Patents by Inventor Stefan Julian Liebig

Stefan Julian Liebig 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).

  • Mixture composition comprising glucolipids
    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
  • Mixture composition comprising glycolipids and triethyl citrate
    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
  • COMPOSITIONS CONTAINING BIOSURFACTANTS AND A LIPASE FROM STACHYBOTRYS CHLOROHALONATA
    Publication number: 20230265359
    Abstract: A composition contains at least one lipase selected from SEQ ID NO: 1 and its respective at least 60%, preferably at least 80%, more preferably at least 90%, especially preferably at least 95%, 98%, or 99%, homologues at the amino acid level; at least one biosurfactant; and optionally, at least one non-bio surfactant. The composition can be used to to remove fat and/or oil-containing stains from a surface.
    Type: Application
    Filed: February 23, 2023
    Publication date: August 24, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Alexandra Trambitas, Hitesh Vashisht, Jochen Kleinen, Stefan Julian Liebig, Walter Pfefferle, Harald Schmidt
  • COMPOSITIONS COMPRISING RHAMNOLIPID, ALKYL POLYGLYCOSIDE AND ACYL LACTYLATE
    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
  • MIXTURE COMPOSITION COMPRISING GLYCOLIPIDS AND TRIETHYL CITRATE
    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
  • Process for enzymatically preparing sugar esters and/or sugar alcohol esters
    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
  • CARBOXYLIC ACID ESTERS OF XYLITOL AND PROCESS FOR ENZYMATICALLY PREPARING SAME
    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
  • SORBITAN ESTERS AND PROCESS FOR ENZYMATICALLY PREPARING SAME
    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
  • MIXTURE COMPOSITION COMPRISING GLUCOLIPIDS
    Publication number: 20210371773
    Abstract: The invention relates to a mixture composition comprising glucolipids, to its use for producing formulations and to formulations comprising this mixture composition.
    Type: Application
    Filed: February 8, 2019
    Publication date: December 2, 2021
    Applicant: Evonik Operations GmbH
    Inventors: Kathrin Daniela Brandt, Stefan Julian Liebig, Hans Henning Wenk, Maciej Olek, Martin Schilling, Steffen Schaffer, Mirja Wessel, Anne Jeremias
  • Method for producing surfactants
    Patent number: 10618867
    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: Grant
    Filed: June 6, 2017
    Date of Patent: April 14, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Stefan Julian Liebig, Dominik Schuch, Jan Marian von Hof, Kathrin Daniela Brandt, Maximilian Vogt, Hans Henning Wenk
  • METHOD FOR PRODUCING SURFACTANTS
    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