Patents by Inventor Martin Ruebenacker

Martin Ruebenacker 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: 11850579
    Abstract: This invention relates to catalysts for polyesterol synthesis and the use of a di-thio compound as catalyst for the production of polyester-polyols.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: December 26, 2023
    Assignee: BASF SE
    Inventors: Martin Ruebenacker, Sirus Zarbakhsh
  • Patent number: 11578167
    Abstract: The present invention relates to sulfur-containing polyester polyols and to the preparation and use thereof.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: February 14, 2023
    Assignee: BASF SE
    Inventors: Martin Ruebenacker, Kathrin Cohen, Sirus Zarbakhsh, Sindhu Menon, Sabrina Kronig
  • Patent number: 10815327
    Abstract: A copolymer which comprises, in copolymerized form, (A) 60 to 99% by weight of at least one monoethylenically unsaturated polyalkylene oxide monomer of the formula I (I) in which the variables have the following meanings: X is —CH2— or —CO—, if Y is —O—; is —CO—, if Y is —NH—; Y is —O— or —NH—; R1 is hydrogen or methyl; R2 are identical or different C2-C6-alkylene radicals, which may be arranged blockwise or randomly; R3 is hydrogen or C1-C4-alkyl; n is an integer from 25 to 75, (B) 1 to 40% by weight of at least one quaternized nitrogen-containing monoethylenically unsaturated monomer selected from the group consisting of monomers of formula Ha to IId (Ha-IId) in which the variables have the following meanings: R is C1-C4-alkyl or benzyl; R? is hydrogen or methyl; Y is —O— or —NH—; A is C1-C6-alkylene; X— is halide, C1-C4-alkyl sulfate, C1-C4-alkylsulfonate and Ci-C4-alkyl carbonate, (C) 0 to 10% by weight of anionic monoethylenically unsaturated monomers, and (D) 0 to 30% by weight of other nonionic monoeth
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: October 27, 2020
    Assignee: BASF SE
    Inventors: Aaron Flores-Figueroa, Martin Ruebenacker, Rainer Dobrawa, Markus Brym, Dieter Boeckh, Frank Huelskoetter, Glenn Ward, James Goodwin, Melissa Cuthbertson, Stefano Scialla
  • Patent number: 10287533
    Abstract: An automatic dishwashing cleaning composition including a dispersant polymer and a surface-modification surface-substantive polymer wherein the composition leaves glass after being washed with the composition in an automatic dishwasher with a contact angle with deionised water of less than about 50° and wherein the surface-modification surface-substantive polymer has a rivulet forming effect on water drainage from glass.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: May 14, 2019
    Assignee: The Procter & Gamble Company
    Inventors: Nathalie Sophie Letzelter, Glenn Steven Ward, Stefano Scialla, James Elliot Goodwin, Frank Hulskotter, Martin Ruebenacker, Aaron Flores-Figueroa
  • Patent number: 10273436
    Abstract: The need for a liquid hard surface cleaning composition which provides reduced drying time is met by formulating the composition using copolymer comprising non-ionic monomeric units, a low level of cationic monomeric units, and other optional monomers.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: April 30, 2019
    Assignee: The Procter & Gamble Company
    Inventors: Anna Asmanidou, Aaron Flores-Figueroa, Frank Hulskotter, Martin Ruebenacker, Stefano Scialla
  • Patent number: 10227553
    Abstract: A dishwashing composition including a copolymer which includes polyalkylene oxide groups and quaternary nitrogen atoms.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: March 12, 2019
    Assignee: The Procter & Gamble Company
    Inventors: Glenn Steven Ward, Stefano Scialla, Frank Hulskotter, Martin Ruebenacker, Aaron Flores-Figueroa
  • Patent number: 8926797
    Abstract: 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: Grant
    Filed: June 7, 2010
    Date of Patent: January 6, 2015
    Assignee: BASF SE
    Inventors: Christian Jehn-Rendu, Ellen Krueger, Hans-Joachim Haehnle, Martin Ruebenacker, Norbert Schall, Thomas Muehlenbernd
  • Patent number: 8404083
    Abstract: 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: Grant
    Filed: August 10, 2009
    Date of Patent: March 26, 2013
    Assignee: BASF SE
    Inventors: Hans-Joachim Haehnle, Christian Jehn-Rendu, Rainer Blum, Ellen Krueger, Norbert Schall, Martin Ruebenacker
  • Patent number: 8349134
    Abstract: 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: Grant
    Filed: November 21, 2005
    Date of Patent: January 8, 2013
    Assignee: BASF SE
    Inventors: Anton Esser, Hans-Joachim Haehnle, Martin Ruebenacker, Norbert Schall, Jacques Dupuis, Josef Neutzner, Manfred Niessner, Berthold Sturm
  • Patent number: 8173757
    Abstract: A process for producing a polymer powder comprising vinylformamide units by free radical polymerization of an aqueous solution of N-vinylformamide and if appropriate other monomers and drying the polymer which comprises an aqueous monomer solution comprising N-vinylformamide and at least one polymerization initiator being spray dispensed as an aerosol or dropletized at the top of a heatable tower-shaped reactor, then polymerizing the aerosol or droplets in an inert gas atmosphere to form a finely divided solid and discharging the finely divided polymer from the reactor.
    Type: Grant
    Filed: October 27, 2006
    Date of Patent: May 8, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Dennis Loesch, Volker Seidl, Martin Ruebenacker
  • Publication number: 20120083581
    Abstract: A process for producing a polymer powder comprising vinylformamide units by free radical polymerization of an aqueous solution of N-vinylformamide and if appropriate other monomers and drying the polymer which comprises an aqueous monomer solution comprising N-vinylformamide and at least one polymerization initiator being spray dispensed as an aerosol or dropletized at the top of a heatable tower-shaped reactor, then polymerizing the aerosol or droplets in an inert gas atmosphere to form a finely divided solid and discharging the finely divided polymer from the reactor.
    Type: Application
    Filed: December 14, 2011
    Publication date: April 5, 2012
    Applicant: BASF SE
    Inventors: Dennis Loesch, Volker Seidl, Martin Ruebenacker
  • Publication number: 20120073773
    Abstract: 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: Application
    Filed: June 7, 2010
    Publication date: March 29, 2012
    Applicant: BASF SE
    Inventors: Christian Jehn-Rendu, Ellen Krueger, Hans-Joachim Haehnle, Martin Ruebenacker, Norbert Schall, Thomas Muehlenbernd
  • Publication number: 20110132559
    Abstract: 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: Application
    Filed: August 10, 2009
    Publication date: June 9, 2011
    Applicant: BASF SE
    Inventors: Hans-Joachim Haehnle, Christian Jehn-Rendu, Rainer Blum, Ellen Krueger, Norbert Schall, Martin Ruebenacker
  • Patent number: 7922867
    Abstract: 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: Grant
    Filed: March 9, 2007
    Date of Patent: April 12, 2011
    Assignee: BASF SE
    Inventors: Norbert Schall, Ellen Krueger, Martin Ruebenacker
  • Publication number: 20100108279
    Abstract: 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: Application
    Filed: March 9, 2007
    Publication date: May 6, 2010
    Applicant: BASF SE
    Inventors: Norbert Schall, Ellen Krueger, Martin Ruebenacker
  • Publication number: 20100021992
    Abstract: Method for reducing the formamide content of preparations (P) prepared from N-vinylformamide monomers by polymerization.
    Type: Application
    Filed: June 20, 2006
    Publication date: January 28, 2010
    Applicant: BASF AKTIENGESELLSCHAFT
    Inventors: Dietmar Haering, Maximilian Angel, Hans-Joachim Haehnle, Thomas Friedrich, Bernhard Hauer, Volker Braig, Lysander Chrisstoffels, Martin Ruebenacker
  • Patent number: 7297733
    Abstract: Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides contain, based on 100 parts of water, (A) from 5 to 80 parts by weight of water-soluble polymer containing N-vinylformamide units and/or N-vinylacetamide units and having particle sizes of from 50 nm to 2 ?m and (B) from 1 to 50 parts by weight of at least one polymeric dispersant which is incompatible with the water-soluble polymers (A) in aqueous solution, which dispersions are prepared by polymerizing (A) from 5 to 80 parts by weight of N-vinylformamide and/or N-vinylacetamide, if desired together with other monoethylenically unsaturated monomers which form water-soluble polymers therewith, and (B) from 1 to 50 parts by weight of at least one polymeric dispersant which is incompatible with the polymers, formed from the monomers (A), in aqueous solution, in 100 parts by weight of water, at from 30 to 95° C. in the presence of from 0.001 to 5.
    Type: Grant
    Filed: January 10, 2006
    Date of Patent: November 20, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Anton Negele, Werner Gauweiler, Hubert Meixner, Norbert Mahr, Martin Ruebenacker
  • Patent number: 5260315
    Abstract: Methods for combating fungi using dioncophylline A or dioncophylline B.
    Type: Grant
    Filed: May 26, 1992
    Date of Patent: November 9, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Bringmann, Martin Ruebenacker, Eberhard Ammermann, Gisela Lorenz, Laurent A. Assi