Patents by Inventor Steffen Schaffer

Steffen Schaffer 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: 20260226518
    Abstract: The present application is directed to a microorganism containing at least one heterologous gene coding for a L-arginine:glycine amidinotransferase (AGAT) and at least one heterologous L-threonine aldolase gene (lta). Disclosed herein is a method for the fermentative production of guanidinoacetic acid (GAA) using such microorganism. Herein is also disclosed a method for the fermentative production of creatine.
    Type: Application
    Filed: January 30, 2024
    Publication date: August 6, 2026
    Applicant: Evonik Operations GmbH
    Inventors: Steffen Schaffer, Martina Carrillo Camacho, Frank Schneider, Mirja Wessel
  • Publication number: 20260226404
    Abstract: The present application is directed to a microorganism containing at least one heterologous gene coding for a L-arginine:glycine amidinotransferase (AGAT), at least one heterologous L-threonine 3-dehydrogenase gene (tdh), and at least one heterologous glycine C-acetyltransferase (2-amino-3-oxobutanoate coenzyme A ligase) gene (kbl). Also disclosed is a method for the fermentative production of guanidinoacetic acid (GAA) using such microorganism. The disclosure also relates to a method for the fermentative production of creatine.
    Type: Application
    Filed: January 30, 2024
    Publication date: August 6, 2026
    Applicant: Evonik Operations GmbH
    Inventors: Steffen Schaffer, Martina Carrillo Camacho, Frank Schneider, Mirja Wessel
  • Publication number: 20260218253
    Abstract: A microorganism has been modified to express genes encoding proteins having arginine:glycine amidinotransferase (AGAT) activity as well as modified to increase the production of glycine from L-serine and a method produces guanidinoacetic acid (GAA) through the fermentation of such microorganism and a method produces creatine.
    Type: Application
    Filed: December 29, 2023
    Publication date: July 30, 2026
    Applicant: Evonik Operations GmbH
    Inventors: Steffen Schaffer, Martina Carrillo Camacho, Frank Schneider, Mirja Wessel
  • Publication number: 20260201431
    Abstract: A method produces rhamnolipids by contacting a cell with a medium containing a carbon source, culturing the cell under conditions allowing the cell to make rhamnolipids from the carbon source, and optionally isolating the rhamnolipids made, wherein the cell is a rhamnolipid-making cell that it is genetically modified such that it has a decreased activity, compared to the wild type thereof, of an ABC glucose transporter and an increased activity, compared to the wild type thereof, of at least one non-ABC glucose transporter.
    Type: Application
    Filed: December 12, 2025
    Publication date: July 16, 2026
    Applicant: Evonik Operations GmbH
    Inventors: Oliver Thum, Steffen Schaffer, Christoph Schorsch, Mirja Wessel
  • Publication number: 20260008837
    Abstract: Polynucleotides with an N-terminal signal sequence encode an amino acid sequence encoding a collagen protein or a bacterial collagen-like protein. Fusion products of collagen-like protein with various N-terminal signal peptides lead to increased production of collagen-like protein and secretion in a fermentative process for secreting bacterial collagen-like proteins in a host.
    Type: Application
    Filed: February 28, 2023
    Publication date: January 8, 2026
    Applicant: Evonik Operations GmbH
    Inventors: Steffen Schaffer, Mirja Wessel, Linda Feldmann
  • Publication number: 20260002183
    Abstract: The present invention relates to an enzymatically catalyzed method for producing L-glufosinate or a phosphoester thereof. The method includes reacting an activated L-homoserine HA with a substrate S selected from methylphosphinic acid and esters thereof. Sulfhydrylase enzyme E1 is used for the enzymatic catalysis. The invention makes accessible new substrates for the enzymatic production of L-glufosinate and its phosphoesters.
    Type: Application
    Filed: September 21, 2022
    Publication date: January 1, 2026
    Applicant: Evonik Operations GmbH
    Inventors: Daniel Fischer, Ludger Lautenschütz, Steffen Schaffer, Markus Pötter
  • Publication number: 20250340893
    Abstract: A recombinant microbial cell is capable of producing at least one compound having structural Formula II from a carbon source: In Formula II, n=2-3; R1=H or COCH3 or CH2CH2COX with X=OH or O—; R2=CH3 or CH2CH2COX with X=OH or O— where the cell comprises a genetic modification to increase activity relative to its wild-type cell of E4 where E4 is a desferrioxamine or bisucaberin synthetase (EC 6.3.-.-) (E4i) capable of converting N5-aminopentyl-N-(hydroxy)-succinamic acid to desferrioxamine B or H or at least one other linear desferrioxamine or bisucaberin according to Formula II.
    Type: Application
    Filed: May 11, 2023
    Publication date: November 6, 2025
    Applicants: Evonik Operations GmbH, Evonik Dr. Straetmans GmbH
    Inventors: Steffen SCHAFFER, Mirja WESSEL, Alexander THIEMANN, Hans Henning WENK
  • Publication number: 20250313872
    Abstract: The present invention relates to a recombinant microbial cell for producing at least one compound having structural Formula III from at least one simple carbon source: wherein the simple carbon source is selected from the group consisting of glucose, sucrose, xylose, arabinose, mannose and glycerol; and wherein the cell comprises a further genetic modification to increase production of L-lysine in the cell from at least one of the simple carbon sources.
    Type: Application
    Filed: May 11, 2023
    Publication date: October 9, 2025
    Applicants: Evonik Operations GmbH, Evonic Dr. Straetmans GmbH
    Inventors: Steffen SCHAFFER, Mirja WESSEL, Alexander THIEMANN, Hans Henning WENK
  • Publication number: 20250163481
    Abstract: A microorganism produces guanidinoacetic acid (GAA) and has at least one gene coding for a protein having the function of a NADH-dependent dehydrogenase. A method for the fermentative production of GAA uses such microorganism. A method produces creatine through fermentative production. Industrial feed stocks are used as starting material in the fermentative process.
    Type: Application
    Filed: May 24, 2023
    Publication date: May 22, 2025
    Applicant: Evonik Operations GmbH
    Inventors: Frank Schneider, Steffen Schaffer, Kay Marin, Melanie Nickolaus, Julia Tegethoff, Marleen Oesterhoff
  • 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
  • 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
  • Publication number: 20240002813
    Abstract: Cells which make rhamnolipids and are genetically modified such that they have a decreased activity, compared to the wild type thereof, are provided. A glucose dehydrogenase and a method for producing rhamnolipids using the cells according to the invention are also provided.
    Type: Application
    Filed: May 5, 2023
    Publication date: January 4, 2024
    Applicant: Evonik Operations GmbH
    Inventors: Oliver Thum, Steffen Schaffer, Christoph Schorsch, Mirja Wessel
  • Publication number: 20230340428
    Abstract: A polynucleotide, encoding an amino acid sequence, encoding an oxidoreductase, that is ?50% identical to an amino acid sequence of SEQ ID NO:1 (Geobacillus sp. PA9), SEQ ID NO:3 (Thermus thermophilus), SEQ ID NO:4 (Streptomyces globisporus), SEQ ID NO:5 (Clostridium aminobutyricum), SEQ ID:6 (Burkholderai cepacia), SEQ ID NO:8 (Oscillatoria sp. PCC 6506), or SEQ ID NO:9 (Paraburkholderia phymatum). The polynucleotide has an amino acid exchange in one or more of positions 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214 of SEQ ID NO:1, or at a corresponding position of the amino acid sequence of SEQ ID NO:3, SEQ ID NO:4, SEQ ID:5, SEQ ID NO:6, SEQ ID NO:8, or SEQ ID NO:9.
    Type: Application
    Filed: July 14, 2021
    Publication date: October 26, 2023
    Applicant: Evonik Operations GmbH
    Inventors: Steffen SCHAFFER, Tobias BLATTERT, Steffen OSSWALD, Ronald MATHAE, Bo Roger SVENSSON, Derek Thomas LOGAN, Rudy PANDJAITAN, Matthieu NG FUK CHONG
  • Patent number: 11685905
    Abstract: The invention relates to cells which make rhamnolipids and are genetically modified such that they have a decreased activity, compared to the wild type thereof, of a glucose dehydrogenase and to a method for producing rhamnolipids using the cells according to the invention.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: June 27, 2023
    Assignee: Evonik Operations GmbH
    Inventors: Oliver Thum, Steffen Schaffer, Christoph Schorsch, Mirja Wessel
  • Patent number: 11236372
    Abstract: The present invention relates to at least one cell for producing at least one lipid with general formula II from at least one carbon substrate, wherein R1 and R2 independently of one another comprises identical or different organic radicals each with 5 to 13 carbon atoms, wherein the cell is a non-pathogenic cell that is genetically modified to increase the heterologous expression relative to the wild type cell of: an enzyme (E2) capable of converting 3-hydroxyalkanoyl-3-hydroxyalkanoyl-CoA/ACP or 3-(3-hydroxyalkanoyloxy)alkanoic acid (HAA) and NDP-glucose into ?-D-glucopyranosyl-3-hydroxyalkanoyl-3-hydroxyalkanoate.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: February 1, 2022
    Assignee: Evonik Operations GmbH
    Inventors: Mirja Wessel, Steffen Schaffer, Anne Jeremias, Martin Schilling, Hans Henning Wenk
  • 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
  • Patent number: 11124813
    Abstract: The present invention relates to a compound of general formula I The present invention also relates to a method of producing N-acetyl homoserine and/or derivatives thereof, the method comprising contacting at least one recombinant cell in an aqueous medium with acetate wherein the recombinant cell comprises an increased activity relative to a wild type cell of (a) an enzyme E1, a homoserine dehydrogenase (EC1.1.1.3) and/or an enzyme E5, an aspartokinase (EC2.7.2.4); and (b) an enzyme E2, a homoserine O-acetyl transferase (EC2.3.1.31) and the acetate is maintained at a concentration of at least about 0.001 g/L in the aqueous medium.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: September 21, 2021
    Assignee: Evonik Operations GmbH
    Inventors: Thomas Haas, Steffen Schaffer, Thomas Bülter, Simon Beck
  • Patent number: 11034938
    Abstract: There is provided a microbial cell expressing a mutant AlkB enzyme, the mutant AlkB enzyme comprising at least one point mutation in the wild type sequence of AlkB, wherein the point mutation is at amino acid position V129 and/or T136 of the wild type AlkB enzyme. There is also provided a method for producing omega-hydroxy carboxylic acid and/or ester thereof using this cell.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: June 15, 2021
    Assignee: EVONIK OPERATIONS GMBH
    Inventors: Arne Skerra, Ludwig Kirmair, Steffen Schaffer, Christoph Schorsch, Mirja Wessel, Thomas Haas
  • Patent number: 10913960
    Abstract: A microbial cell, which is genetically modified to increase the expression relative to the corresponding genetically unmodified cell of an AlkB alkane hydroxylase (Eb) having an amino acid sequence at least 95% identical with the amino acid sequence of SEQ ID NO: 1 and a wax-ester synthase (Ef) having an amino acid sequence at least 95% identical with the amino acid sequence of SEQ ID NO: 2. The cell does not have a genetic modification that increases formation of a carboxylic acid or a carboxylate ester from a simple carbon source.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: February 9, 2021
    Assignee: Evonik Operations GmbH
    Inventors: Steffen Schaffer, Thomas Haas, Wilhelm Bruegging, Ralf Meier
  • Publication number: 20200407761
    Abstract: The present invention relates to at least one cell for producing at least one lipid with general formula II from at least one carbon substrate, wherein R1 and R2 independently of one another comprises identical or different organic radicals each with 5 to 13 carbon atoms, wherein the cell is a non-pathogenic cell that is genetically modified to increase the heterologous expression relative to the wild type cell of: an enzyme (E2) capable of converting 3-hydroxyalkanoyl-3-hydroxyalkanoyl-CoA/ACP or 3-(3-hydroxyalkanoyloxy)alkanoic acid (HAA) and NDP-glucose into ?-D-glucopyranosyl-3-hydroxyalkanoyl-3-hydroxyalkanoate.
    Type: Application
    Filed: February 8, 2019
    Publication date: December 31, 2020
    Applicant: EVONIK OPERATIONS GMBH
    Inventors: Mirja WESSEL, Steffen SCHAFFER, Anne JEREMIAS, Martin SCHILLING, Hans Henning WENK