,000 g/mol.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: February 2, 2021
    Assignee: BASF SE
    Inventors: Stephan Hueffer, Alejandra Garcia Marcos, Eva-Maria Reis-Walther
  • Patent number: 10836208
    Abstract: A rubber composition containing (A) at least one rubber selected from sulphur vulcanizable rubbery elastomers, (B) silica, (C) at least one non-ionic surfactant (C) that is selected from compounds according to general formula (I a) R1—CH(OH)—CH2—O-(AO)x—R2,??(I a) and from compounds according to general formula (I b) R1—CH(OH)—CH2—O-(AO)x-A1-O-(AO)y—CH2—CH(OH)—R1,??(I b) and from compounds according to general formula (I c) R1—CO—NH—CH2—CH2—O-(AO)x—CH2—CH2—NH—CO—R1,??(I c) wherein R1 are same or different and selected from C4-C30-alkyl, straight-chain or branched, and from C4-C30-alkylene, straight-chain or branched, with at least one C—C double bond, R2 are same or different and selected from C1-C30-alkyl, straight-chain or branched, and from C2-C30-alkylene, straight-chain or branched, with at least one C—C double bond, R2 is selected from C2-C10-alkylene, straight chain or branched, x, y same or different and selected from 10 to 50, and AO is selected from identical or different alkylene oxides, s
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: November 17, 2020
    Assignee: BASF SE
    Inventors: Stephan Hueffer, Fritz Nimtz, Achim Fessenbecker, Alejandra Garcia Marcos
  • Patent number: 10800887
    Abstract: Polymers bearing the following structural elements per molecule: (A) an average of at least two alkoxylated (poly)alkylenimine units, said alkylene being selected from C2-C10-alkylene and said alkoxylation being selected from ethoxylation, propoxylation, butoxylation and combinations of at least two of the foregoing, (B) at least one polysiloxane unit, and (C) at least one linkage connecting at least two different alkoxylated (poly)alkylenimine units (A) bearing at least one polysiloxane unit (B), each link-age (C) being selected from organic spacers bearing in the range of from 4 to 30 carbon atoms.
    Type: Grant
    Filed: May 4, 2017
    Date of Patent: October 13, 2020
    Assignee: BASF SE
    Inventors: Stephan Hueffer, Alejandra Garcia Marcos
  • Publication number: 20200291334
    Abstract: Described herein is a liquid enzyme preparation containing component (a): at least one salt according to general formula (I) (R2)3N+—(CH2)nC(R3)(R4)—(O—X)m—O—C(O)—R1 A???(I) wherein n is selected from 1 to 12, m is selected from zero to 50, R1 is selected from the group consisting of methyl, ethyl, —CH(OH)—CH(OH)—COOH, CH(OH)—CH3, (E)-CH?CHCOOH, (Z)—CH?CHCOOH, —C6H5, para-HO—C6H4—, o,p-dihydroxyphenyl, and 3,4,5-triydroxyphenyl, R2 are same or different and selected from C1-C10-alkyl, phenyl, R3 and R4 are same or different and selected from hydrogen and C1-C4-alkyl, X is C2-C4-alkylen, and A? is an inorganic or organic counteranion, component (b): at least one enzyme selected from hydrolases (EC 3), and optionally component (c): at least one compound selected from enzyme stabilizers different from component (a), preservatives, and surfactants.
    Type: Application
    Filed: November 19, 2018
    Publication date: September 17, 2020
    Inventors: Stephan Hueffer, Alejandra Garcia Marcos, Oliver Spangenberg, Matthias Kellermeier, Susanne Wolwertz
  • 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
  • Patent number: 10662397
    Abstract: The present invention is directed towards aqueous formulations comprising (A) at least one alkoxylated polypropylenimine, (B) at least one non-ionic surfactant, selected from (B1) alkyl polyglycosides and (B2) alkoxylated C8-C14-Guerbet alcohols.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: May 26, 2020
    Assignee: BASF SE
    Inventors: Sophia Ebert, Bjoern Ludolph, Christoph Mueller, Stephan Hueffer, Alejandra Garcia Marcos
  • Publication number: 20190390012
    Abstract: Described herein is a process for manufacturing an alkoxylated polyalkylenimine, the process including the following steps: (a) providing a polyalkylenimine (A), (b) reacting the polyalkylenimine (A) with 0.5 to 1.3 moles of propylene oxide or butylene oxide per N—H function at a temperature in the range of 100 to 150° C., (c) reacting the product from step (b) with C2-C4-alkylene oxide wherein the C2-C4-alkylene oxide is different from the alkylene oxide used in step (b).
    Type: Application
    Filed: February 2, 2018
    Publication date: December 26, 2019
    Inventors: Stephan Hueffer, Thomas Wesley Holcombe, Sebastian Mirtschin, Frank Dietsche, Jan Uwe Mueller, Alejandra Garcia Marcos
  • Publication number: 20190316062
    Abstract: Provided herein is a phosphate-free detergent composition including at least one additive with a melting point in the range of from 40 to 60° C. and at least one amide group in the range of from 5 to 150 alkylene oxide groups per molecule.
    Type: Application
    Filed: October 16, 2017
    Publication date: October 17, 2019
    Inventors: Alejandra Garcia Marcos, Hans-Christian Raths, Heike Weber, Stephan Hueffer, Rainer Eskuchen, Gerhard Hermanns, Christian Eidamshaus
  • Patent number: 10421269
    Abstract: The present invention relates to the use of a polymer comprising polymerized units (A) and (B): (A) at least one first monomer of the formula (I) where n is 3 to 12; m is 0 to 3; R1 is C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; R2, R3 and R4 are each, independently of one another, hydrogen, C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; and (B) at least one second monomer of the formula (II) where R5, R6 and R7 are each, independently of one another, hydrogen, C1-C10-alkyl, C2-C10-alkenyl, aryl or aralkyl; R8 is C1-C20-alkyl, C2-C10alkenyl, aryl or aralkyl; as a support material in a fused filament fabrication process.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: September 24, 2019
    Assignee: BASF SE
    Inventors: Marie-Claire Hermant, Nikolaus Nestle, Stephan Hueffer
  • Patent number: 10301576
    Abstract: Formulation comprising (A) at least one aminocarboxylate selected from methylglycin diacetate (MGDA), iminodisuccinic acid (IDA) and glutamic acid diacetate (GLDA), and salts thereof, (B) at least one polypropyleneimine which may be alkoxylated.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: May 28, 2019
    Assignee: BASF SE
    Inventors: Stephan Hueffer, Sophia Ebert, Bjoern Ludolph, Christoph Mueller, Alejandra Garcia Marcos
  • Publication number: 20190153167
    Abstract: Polymers bearing the following structural elements per molecule: (A) an average of at least two alkoxylated (poly)alkylenimine units, said alkylene being selected from C2-C10-alkylene and said alkoxylation being selected from ethoxylation, propoxylation, butoxylation and combinations of at least two of the foregoing, (B) at least one polysiloxane unit, and (C) at least one linkage connecting at least two different alkoxylated (poly)alkylenimine units (A) bearing at least one polysiloxane unit (B), each link-age (C) being selected from organic spacers bearing in the range of from 4 to 30 carbon atoms.
    Type: Application
    Filed: May 4, 2017
    Publication date: May 23, 2019
    Inventors: Stephan Hueffer, Alejandra Garcia Marcos
  • Publication number: 20190143751
    Abstract: A rubber composition containing (A) at least one rubber selected from sulphur vulcanizable rubbery elastomers, (B) silica, (C) at least one non-ionic surfactant (C) that is selected from compounds according to general formula (I a) R1—CH(OH)—CH2—O-(AO)x-R2, (I a) and from compounds according to general formula (I b) R1—CH(OH)—CH2—O-(AO)x-A1-O-(AO)y-CH2—CH(OH)—R1, ??(I b) and from compounds according to general formula (I c) R1—CO—NH—CH2—CH2—O-(AO)x-CH2—CH2—NH—CO—R1, ??(I c) wherein R1 are same or different and selected from C4-C30-alkyl, straight-chain or branched, and from C4-C30-alkylene, straight-chain or branched, with at least one C—C double bond, R2 are same or different and selected from C1-C30-alkyl, straight-chain or branched, and from C2-C30-alkylene, straight-chain or branched, with at least one C—C double bond, R2 is selected from C2-C10-alkylene, straight chain or branched, x, y same or different and selected from 10 to 50, and AO is selected from identical or different alkylene oxides,
    Type: Application
    Filed: June 19, 2017
    Publication date: May 16, 2019
    Inventors: Stephan Hueffer, Fritz Nimtz, Achim Fessenbecker, Alejandra Garcia Marcos
  • Patent number: 10278385
    Abstract: The use of formulations comprising (A) one or more aminocarboxylates, selected from among methylglycine diacetate (MGDA) and its alkali metal salts, glutamic acid diacetate (GLDA) and its alkali metal salts, iminodisuccinate, hydroxyethylimine diacetate and ethyleneiminodisuccinate and the corresponding alkali metal salts, (B) at least one organic compound selected from among organic phosphates, organic phosphonates and organic phosphites and salts of the abovementioned organic compounds, and (C) optionally water, for application to plants or the ground.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: May 7, 2019
    Assignee: BASF SE
    Inventors: Stephan Hueffer, Alejandra Garcia Marcos, Paul Klingelhoefer, Gerhard Schnabel
  • 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: 20180201876
    Abstract: A process for cleaning dishware soiled with fatty residue is disclosed. The process is carried out at a temperature in the range of from 45 to 65° C. and using at least one formulation, comprising (A) at least one complexing agent, selected from the alkali metal salts of citric acid, aminocarboxylic acids and from sodium tripolyphosphate, (B) at least one non-ionic surfactant of general formula R1—CH(OH)—CH2—O-(AO)x—R2, and (C) at least one copolymer.
    Type: Application
    Filed: July 6, 2016
    Publication date: July 19, 2018
    Inventors: Alejandra Garcia Marcos, Heike Weber, Stephan Hueffer, Eva-Maria Reis-Walther, Frank Dietsche
  • Patent number: 9994797
    Abstract: Formulations, comprising (A) in total in the range of 1 to 50% by weight of at least one compound, selected from methylglycinediacetic acid (MGDA), glutamic acid diacetate (GLDA) and salts thereof, (B) in total in the range of 0.01 to 0.4% by weight of at least one zinc salt, stated as zinc, (C) in total in the range of 0.001 to 0.045% by weight of homo- or copolymer of ethyleneimine, and (D) optionally 0.5 to 15% by weight of bleach, based in each case on the solids content of the respective formulation.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: June 12, 2018
    Assignee: BASF SE
    Inventors: Stephan Hueffer, Alejandra Garcia Marcos, Markus Hartmann, Heike Weber