Patents by Inventor Ludwig Voelkel

Ludwig Voelkel 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: 20120149617
    Abstract: Polytetrahydrobenzoxazines and bistetrahydrobenzoxazines, obtainable by (A) reacting at least one diamine of the formula H2N-A-NH2 with a C1- to C12-aldehyde and a C1- to C8-alkanol at 20 to 80° C. with elimination and removal of water, (B) reacting the condensation product from (A) with a phenol which bears a long-chain substituent at 30 to 120° C., and optionally (C) heating the reaction product from (B) to 125 to 280° C. The resulting polytetrahydrobenzoxazines and bistetrahydrobenzoxazines are suitable as fuel or lubricant additives, especially as detergent additives for diesel fuels.
    Type: Application
    Filed: December 7, 2011
    Publication date: June 14, 2012
    Applicant: BASF SE
    Inventors: Arno LANGE, Harald Böhnke, Wolfgang Grabarse, Hannah Maria König, Markus Hansch, Ludwig Völkel, Ivette Garcia Castro
  • Publication number: 20120137573
    Abstract: The use of the reaction product formed from a hydrocarbyl-substituted dicarboxylic acid or anhydride thereof and a nitrogen compound I or a salt thereof as an additive in a fuel for reducing fuel consumption in gasoline engines.
    Type: Application
    Filed: November 30, 2011
    Publication date: June 7, 2012
    Applicant: BASF SE
    Inventors: Ludwig VÖLKEL, Marc Walter, Harald Böhnke, Hannah Maria König, Markus Hansch
  • Patent number: 8147563
    Abstract: This invention relates to cleaning compositions comprising organic catalysts having enhanced enzyme compatibility and processes for making and using such cleaning compositions.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: April 3, 2012
    Assignee: The Procter & Gamble Company
    Inventors: Gregory Scot Miracle, George Douglas Hiler, II, Rebecca Massie Grey, Mark Robert Sivik, Ludwig Voelkel, Frank Dietsche, Christian Bittner
  • Patent number: 8129531
    Abstract: This invention relates to a process of producing compounds, which are useful as bleach boosters, as well as to the compounds, which are obtainable using said process, and to their use.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: March 6, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Ludwig Voelkel, Christian Bittner, Ingo Muenster, Frank Dietsche, Wolfgang Schrof
  • Publication number: 20120010112
    Abstract: The present invention relates to novel acid-free quaternized nitrogen compounds, to the preparation thereof and to the use thereof as a fuel and lubricant additive, more particularly as a detergent additive, as a wax antisettling additive (WASA) or as an additive for reducing internal diesel injector deposits (IDID); to additive packages which comprise these compounds; and to fuels and lubricants thus additized. The present invention further relates to the use of these acid-free quaternized nitrogen compounds as a fuel additive for reducing or preventing deposits in the injection systems of direct-injection diesel engines, especially in common-rail injection systems, for reducing the fuel consumption of direct-injection diesel engines, especially of diesel engines with common-rail injection systems, and for minimizing power loss in direct-injection diesel engines, especially in diesel engines with common-rail injection systems.
    Type: Application
    Filed: July 6, 2011
    Publication date: January 12, 2012
    Applicant: BASF SE
    Inventors: Wolfgang Grabarse, Harald Böhnke, Christian Tock, Cornelia Röger-Göpfert, Ludwig Völkel
  • Publication number: 20110315107
    Abstract: A quaternized copolymer obtainable by: (A) copolymerization of straight-chain, branched or cyclic, ethylenically unsaturated C2 to C100 hydrocarbons, which may bear oxygen- or nitrogen-functional substituents which cannot be reacted with amines to give amides or imides or with alcohols to give esters, with ethylenically unsaturated C3- to C12-mono- or dicarboxylic acids or acid derivatives, which can be reacted with amines to give amides or imides or with alcohols to give esters, to give a copolymer with a number-average molecular weight of 500 to 20 000; (B) partial or full amidation or imidation or esterification of the carboxylic acid functions by reacting them with oligoamines having 2 to 6 nitrogen atoms or alcoholamines, each of which comprises primary or secondary nitrogen atom or a hydroxyl group and a quaternizable tertiary nitrogen atom; (C) partial or full quaternization of the tertiary nitrogen atom with a quaternizing agent.
    Type: Application
    Filed: June 24, 2011
    Publication date: December 29, 2011
    Applicant: BASF SE
    Inventors: Wolfgang Grabarse, Hannah Maria König, Christian Tock, Cornelia Röger-Göpfert, Ludwig Völkel, Harald Böhnke
  • Publication number: 20110319622
    Abstract: This invention relates to a process of producing compounds, which are useful as bleach boosters, as well as to the compounds, which are obtainable using said process, and to their use.
    Type: Application
    Filed: September 2, 2011
    Publication date: December 29, 2011
    Applicant: BASF SE
    Inventors: Ludwig Völkel, Christian Bittner, Ingo Münster, Frank Dietsche, Wolfgang Schrof
  • Publication number: 20110283463
    Abstract: This invention relates to cleaning compositions comprising organic catalysts having enhanced enzyme compatibility and processes for making and using such cleaning compositions.
    Type: Application
    Filed: August 1, 2011
    Publication date: November 24, 2011
    Applicant: The Procter & Gamble Company
    Inventors: Gregory Scot MIRACLE, George Douglas Hiler, II, Rebecca Massie Grey, Mark Robert Sivik, Ludwig Voelkel, Frank Dietsche, Christian Bittner
  • Publication number: 20110258917
    Abstract: Quaternized terpolymer formed from (A) ethylene, (B) C2-C14-alkenyl esters of one or more aliphatic C1-C20-monocarboxylic acids or C1-C24-alkyl esters of acrylic acid or of methacrylic acid and (Cq) ethylenically unsaturated monomers which comprise at least one tertiary nitrogen atom which is partly or fully in quaternized form. The quaternized terpolymer is suitable as a fuel additive for reducing or preventing deposits, for reducing fuel consumption and for minimizing power loss in direct-injection diesel engines, especially in diesel engines with common-rail injection systems.
    Type: Application
    Filed: April 25, 2011
    Publication date: October 27, 2011
    Applicant: BASF SE
    Inventors: Ivette Garcia Castro, Cornelia Roeger-Goepfert, Wolfgang Grabarse, Klaus Mühlbach, Ludwig Völkel, Harald Böhnke, Christian Tock
  • Patent number: 8021437
    Abstract: This invention relates to cleaning compositions comprising organic catalysts having enhanced enzyme compatibility and processes for making and using such cleaning compositions.
    Type: Grant
    Filed: May 20, 2009
    Date of Patent: September 20, 2011
    Assignee: The Procter & Gamble Company
    Inventors: Gregory Scot Miracle, George Douglas Hiler, II, Rebecca Massie Grey, Mark Robert Sivik, Ludwig Voelkel, Frank Dietsche, Christian Bittner
  • Patent number: 7850744
    Abstract: The present invention relates to the use of at least one heterocyclic compound of the formula (I) in which R is H or C1-C3-alkyl as a frictional wear-reducing additive in fuel compositions; to corresponding additized fuel compositions and their preparation; and to additive concentrates which comprise such compounds.
    Type: Grant
    Filed: August 4, 2005
    Date of Patent: December 14, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Ludwig Voelkel, Arno Lange, Christian Lockemann, Dietmar Posselt
  • Patent number: 7842302
    Abstract: The invention relates to a mixture comprising a surfactant and a cosurfactant, the cosurfactant being an amphiphilic polymer having one or more hydrophobic subunits (A) and one or more hydrophilic subunits (B), wherein one or more hydrophobic subunits (A) have been formed on the basis of a polyisobutene block whose polyisobutene macromolecules have terminal double bonds to an extent of at least 50 mol %.
    Type: Grant
    Filed: February 11, 2005
    Date of Patent: November 30, 2010
    Assignee: BASF SE
    Inventors: Cordula Mock-Knoblauch, Norbert Wagner, Guenter Oetter, Ludwig Voelkel, Susanne Petrovic, Arno Lange, Darijo Mijolovic, Stephan Hueffer
  • Publication number: 20100236140
    Abstract: The present invention relates to novel fuel additives obtainable by reacting carboxylic acids and alkanol amines under specific conditions. Said additives show an improved performance in fuels, like gasoline. The invention also relates to methods of preparing the same; additive packages containing said additives; and methods of improving the storage stability of additive packages comprising a detergent additive in an organic solvent.
    Type: Application
    Filed: October 17, 2008
    Publication date: September 23, 2010
    Applicant: BASF SE
    Inventors: Ludwig Voelkel, Dietmar Posselt, Alfred Karl Jung, Markus Kummeter, Gero Nordmann, Andrea Misske
  • Publication number: 20100236136
    Abstract: The present invention relates to the use of at least one heterocyclic compound of the formula (I) in which R is H or C1-C3-alkyl as a frictional wear-reducing additive in fuel compositions; to corresponding additized fuel compositions and their preparation; and to additive concentrates which comprise such compounds.
    Type: Application
    Filed: June 3, 2010
    Publication date: September 23, 2010
    Applicant: BASF Aktiengesellschaft
    Inventors: Ludwig Völkel, Arno Lange, Christian Lockemann, Dietmar Posselt
  • Patent number: 7727948
    Abstract: A mixture of surfactant and co-surfactant which is an amphiphilic polymer with the formula:
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: June 1, 2010
    Assignee: BASF SE
    Inventors: Cordula Mock-Knoblauch, Norbert Wagner, Guenter Oetter, Ludwig Voelkel, Bernhard Steinmetz, Rainer Dyllick-Brenzinger, Joerg Schroeder, Susanne Petrovic
  • Patent number: 7696146
    Abstract: A mixture comprising a surfactant and a cosurfactant is proposed wherein the cosurfactant used is an amphiphilic comb polymer having a backbone with two or more side chains attached to the backbone, where the side chains differ from one another and/or the side chains differ from the backbone in their amphiphilic character.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: April 13, 2010
    Assignee: BASF SE
    Inventors: Cordula Mock-Knoblauch, Norbert Wagner, Guenter Oetter, Ludwig Voelkel, Susanne Petrovic, Andreas Fechtenkoetter, Lysander Chrisstoffels, Matthias Klueglein, Stefan Becker
  • Publication number: 20100006049
    Abstract: A composition and method of improving the fuel economy of hydrocarbon fuel-powdered internal combustion engines. The composition contains a propoxylated and/or butoxylated reaction product of (a) at least one fatty acid, fatty acid ester, or mixture thereof and (b) a dialkanolamime. The composition is added to a hydrocarbon fuel in an amount of about 5 to about 2,000 ppm, based on the weight of the hydrocarbon fuel, to reduce friction within the engine and achieve an enhanced fuel economy.
    Type: Application
    Filed: July 9, 2009
    Publication date: January 14, 2010
    Applicant: BASF CORPORATION
    Inventors: Alfred K. Jung, Ludwig Voelkel, Stefano Crema, Andrea Misske
  • Publication number: 20090222999
    Abstract: This invention relates to cleaning compositions comprising organic catalysts having enhanced enzyme compatibility and processes for making and using such cleaning compositions.
    Type: Application
    Filed: May 20, 2009
    Publication date: September 10, 2009
    Inventors: Gregory Scot Miracle, George Douglas Hiler, II, Rebecca Massie Grey, Mark Robert Sivik, Ludwig Voelkel, Frank Dietsche, Christian Bittner
  • Patent number: 7579421
    Abstract: Water-soluble or water-dispersible polymers comprising alkoxylated diallylamine derivatives, ethylenically unsaturated mono- or dicarboxylic acids, the anhydrides thereof or mixtures thereof and, if required, one or more further ethylenically unsaturated monomers C are prepared and are used as additives in mineral building materials, in detergents or in cosmetic formulations.
    Type: Grant
    Filed: June 19, 2004
    Date of Patent: August 25, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Stefan Becker, Lysander Chrisstoffels, Ludwig Voelkel, Thomas Goetz, Bernd Meyer-Roscher, Wolfgang Hansch, Stefanie Spilger
  • Patent number: 7557076
    Abstract: This invention relates to cleaning compositions comprising organic catalysts having enhanced enzyme compatibility and processes for making and using such cleaning compositions.
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: July 7, 2009
    Assignee: The Procter & Gamble Company
    Inventors: Gregory Scot Miracle, George Douglas Hiler, II, Rebecca Massie Grey, Mark Robert Sivik, Ludwig Voelkel, Frank Dietsche, Christian Bittner