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).

  • Patent number: 11912950
    Abstract: The invention relates to the use of quaternized nitrogen compounds as a fuel and lubricant additive or kerosene additive, such as in particular as a detergent additive, for decreasing or preventing deposits in the injection systems of direct-injection diesel engines, in particular in common rail injection systems, for decreasing the fuel consumption of direct-injection diesel engines, in particular of diesel engines having common rail injection systems, and for minimizing the power loss in direct-injection diesel engines, in particular in diesel engines having common rail injection systems; the invention further relates to the use as an additive for petrol, in particular for operation of DISI engines.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: February 27, 2024
    Assignee: BASF SE
    Inventors: Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin
  • Publication number: 20210363451
    Abstract: The invention relates to the use of quaternized nitrogen compounds as a fuel and lubricant additive or kerosene additive, such as in particular as a detergent additive, for decreasing or preventing deposits in the injection systems of direct-injection diesel engines, in particular in common rail injection systems, for decreasing the fuel consumption of direct-injection diesel engines, in particular of diesel engines having common rail injection systems, and for minimizing the power loss in direct-injection diesel engines, in particular in diesel engines having common rail injection systems; the invention further relates to the use as an additive for petrol, in particular for operation of DISI engines.
    Type: Application
    Filed: August 4, 2021
    Publication date: November 25, 2021
    Applicant: BASF SE
    Inventors: Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin
  • Patent number: 11111449
    Abstract: The invention relates to the use of quaternized nitrogen compounds as a fuel and lubricant additive or kerosene additive, such as in particular as a detergent additive, for decreasing or preventing deposits in the injection systems of direct-injection diesel engines, in particular in common rail injection systems, for decreasing the fuel consumption of direct-injection diesel engines, in particular of diesel engines having common rail injection systems, and for minimizing the power loss in direct-injection diesel engines, in particular in diesel engines having common rail injection systems; the invention further relates to the use as an additive for petrol, in particular for operation of DISI engines.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: September 7, 2021
    Assignee: BASF SE
    Inventors: Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin
  • Patent number: 10858608
    Abstract: Use of a hydrocarbyl-substituted dicarboxylic acid for improving or boosting the separation of water from fuel oils and gasoline fuels which comprise additives with detergent action. A Fuel additive concentrate comprising the said hydrocarbyl-substituted dicarboxylic acid, certain additives with detergent action and optionally other customary additives and solvents or diluents.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: December 8, 2020
    Assignee: BASF SE
    Inventors: Harald Boehnke, Ludwig Voelkel, Marc Walter
  • Patent number: 10815444
    Abstract: The invention relates to the use of specific quaternised nitrogen compounds which are also subjected to specific transesterification or amidation, as a fuel and lubricant additive or kerosene additive, such as in particular as a detergent additive, for decreasing or preventing deposits in the injection systems of direct-injection diesel engines, in particular in common rail injection systems, for decreasing the fuel consumption of direct-injection diesel engines, in particular of diesel engines having common rail injection systems, and for minimizing the power loss in direct-injection diesel engines, in particular in diesel engines having common rail injection systems. The invention further relates to the use as an additive for petrol, in particular for operation of DISI engines.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: October 27, 2020
    Assignee: BASF SE
    Inventors: Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin
  • Publication number: 20200255755
    Abstract: The invention relates to the use of quaternized nitrogen compounds as a fuel and lubricant additive or kerosene additive, such as in particular as a detergent additive, for decreasing or preventing deposits in the injection systems of direct-injection diesel engines, in particular in common rail injection systems, for decreasing the fuel consumption of direct-injection diesel engines, in particular of diesel engines having common rail injection systems, and for minimizing the power loss in direct-injection diesel engines, in particular in diesel engines having common rail injection systems; the invention further relates to the use as an additive for petrol, in particular for operation of DISI engines.
    Type: Application
    Filed: April 28, 2020
    Publication date: August 13, 2020
    Applicant: BASF SE
    Inventors: Markus HANSCH, Harald BOEHNKE, Wolfgang GRABARSE, Ludwig VOELKEL, Maxim PERETOLCHIN
  • Patent number: 10689326
    Abstract: The present invention relates to novel quaternized ammonium salts of hydrocarbyl epoxides, to the preparation thereof and to the use thereof as a fuel additive and lubricant additive, such as, more particularly, as a detergent 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; and as an additive for gasoline fuels, especially for operation of DISI engines.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: June 23, 2020
    Assignee: BASF SE
    Inventors: Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Hannah Maria Koenig, Arno Lange, Ludwig Voelkel
  • Patent number: 10676685
    Abstract: The invention relates to the use of quaternized nitrogen compounds as a fuel and lubricant additive or kerosene additive, such as in particular as a detergent additive, for decreasing or preventing deposits in the injection systems of direct-injection diesel engines, in particular in common rail injection systems, for decreasing the fuel consumption of direct-injection diesel engines, in particular of diesel engines having common rail injection systems, and for minimizing the power loss in direct-injection diesel engines, in particular in diesel engines having common rail injection systems; the invention further relates to the use as an additive for petrol, in particular for operation of DISI engines.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: June 9, 2020
    Assignee: BASF SE
    Inventors: Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin
  • Patent number: 10550346
    Abstract: The present invention relates to novel quaternized nitrogen compounds, to the preparation thereof and to the use thereof as a fuel and lubricant additive, more particularly as a detergent additive; to additive packages which comprise these compounds; and to fuels and lubricants thus additized. The present invention further relates to the use of these 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: Grant
    Filed: October 4, 2018
    Date of Patent: February 4, 2020
    Assignee: BASF SE
    Inventors: Cornelia Roeger-Goepfert, Harald Boehnke, Wolfgang Grabarse, Hannah Maria Koenig, Markus Hansch, Ludwig Voelkel
  • Publication number: 20190367828
    Abstract: The invention relates to the use of quaternized nitrogen compounds as a fuel and lubricant additive or kerosene additive, such as in particular as a detergent additive, for decreasing or preventing deposits in the injection systems of direct-injection diesel engines, in particular in common rail injection systems, for decreasing the fuel consumption of direct-injection diesel engines, in particular of diesel engines having common rail injection systems, and for minimizing the power loss in direct-injection diesel engines, in particular in diesel engines having common rail injection systems; the invention further relates to the use as an additive for petrol, in particular for operation of DISI engines.
    Type: Application
    Filed: July 31, 2019
    Publication date: December 5, 2019
    Applicant: BASF SE
    Inventors: Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin
  • Patent number: 10465138
    Abstract: The use of a complex ester obtainable by esterification reaction between aliphatic linear or branched C2- to C12-dicarboxylic acids, aliphatic linear or branched polyhydroxy alcohols with 3 to 6 hydroxyl groups, and, as chain stopping agents, aliphatic linear or branched C1- to C30-monocarboxylic acids or aliphatic linear or branched monobasic C1- to C30-alcohols, as an additive in a fuel for minimization of power loss in the operation of an internal combustion engine with this fuel.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: November 5, 2019
    Assignee: BASF SE
    Inventors: Marc Walter, Dirk Rettemeyer, Markus Hansch, Ludwig Voelkel, Bjoern Thomas Hahn, Muriel Ecormier, Thomas Hayden
  • Publication number: 20190316053
    Abstract: The invention relates to the use of specific quaternised nitrogen compounds which are also subjected to specific transesterification or amidation, as a fuel and lubricant additive or kerosene additive, such as in particular as a detergent additive, for decreasing or preventing deposits in the injection systems of direct-injection diesel engines, in particular in common rail injection systems, for decreasing the fuel consumption of direct-injection diesel engines, in particular of diesel engines having common rail injection systems, and for minimizing the power loss in direct-injection diesel engines, in particular in diesel engines having common rail injection systems. The invention further relates to the use as an additive for petrol, in particular for operation of DISI engines.
    Type: Application
    Filed: June 26, 2019
    Publication date: October 17, 2019
    Applicant: BASF SE
    Inventors: Markus HANSCH, Harald BOEHNKE, Wolfgang GRABARSE, Ludwig VOELKEL, Maxim PERETOLCHIN
  • Patent number: 10407634
    Abstract: The invention relates to the use of quaternized nitrogen compounds as a fuel and lubricant additive or kerosene additive, such as in particular as a detergent additive, for decreasing or preventing deposits in the injection systems of direct-injection diesel engines, in particular in common rail injection systems, for decreasing the fuel consumption of direct-injection diesel engines, in particular of diesel engines having common rail injection systems, and for minimizing the power loss in direct-injection diesel engines, in particular in diesel engines having common rail injection systems; the invention further relates to the use as an additive for petrol, in particular for operation of DISI engines.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: September 10, 2019
    Assignee: BASF SE
    Inventors: Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin
  • Publication number: 20190264119
    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: May 13, 2019
    Publication date: August 29, 2019
    Applicant: BASF SE
    Inventors: Wolfgang GRABARSE, Harald BOEHNKE, Christian TOCK, Cornelia ROEGER-GOEPFERT, Ludwig VOELKEL
  • Patent number: 10370610
    Abstract: The invention relates to the use of specific quaternized nitrogen compounds which are also subjected to specific transesterification or amidation, as a fuel and lubricant additive or kerosene additive, such as in particular as a detergent additive, for decreasing or preventing deposits in the injection systems of direct-injection diesel engines, in particular in common rail injection systems, for decreasing the fuel consumption of direct-injection diesel engines, in particular of diesel engines having common rail injection systems, and for minimizing the power loss in direct-injection diesel engines, in particular in diesel engines having common rail injection systems. The invention further relates to the use as an additive for petrol, in particular for operation of DISI engines.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: August 6, 2019
    Assignee: BASF SE
    Inventors: Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Ludwig Voelkel, Maxim Peretolchin
  • Patent number: 10344241
    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: Grant
    Filed: March 14, 2018
    Date of Patent: July 9, 2019
    Assignee: BASF SE
    Inventors: Wolfgang Grabarse, Harald Boehnke, Christian Tock, Cornelia Roeger-Goepfert, Ludwig Voelkel
  • Patent number: 10336957
    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: Grant
    Filed: December 27, 2017
    Date of Patent: July 2, 2019
    Assignee: BASF SE
    Inventors: Wolfgang Grabarse, Harald Boehnke, Christian Tock, Cornelia Roeger-Goepfert, Ludwig Voelkel
  • Patent number: 10240100
    Abstract: The present invention relates to novel uses of corrosion inhibitors in fuels and lubricants.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: March 26, 2019
    Assignee: BASF SE
    Inventors: Jochen Mezger, Maxim Peretolchin, Aaron Flores-Figueroa, Markus Hansch, Ludwig Voelkel, Ivette Garcia Castro, Klaus Muehlbach, Harald Boehnke
  • Publication number: 20190084922
    Abstract: The present invention relates to novel quaternized ammonium salts of hydrocarbyl epoxides, to the preparation thereof and to the use thereof as a fuel additive and lubricant additive, such as, more particularly, as a detergent 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; and as an additive for gasoline fuels, especially for operation of DISI engines.
    Type: Application
    Filed: November 20, 2018
    Publication date: March 21, 2019
    Applicant: BASF SE
    Inventors: Markus Hansch, Harald Boehnke, Wolfgang Grabarse, Hannah Maria Koenig, Arno Lange, Ludwig Voelkel
  • Publication number: 20190040332
    Abstract: Use of a hydrocarbyl-substituted dicarboxylic acid for improving or boosting the separation of water from fuel oils and gasoline fuels which comprise additives with detergent action. A Fuel additive concentrate comprising the said hydrocarbyl-substituted dicarboxylic acid, certain additives with detergent action and optionally other customary additives and solvents or diluents.
    Type: Application
    Filed: October 9, 2018
    Publication date: February 7, 2019
    Applicant: BASF SE
    Inventors: Harald BOEHNKE, Ludwig VOELKEL, Marc WALTER