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: 20190256542
    Abstract: The invention provides ester derivatives of rhamnolipids, formulations comprising these, and the use thereof.
    Type: Application
    Filed: February 15, 2017
    Publication date: August 22, 2019
    Applicant: Evonik Degussa GmbH
    Inventors: Xin Lu, Sandra Nattland, Monica Desiree van Logchem, Hans Henning Wenk, Fabien Cabirol, Verena Dahl, Ralph Scheuermann, Kathrin Daniela Brandt, Jochen Kleinen
  • Publication number: 20190135734
    Abstract: The present invention relates to a method in which an amino acid is reacted with an acyl group donor to obtain an N-acylamino acid in the presence of an amine.
    Type: Application
    Filed: June 6, 2017
    Publication date: May 9, 2019
    Applicant: Evonik Degussa GmbH
    Inventors: Stefan Julian Liebig, Dominik Schuch, Jan Marian von Hof, Kathrin Daniela Brandt, Maximilian Vogt, Hans Henning Wenk
  • Publication number: 20190040095
    Abstract: The invention provides derivatives of rhamnolipids, formulations comprising these, and the use thereof.
    Type: Application
    Filed: February 15, 2017
    Publication date: February 7, 2019
    Applicant: Evonik Degussa GmbH
    Inventors: Xin Lu, Sandra Nattland, Monica Desiree van Logchem, Hans Henning Wenk, Fabien Cabirol, Verena Dahl, Ralph Scheuermann, Kathrin Daniels Brandt, Jochen Kleinen
  • Publication number: 20180344602
    Abstract: The invention relates to aqueous compositions comprising ?-aminocarboxylic acid ester and fatty alcohol.
    Type: Application
    Filed: April 25, 2016
    Publication date: December 6, 2018
    Inventors: Dominik Schuch, Christian Hartung, Hans Henning Wenk, Oliver Springer, Peter Schwab, Peter Muss
  • Patent number: 10066191
    Abstract: The present invention relates to washing or cleaning agents having improved foaming characteristics under high soil loading, containing at least one anionic surfactant and at least one alkylamidopropyl betaine of formula (R1)C(?O)NH(CH2)3N+(R2)(R3)CH2COO?, where R1 is an alkyl radical having 7 to 9 carbon atoms and R2 and R3 are identical or different alkyl radicals having 1 to 3 carbon atoms, wherein the weight ratio of the alkylamidopropyl betaine defined herein/total amount of anionic surfactant in the washing or cleaning agent is from 0.003 to 0.12, wherein the weight ratio of the total amount of alkylamidopropyl betaine as defined herein/total amount of alkylamidopropyl betaine in the washing or cleaning agent is 0.25 to 1.0, to washing or cleaning methods in which washing or cleaning agents of this kind are used.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: September 4, 2018
    Assignee: Henkel AG & Co. KGaA
    Inventors: Peter Schmiedel, Walter Heberlein, Danilo Panzica, Ketan Patil, Dieter Nickel, Ingrid Kraus, Robin Kleinschnitz, Hans-Henning Wenk, Dirk Kuppert, Juergen Lattich, Ashraf Marzouk
  • Publication number: 20180023040
    Abstract: The invention relates to compositions comprising at least one protease and at least one biosurfactant, particularly selected from rhamnolipids and sophorolipids. In particular, the present invention is directed to a composition including A) at least one peptidase, B) at least one biosurfactant, and optionally C) at least one anionic surfactant. The peptidase may be selected from the group of the proteases, particularly from the group of the serine proteases of EC 3.4.21 and the metalloproteases of EC 3.4.24 and the biosurfactant may be selected from the group comprising rhamnolipids and sophorolipids.
    Type: Application
    Filed: March 11, 2016
    Publication date: January 25, 2018
    Inventors: Martin Schilling, Ilona Davids, Monica Desiree van Logchem, Hans Henning Wenk
  • Publication number: 20180016525
    Abstract: The invention provides compositions comprising at least one rhamnolipid and at least one siloxane, characterized in that the weight ratio of rhamnolipid to siloxane is from 5,000,000:1 to 100:1, preferably from 500,000:1 to 1000:1, particularly preferably from 25,000:1 to 2500:1. In another embodiment, the invention provides compositions include rhamnolipid in an amount of from 0.5% by weight to 70% by weight, preferably from 2% by weight to 60% by weight, particularly preferably from 3% by weight to 50% by weight, where the percentages by weight refer to the total composition.
    Type: Application
    Filed: February 8, 2016
    Publication date: January 18, 2018
    Inventors: Ralph Scheuermann, Marcel Pickl, Michael Ferenz, Hans Henning Wenk, Martin Schilling, Kathrin Daniela Brandt, Verena Dahl
  • Publication number: 20170335238
    Abstract: A rhamnolipid composition including 30% by weight to 70% by weight, of at least one rhamnolipid and 30% by weight to 70% by weight of water, where the percentages by weight refer to the total composition, wherein the pH of the composition at 25° C. is from 5.5 to 7.0. In addition to the foregoing rhamnolipid composition, also set forth is a method to make a solution of rhamnolipids; and a salt of at least one rhamnolipid.
    Type: Application
    Filed: November 9, 2015
    Publication date: November 23, 2017
    Inventors: Martin Schilling, Jochen Kleinen, Josef Lorenz, Hans Henning Wenk
  • Publication number: 20170306264
    Abstract: The present invention further relates to a biosurfactant-containing formulation including A) at least one biosurfactant, and B) at least one additional surfactant selected from the group of betaines, alkoxylated fatty alcohol sulphates and alkylamine oxides, wherein the biosurfactant-containing formulation may be used on hard surfaces.
    Type: Application
    Filed: September 2, 2015
    Publication date: October 26, 2017
    Inventors: Jörg Peggau, Ulrike Kottke, Hans Henning Wenk, Dirk Kuppert, Jochen Kleinen
  • Patent number: 9745251
    Abstract: The invention relates to novel compounds, to aqueous, in particular surfactant-containing formulations containing the novel compounds and to the use of the novel compounds as thickening agents of aqueous, in particular surfactant-containing formulations.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: August 29, 2017
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Michael Klostermann, Hans Henning Wenk, Hans-Juergen Koehle, Joachim Venzmer, Dirk Kuppert, Juergen Lattich, Ulrike Kottke
  • Publication number: 20160348033
    Abstract: The present invention relates to washing or cleaning agents having improved foaming characteristics under high soil loading, containing at least one anionic surfactant and at least one alkylamidopropyl betaine of formula (R1)C(?O)NH(CH2)3N+(R2)(R3)CH2COO?, where R1 is an alkyl radical having 7 to 9 carbon atoms and R2 and R3 are identical or different alkyl radicals having 1 to 3 carbon atoms, wherein the weight ratio of the alkylamidopropyl betaine defined herein/total amount of anionic surfactant in the washing or cleaning agent is from 0.003 to 0.12, wherein the weight ratio of the total amount of alkylamidopropyl betaine as defined herein/total amount of alkylamidopropyl betaine in the washing or cleaning agent is 0.25 to 1.0, to washing or cleaning methods in which washing or cleaning agents of this kind are used.
    Type: Application
    Filed: August 12, 2016
    Publication date: December 1, 2016
    Applicant: Henkel AG & Co. KGaA
    Inventors: Peter Schmiedel, Walter Heberlein, Danilo Panzica, Ketan Patil, Dieter Nickel, Ingrid Kraus, Robin Kleinschnitz, Hans-Henning Wenk, Dirk Kuppert, Juergen Lattich, Ashraf Marzouk
  • Patent number: 9427385
    Abstract: The invention relates to polyglycerol esters with a particular oligomer distribution of the polyglycerol present, and to their use in in particular cosmetic formulations as, for example, emulsifier.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: August 30, 2016
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Juergen Meyer, Achim Friedrich, Hannelore Foetsch, Oliver Springer, Jan Marian von Hof, Hans Henning Wenk
  • Publication number: 20160083333
    Abstract: The invention relates to cosmetic formulations comprising specific ester quats based on isopropanolamine or tetrahydroxypropyl ethylenediamine, and to the use of these ester quats in cosmetics.
    Type: Application
    Filed: September 22, 2015
    Publication date: March 24, 2016
    Inventors: Peter Schwab, Hans-Juergen Koehle, Kurt Seidel, Ursula Westerholt, Hans Henning Wenk
  • Patent number: 9243212
    Abstract: The invention relates to detergent formulations for textiles, comprising rhamnolipids, where the content of di-rhamnolipids predominates, and to the use of certain rhamnolipid mixture compositions and of the aforementioned detergent formulations for increasing the rate of foam formation and/or for foam stabilization, and to the use of rhamnolipids for preventing the greying of a textile.
    Type: Grant
    Filed: April 2, 2014
    Date of Patent: January 26, 2016
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Dirk Kuppert, Ulrike Kottke, Juergen Lattich, Magdalena Volk, Hans Henning Wenk, Fabien Cabirol, Martin Schilling, Steffen Schaffer, Petra Allef
  • Patent number: 9109051
    Abstract: The present invention relates to methods of producing crosslinked hyaluronic acid microbeads, as well as the produced microbeads, said method comprising the steps of: (a) providing an aqueous alkaline solution comprising hyaluronic acid, or a salt thereof; (b) forming microdroplets having a desired size from the mixed solution of step (a) in an organic or oil phase to form a water in organic or water in oil (VWO) emulsion, wherein the amount of oil phase used is of from 20 to less than 50% by weight based on the sum of oil phase and water; (c) adding a solution comprising a crosslinking agent to the emulsion, whereby the reaction of hyaluronic acid with the crosslinking agent takes place to provide crosslinked hyaluronic acid microbeads; and (d) optionally working up the dispersion of crosslinked hyaluronic acid microbeads obtained in step (c).
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: August 18, 2015
    Assignees: EVONIK GOLDSCHMIDT GMBH, NOVOZYMES BIOPOLYMER A/S
    Inventors: Hans Henning Wenk, Mike Farwick, Sandra Nattland, Ursula Maczkiewitz, Birgitte Moelholm Malle
  • Publication number: 20150203443
    Abstract: The invention relates to novel compounds, to aqueous, in particular surfactant-containing formulations containing the novel compounds and to the use of the novel compounds as thickening agents of aqueous, in particular surfactant-containing formulations.
    Type: Application
    Filed: March 7, 2013
    Publication date: July 23, 2015
    Applicant: EVONIK INDUSTRIES AG
    Inventors: Michael Klostermann, Hans Henning Wenk, Hans-Juergen Koehle, Joachim Venzmer, Dirk Kuppert, Juergen Lattich, Ulrike Kottke
  • Patent number: 8993792
    Abstract: The invention relates to polyglycol ether-free, polyglycerol partial ester-based sulphosuccinates, the preparation thereof, and the use of these in cosmetic formulations and also in cleaning compositions in the industrial and domestic sector and formulations comprising these sulphosuccinates.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: March 31, 2015
    Assignee: Evonik Industries AG
    Inventors: Christian Hartung, Dominik Schuch, Wolfgang Berkels, Peter Muss, Ursula Westerholt, Sascha Herrwerth, Joerg Peggau, Oliver Springer, Hans Henning Wenk, Ralf Klein
  • Patent number: 8883712
    Abstract: A fabric softening composition which comprises as component A a tertiary or quaternary ammonium salt of formulae (I) or (II): R1R2R3N+CH2CHR4OC(?O)R5X???(I) R1R2R3N+(CH2)3NHR(?O)R5X???(II) in which R1 is hydrogen, methyl or ethyl, R2 and R3, independently of one another, are C1-4 alkyl or C2-4 hydroxyalkyl, R4 is hydrogen or methyl, R5 is a linear C15-21 alkyl or alkenyl radical and X? is a monovalent anion, and as component B a nonionic softener with only one long-chain hydrocarbon radical bonded to a polar radical having at least one free hydroxy group, where fatty alcohol alkoxylate or fatty acid alkoxylate are excluded as component B, exhibits a good softening effect and forms storage-stable dispersions if the molar ratio of component A to component B is in the range from 2:1 to 1:3, the difference between the average chain length of the long-chain hydrocarbon radicals of components A and B is at most 2 carbon atoms and the hydrocarbon radicals of components A and B have on average in each case at most
    Type: Grant
    Filed: April 19, 2011
    Date of Patent: November 11, 2014
    Assignee: Evonik Degussa GmbH
    Inventors: Hans-Jürgen Köhle, Ulrike Kottke, Hans Henning Wenk, Harald Jakob
  • Publication number: 20140296125
    Abstract: The invention relates to detergent formulations for textiles, comprising rhamnolipids, where the content of di-rhamnolipids predominates, and to the use of certain rhamnolipid mixture compositions and of the aforementioned detergent formulations for increasing the rate of foam formation and/or for foam stabilization, and to the use of rhamnolipids for preventing the greying of a textile.
    Type: Application
    Filed: April 2, 2014
    Publication date: October 2, 2014
    Applicant: EVONIK INDUSTRIES AG
    Inventors: Dirk Kuppert, Ulrike Kottke, Juergen Lattich, Magdalena Volk, Hans Henning Wenk, Fabien Cabirol, Martin Schilling, Steffen Schaffer, Petra Allef
  • Patent number: 8703159
    Abstract: The present invention relates to cosmetic compositions containing polyglycerol partial esters of linear, unsubstituted carboxylic acids and bifunctional carboxylic acids with the provisos that the polyglycerol partial ester comprises an HLB-value from 2 to 10 and that the polyglycerol obtained by hydrolysis or alcoholysis of the polyglycerol partial ester comprises an average degree of polymerization of from 2 to 8 and at least 1% of the polyglycerol comprises cyclic structures. The present invention also relates to the use of aforementioned polyglycerol esters for the production of and use in cosmetic compositions.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: April 22, 2014
    Assignee: Evonik Goldschmidt GmbH
    Inventors: Hans Henning Wenk, Peter Lersch