Patents by Inventor Hans Henning Wenk

Hans Henning Wenk 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: 20250129397
    Abstract: The present invention relates to a recombinant microbial cell for producing N5-aminopentyl-N-(hydroxy)-succinamic acid of Formula I from at least one simple carbon source: where n is 2 and wherein the simple carbon source is selected from the group consisting of glucose, sucrose, xylose, arabinose, mannose, glycerol and combinations thereof and wherein the cell comprises a further genetic modification to increase production of L-lysine from at least one of the simple carbon sources.
    Type: Application
    Filed: May 11, 2023
    Publication date: April 24, 2025
    Applicants: Evonik Operations GmbH, Evonik Dr. Straetmans GmbH
    Inventors: Steffen SCHAFFER, Mirja WESSEL, Alexander THIEMANN, Hans Henning WENK
  • Publication number: 20250107991
    Abstract: A composition includes 20% to 70% by weight of at least one glucolipid of formula (I) or salts thereof and 30% to 80% by weight of water. A pH of the composition at 25° C. is from 3.5 to 8.0. A method prepares a formulation containing glucolipids by mixing a composition containing glucolipids with at least one further formulation component and adjusting the glucolipid content by adding water.
    Type: Application
    Filed: November 25, 2022
    Publication date: April 3, 2025
    Applicant: Evonik Operations GmbH
    Inventors: Stefan Julian Liebig, Jochen Kleinen, Hans Henning Wenk, Karin Fürch, Marius Merschmann, Jakob Müller, Hacer Yalcinkaya, Stefanie Volkmer
  • Publication number: 20250073149
    Abstract: Compositions containing at least one biosurfactant and at least one sulfonic or sulfinic acid derivative can be used in formulations
    Type: Application
    Filed: April 28, 2022
    Publication date: March 6, 2025
    Applicant: Evonik Operations GmbH
    Inventors: Jakob Müller, Stefan Julian Liebig, Christoph Tölle, Hans Henning Wenk
  • Publication number: 20240342069
    Abstract: The present invention provides a composition comprising at least one fatty acid amidoalkyl betaine and at least one derivative of a dimethylaminoalkylamine and also a process for producing a surfactant.
    Type: Application
    Filed: March 31, 2022
    Publication date: October 17, 2024
    Inventors: Dominik SCHUCH, Uwe BEGOIHN, Christian HARTUNG, Hans Henning WENK, Ralf KLEIN
  • Patent number: 12031006
    Abstract: The invention relates to the use of polyolethers as additives in aqueous polymer dispersions for producing porous polymer coatings, preferably for producing porous polyurethane coatings.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: July 9, 2024
    Assignee: Evonik Operations GmbH
    Inventors: Michael Klostermann, Jan Marian Von Hof, Martin Glos, Christian Eilbracht, Verena Dahl, Oliver Springer, Hans Henning Wenk
  • Patent number: 11993803
    Abstract: The invention relates to a mixture composition comprising glucolipids, to its use for producing formulations and to formulations comprising this mixture composition.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: May 28, 2024
    Assignee: Evonik Operations GmbH
    Inventors: Kathrin Daniela Brandt, Stefan Julian Liebig, Hans Henning Wenk, Maciej Olek, Martin Schilling, Steffen Schaffer, Mirja Wessel, Anne Jeremias
  • Patent number: 11939612
    Abstract: The invention provides a process for preparing sphingolipids, compositions comprising sphingolipids and further components, and for the use of the compositions.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: March 26, 2024
    Assignee: Evonik Operations GmbH
    Inventors: Marrit Friederike Eckstein, Monica Desiree van Logchem, Hans Henning Wenk, Annika Schrader, Ursula Maczkiewitz, Claudia Hierath, Sunay Karacocuk, Andreas Seifert
  • Publication number: 20240092728
    Abstract: Hydroxy-substituted sphingolipids are useful as constituents in cosmetic formulations. A method for preparing the sphingolipids involves reacting a lysosphingolipid with a hydroxycarboxylic acid or an intramolecular cyclic ester of a hydroxycarboxylic acid. The sphingolipids can be used for therapy or prophylaxis of cell damage, including skin cell damage and cell damage induced by UV radiation.
    Type: Application
    Filed: January 5, 2022
    Publication date: March 21, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Xin LU, Jennifer Schild, Sandra Nattland, Marita Regina Baetsen, Ursula Maczkiewitz, Hans Henning Wenk, Monica Desiree van Logchem, Lisa Maus
  • Patent number: 11918670
    Abstract: A composition contains glycolipids and triethyl citrate (TEC). The TEC can assist in stabilizing a foam of a corresponding aqueous composition. A method can be used for preparing a corresponding formulation, preferably a cosmetical or pharmaceutical formulation, by providing the composition and diluting the composition. The pH of the composition may be adjusted during the dilution by adding an organic or inorganic base.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: March 5, 2024
    Assignees: Evonik Operations GmbH, Evonik Dr. Straelmans GmbH
    Inventors: Kathrin Daniela Brandt, Stefan Julian Liebig, Hans Henning Wenk, Manuela Salmina-Petersen, Christoph Tölle, Alina Muss
  • Patent number: 11851583
    Abstract: The invention relates to a process for producing a porous polyurethane coatings, using a polyol ester as additives in an aqueous polymer dispersion, the process comprising the steps of a) providing a mixture comprising an aqueous polymer dispersion, a polyol ester, and an additive, b) foaming the mixture to give a homogeneous, fine-cell foam, c) adding at least one thickener to establish the desired viscosity of the wet foam, d) applying a coating of the foamed polymer dispersion to a suitable carrier, e) drying the coating. The invention further relates to a phosphorylated polyol ester.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: December 26, 2023
    Assignee: Evonik Operations GmbH
    Inventors: Michael Klostermann, Martin Glos, Jan Marian Von Hof, Verena Dahl, Christian Eilbracht, Oliver Springer, Hans Henning Wenk
  • Publication number: 20230372215
    Abstract: Polyglycerol partial esters based on mono- and dicarboxylic acids are useful, in cosmetics in particular. The polyglycerol partial esters can be produced by esterification of a polyglycerol with a carboxylic acid mixture containing at least one short-chain dicarboxylic acid and at least one long-chain, saturated and linear monocarboxylic acid.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 23, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Christian HARTUNG, Jan Marian von Hof, Matthias Mentel, Achim Friedrich, Jochen Kleinen, Joachim Venzmer, Juergen Meyer, Hans Henning Wenk, Sven Klare
  • Publication number: 20230372214
    Abstract: Polyglycerol partial esters based on mono- and dicarboxylic acids are useful, in cosmetics in particular. The polyglycerol partial esters can be produced by esterification of a polyglycerol with a carboxylic acid mixture containing at least one short-chain dicarboxylic acid, at least one long-chain dicarboxylic acid, and at least one long-chain, saturated and linear monocarboxylic acid.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 23, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Christian Hartung, Jan Marian von Hof, Matthias Mentel, Achim Friedrich, Jochen Kleinen, Joachim Venzmer, Juergen Meyer, Hans Henning Wenk, Sven Klare
  • Publication number: 20230348514
    Abstract: A rhamnolipid ester is useful as a cosmetic additive. A method of its production involves providing at least one rhamnolipid, reacting the at least one rhamnolipid with at least one coupling reagent, reacting the at least one rhamnolipid with a polyhydric alcohol having 1 to 32 carbon atoms, and optionally purifying the at least one rhamnolipid ester.
    Type: Application
    Filed: July 12, 2021
    Publication date: November 2, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Xin Lu, Jochen Kleinen, Hans Henning Wenk
  • Patent number: 11696885
    Abstract: The invention relates to a dispersion containing at least one rhamnolipid derivative and also to the use of the rhamnolipid derivatives as emulsifier or dispersing aid.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: July 11, 2023
    Assignee: Evonik Operations GmbH
    Inventors: Xin Lu, Sandra Nattland, Achim Friedrich, Hans Henning Wenk
  • Publication number: 20230190615
    Abstract: A composition contains 2 to 6 parts by weight of at least one rhamnolipid, 1 to 4 parts by weight of at least one alkyl polyglycoside, and 1 to 3 parts by weight of at least one acyl lactylate.
    Type: Application
    Filed: March 16, 2021
    Publication date: June 22, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Stefan Julian Liebig, Hans Henning Wenk, Kathrin Daniela Brandt, Manuela Salmina-Petersen, Jan Jänichen, Ilona DAVIDS
  • Publication number: 20230121094
    Abstract: A composition contains glycolipids and Methyl citrate (TEC). The TEC can assist in stabilizing a foam of a corresponding aqueous composition. A method can be used for preparing a corresponding formulation, preferably a cosmetical or pharmaceutical formulation, by providing the composition and diluting the composition.
    Type: Application
    Filed: March 8, 2021
    Publication date: April 20, 2023
    Applicants: Evonik Operations GmbH, Evonik Dr. Straetmans GmbH
    Inventors: Kathrin Daniela Brandt, Stefan Julian Liebig, Hans Henning Wenk, Manuela Salmina-Petersen, Christoph Tölle, Alina Muss
  • Patent number: 11606963
    Abstract: The invention relates to compositions comprising glycolipids and benzoic acid and/or sorbic acid.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: March 21, 2023
    Assignee: Evonik Operations GmbH
    Inventors: Martin Schilling, Josef Lorenz, Kathrin Daniela Brandt, Monica Desiree van Logchem, Maciej Olek, Hans Henning Wenk
  • Publication number: 20230055814
    Abstract: A process can be used for the enzymatic preparation of sugar esters and/or sugar alcohol esters. Mixture compositions contain the sugar esters and/or sugar alcohol esters.
    Type: Application
    Filed: December 17, 2020
    Publication date: February 23, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Jan Marian VON HOF, Stefan Julian Liebig, Hans Henning Wenk, Marrit Friederike Eckstein, Sunay Karacocuk, Maxim Yavorsky
  • Publication number: 20230033620
    Abstract: Xylitol carboxylates are products of interest in the food and cosmetics industries. A process can be used for the enzymatic preparation of xylitol carboxylates.
    Type: Application
    Filed: December 17, 2020
    Publication date: February 2, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Stefan Julian Liebig, Jan Marian von Hof, Thomas Böhmer, Thomas Thomalla, Kathrin Daniela Brandt, Christian Hartung, Hans Henning Wenk, Maxim Yavorsky, Sunay Karacocuk
  • Publication number: 20230023141
    Abstract: A process can be used for enzymatic preparation of sorbitan carboxylates. Sorbitan carboxylates are obtainable by this process.
    Type: Application
    Filed: December 17, 2020
    Publication date: January 26, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Jan Marian VON HOF, Stefan Julian Liebig, Thomas Thomalla, Thomas Böhmer, Kathrin Daniela Brandt, Christian Hartung, Hans Henning Wenk, Maxim Yavorsky, Sunay Karacocuk