Patents by Inventor Florian Stecker

Florian Stecker 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: 9435073
    Abstract: The present invention relates to a washing machine comprising an electrochemical cell, to a process for electrochemical cleaning of fibers, to laundry detergents for electrochemical cleaning of fibers and to the fibers thus cleaned.
    Type: Grant
    Filed: August 6, 2014
    Date of Patent: September 6, 2016
    Assignee: BASF SE
    Inventors: Ulrich Griesbach, Steffen Maas, Florian Stecker, Andreas Fischer
  • Patent number: 9006494
    Abstract: The present invention relates to a process for producing vanillin from an aqueous, basic vanillin-comprising composition, in particular from a composition as arises in the oxidation, especially in the oxidation by electrolysis, of aqueous alkaline lignin-comprising compositions, comprising at least one treatment of an aqueous, basic vanillin-comprising composition, in particular the treatment of a composition as arises in the oxidation, especially in the oxidation by electrolysis, of aqueous alkaline lignin-comprising compositions, with a basic adsorbent, in particular an anion exchanger.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: April 14, 2015
    Assignee: BASF SE
    Inventors: Florian Stecker, Andreas Fischer, Axel Kirste, Agnes Voitl, Chung Huan Wong, Siegfried Waldvogel, Carolin Regenbrecht, Dominik Schmitt, Marius Franziskus Hartmer
  • Publication number: 20140346057
    Abstract: The present invention relates to a washing machine comprising an electrochemical cell, to a process for electrochemical cleaning of fibers, to laundry detergents for electrochemical cleaning of fibers and to the fibers thus cleaned.
    Type: Application
    Filed: August 6, 2014
    Publication date: November 27, 2014
    Applicant: BASF SE
    Inventors: Ulrich GRIESBACH, Steffen MAAS, Florian STECKER, Andreas FISCHER
  • Patent number: 8889920
    Abstract: The present invention relates to a process for preparing 4-isopropylcyclohexylmethanol (IPCHM) from para-cymene. The process for preparing 4-isopropylcyclohexylmethanol (IPCHM) comprises an electrochemical process for preparing a mixture of 4-isopropylbenzaldehyde dimethyl acetal and 4-(1-alkoxy-1-methylethyl)benzaldehyde dimethyl acetal, and intermediates passed through in the process, a hydrolysis step to form the corresponding benzaldehydes and a hydrogenation of this mixture to form 4-isopropylcyclohexylmethanol (IPCHM).
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: November 18, 2014
    Assignee: BASF SE
    Inventors: Florian Stecker, Ulrich Griesbach, Martin Bock, Lucia Königsmann
  • Patent number: 8808781
    Abstract: The present invention relates to a method for producing vanillin, which comprises an electrochemical oxidation of an aqueous, lignin-comprising suspension or solution at an anode, wherein the anode used is a silver electrode.
    Type: Grant
    Filed: August 8, 2012
    Date of Patent: August 19, 2014
    Assignees: BASF SE, Rheinische Friedrich-Wilhelms-Universitaet Bonn
    Inventors: Florian Stecker, Itamar Michael Malkowsky, Andreas Fischer, Siegfried R. Waldvogel, Carolin Regenbrecht
  • Patent number: 8747645
    Abstract: The invention relates to a process for preparing unsymmetrical biaryl by anodic dehydrodimerization of substituted ortho-alkoxyaryl alcohols in the presence of partially fluorinated and/or perfluorinated mediators and a supporting electrolyte.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: June 10, 2014
    Assignee: BASF SE
    Inventors: Florian Stecker, Andreas Fischer, Itamar Michael Malkowsky, Siegfried R. Waldvogel, Axel Kirste
  • Patent number: 8747646
    Abstract: The invention relates to a process for preparing biaryls by anodic cross-dehydrodimerization of substituted phenols with arenes in the presence of partially fluorinated and/or perfluorinated mediators and a supporting electrolyte.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: June 10, 2014
    Assignee: BASF SE
    Inventors: Andreas Fischer, Itamar Michael Malkowsky, Florian Stecker, Siegfried R. Waldvogel, Axel Kirste
  • Publication number: 20140100376
    Abstract: ?-Hydroxycarboxylic esters and ?-lactones which are suitable as flavors can be prepared by electrochemical reductive cross-coupling of ?,?-unsaturated esters with carbonyl compounds in an undivided electrolysis cell having a cathode composed of lead, lead alloys, cadmium, cadmium alloys, mercury, steel, glassy carbon or boron-doped diamonds and a basic aqueous electrolyte comprising an electrolyte salt which suppresses the cathodic formation of hydrogen.
    Type: Application
    Filed: October 25, 2013
    Publication date: April 10, 2014
    Applicant: BASF SE
    Inventors: Itamar Michael Malkowsky, Florian Stecker, Simone Lutter, Olivier Abillard, Ralf Pelzer
  • Publication number: 20140046099
    Abstract: The present invention relates to a process for producing vanillin from an aqueous, basic vanillin-comprising composition, in particular from a composition as arises in the oxidation, especially in the oxidation by electrolysis, of aqueous alkaline lignin-comprising compositions, comprising at least one treatment of an aqueous, basic vanillin-comprising composition, in particular the treatment of a composition as arises in the oxidation, especially in the oxidation by electrolysis, of aqueous alkaline lignin-comprising compositions, with a basic adsorbent, in particular an anion exchanger.
    Type: Application
    Filed: July 3, 2013
    Publication date: February 13, 2014
    Inventors: Florian Stecker, Andreas Fischer, Axel Kirste, Agnes Voitl, Chung Huan Wong, Siegfried Waldvogel, Carolin Regenbrecht, Dominik Schmitt, Marius Franziskus Hartmer
  • Publication number: 20140034508
    Abstract: The present invention relates to a process for preparing vanillin, comprising an electrolysis of an aqueous, alkaline lignin-comprising suspension or solution, wherein, as anode material, a base alloy is used which is selected among Co-base alloys, Fe-base alloys, Cu-base alloys and Ni-base alloys.
    Type: Application
    Filed: July 3, 2013
    Publication date: February 6, 2014
    Inventors: Florian Stecker, Andreas Fischer, Axel Kirste, Siegfried Waldvogel, Carolin Regenbrecht, Dominik Schmitt
  • Patent number: 8629304
    Abstract: The present invention relates to 3-tert-butylbenzaldehyde dimethyl acetal and to 3-tert-butylbenzyl methyl ether and to an electrochemical method for producing 3-tert-butyl-benzaldehyde dimethyl acetal and intermediates passed through in said method.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: January 14, 2014
    Assignee: BASF SE
    Inventors: Florian Stecker, Andreas Fischer, Jörg Botzem, Ulrich Griesbach, Ralf Pelzer
  • Patent number: 8617376
    Abstract: ?-Hydroxycarboxylic esters and ?-lactones which are suitable as flavors can be prepared by electrochemical reductive cross-coupling of ?,?-unsaturated esters with carbonyl compounds in an undivided electrolysis cell having a cathode composed of lead, lead alloys, cadmium, cadmium alloys, mercury, steel, glassy carbon or boron-doped diamonds and a basic aqueous electrolyte comprising an electrolyte salt which suppresses the cathodic formation of hydrogen.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: December 31, 2013
    Assignee: BASF SE
    Inventors: Itamar Michael Malkowsky, Florian Stecker, Simone Lutter, Olivier Abillard, Ralf Pelzer
  • Patent number: 8614358
    Abstract: The present invention relates to a process for preparing 2-methyl-3-(4-tert-butyl-phenyl)propanal with high para-isomer purity, and also to a process for preparing 4-tert-butylbenzaldehyde with high para-isomer purity.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: December 24, 2013
    Assignee: BASF SE
    Inventors: Ulrich Griesbach, Jörg Botzem, Florian Stecker
  • Patent number: 8449755
    Abstract: The invention relates to a process for preparing biaryl alcohols, in which anodic dehydrodimerization of substituted phenols is carried out in the presence of partially fluorinated and/or periluorinated mediators and a supporting electrolyte at a graphite electrode.
    Type: Grant
    Filed: August 28, 2009
    Date of Patent: May 28, 2013
    Assignee: BASF SE
    Inventors: Andreas Fischer, Itamar Michael Malkowsky, Florian Stecker, Siegfried Waldvogel, Axel Kirste
  • Publication number: 20130056364
    Abstract: The invention provides a method for bleaching kitchenware in a dishwasher, comprising the step of the in situ activation of a bleach activator by means of a reactive oxygen species, where the reactive oxygen species is generated in situ in the dishwasher by electrolysis of an aqueous solution.
    Type: Application
    Filed: September 5, 2012
    Publication date: March 7, 2013
    Applicant: BASF SE
    Inventors: Florian Stecker, Steffen Maas, Ulrich Griesbach, Andreas Fischer
  • Publication number: 20130053582
    Abstract: ?-Hydroxycarboxylic esters and ?-lactones which are suitable as flavors can be prepared by electrochemical reductive cross-coupling of ?,?-unsaturated esters with carbonyl compounds in an undivided electrolysis cell having a cathode composed of lead, lead alloys, cadmium, cadmium alloys, mercury, steel, glassy carbon or boron-doped diamonds and a basic aqueous electrolyte comprising an electrolyte salt which suppresses the cathodic formation of hydrogen.
    Type: Application
    Filed: August 24, 2012
    Publication date: February 28, 2013
    Applicant: BASF SE
    Inventors: Itamar Michael Malkowsky, Florian Stecker, Simone Lutter, Olivier Abillard, Ralf Pelzer
  • Publication number: 20130040031
    Abstract: The present invention relates to a method for producing vanillin, which comprises an electrochemical oxidation of an aqueous, lignin-comprising suspension or solution at an anode, wherein the anode used is a silver electrode.
    Type: Application
    Filed: August 8, 2012
    Publication date: February 14, 2013
    Applicants: Rheinische Friedrich-Wilhelms-Universitaet Bonn, BASF SE
    Inventors: Florian STECKER, Itamar Michael MALKOWSKY, Andreas FISCHER, Siegfried R. WALDVOGEL, Carolin REGENBRECHT
  • Publication number: 20120080320
    Abstract: The invention relates to a process for preparing biaryls by anodic cross-dehydrodimerization of substituted phenols with arenes in the presence of partially fluorinated and/or perfluorinated mediators and a supporting electrolyte.
    Type: Application
    Filed: June 1, 2010
    Publication date: April 5, 2012
    Applicant: BASF SE
    Inventors: Andreas Fischer, Itamar Michael Malkowsky, Florian Stecker, Siegfried R. Waldvogel, Axel Kirste
  • Publication number: 20120067736
    Abstract: The invention relates to a process for preparing unsymmetrical biaryl by anodic dehydrodimerization of substituted ortho-alkoxyaryl alcohols in the presence of partially fluorinated and/or perfluorinated mediators and a supporting electrolyte.
    Type: Application
    Filed: June 1, 2010
    Publication date: March 22, 2012
    Applicant: BASF SE
    Inventors: Florian Stecker, Andreas Fischer, Itamar Michael Malkowsky, Siegfried R. Waldvogel, Axel Kirste
  • Publication number: 20120071696
    Abstract: The present invention relates to a process for preparing 2-methyl-3-(4-tert-butyl-phenyl)propanal with high para-isomer purity, and also to a process for preparing 4-tert-butylbenzaldehyde with high para-isomer purity.
    Type: Application
    Filed: September 16, 2011
    Publication date: March 22, 2012
    Applicant: BASF SE
    Inventors: Urlich Griesbach, Jörg Botzem, Florian Stecker