Patents by Inventor Thomas Janzen

Thomas Janzen 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: 20260174090
    Abstract: A method for producing a fermented milk product (e.g. a yogurt) with a relatively high stable pH value at the end of the fermentation comprising inoculating milk with Streptococcus thermophilus (ST) Gal(+) bacteria.
    Type: Application
    Filed: February 23, 2026
    Publication date: June 25, 2026
    Applicant: Chr. Hansen A/S
    Inventors: Thomas JANZEN, Ditte Ellegaard CHRISTIANSEN
  • Patent number: 12653206
    Abstract: The present invention relates to a novel Streptococcus thermophilus strain having improved texturizing properties, compositions comprising said strain as well as fermented products manufactured using said strain.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: June 16, 2026
    Inventors: Thomas Janzen, Ditte Ellegaard Christiansen, Jesper Broend, Victoria Prebner
  • Patent number: 12582133
    Abstract: A method for producing a fermented milk product (e.g. a yogurt) with a relatively high stable pH value at the end of the fermentation comprising inoculating milk with Streptococcus thermophilus (ST) Gal(+) bacteria.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: March 24, 2026
    Assignee: Chr. Hansen A/S
    Inventors: Thomas Janzen, Ditte Ellegaard Christiansen
  • Publication number: 20260035659
    Abstract: The present invention relates to novel Lactococcus lactis bacteria showing temperature induced cell lysis in the absence of phage release. These bacteria can, for example, provide an improved flavour profile in cheese production. The present invention also relates to methods of selecting such Lactococcus lactis strains and their use for producing, ripening, eliminating the bitterness and/or increasing the amount of free amino acids in cheese. Methods for making food products and food products comprising such Lactococcus lactis strains are also described. Finally, the invention relates to methods for manufacturing the strains of the invention.
    Type: Application
    Filed: August 10, 2023
    Publication date: February 5, 2026
    Applicant: CHR. HANSEN A/S
    Inventors: Kirsten Kastberg MOELLER, Thomas JANZEN
  • Publication number: 20250290031
    Abstract: The present invention relates to a phage-resistant lactic acid bacterium, compositions comprising the bacterium, and fermented food products obtained with the bacterium or compositions comprising the bacterium.
    Type: Application
    Filed: May 15, 2023
    Publication date: September 18, 2025
    Applicant: CHR. HANSEN A/S
    Inventors: Thomas JANZEN, Ditte Ellegaard CHRISTIANSEN
  • Publication number: 20250101372
    Abstract: The invention provides Streptococcus thermophilus mutants, such as DSM22933, which have improved texturizing properties. The strains have: (i) a mutation in the branched chain amino acid transport ATP-binding protein LivG (TC 3.A.1.4.1) gene; (ii) a mutation in the ABC transporter permease protein gene; and/or (iii) a mutation in the peptide deformylase protein gene. The invention, furthermore, relates to compositions, such as a starter culture, comprising one or more of these mutants, to fermented products made using these mutants and to the use of the mutants and compositions of the invention.
    Type: Application
    Filed: January 25, 2023
    Publication date: March 27, 2025
    Applicant: Chr. Hansen A/S
    Inventors: Thomas JANZEN, Ditte Ellegaard CHRISTENSEN, Jesper BROEND, Jeorgos TRIHAAS, Stephanie SERRAULT
  • Publication number: 20250017227
    Abstract: The present invention relates to a process for producing a fermented milk product comprising the steps of 1) adding a starter culture of lactic acid bacteria comprising at least one lactose-deficient Streptococcus thermophilus strain, which is capable of metabolizing a non-lactose carbohydrate, and at least one lactose-deficient Lactococcus lactis strain, which is capable of metabolizing the non-lactose carbohydrate, to a milk base, and 2) fermenting the milk for a period of time until a target pH is reached to obtain a fermented milk product.
    Type: Application
    Filed: July 19, 2024
    Publication date: January 16, 2025
    Applicant: Chr. Hansen A/S
    Inventors: Virginie Bloc, Thomas Janzen, Mimi Birkelund, Luciana Jimenez, Jean-Marie Odinot, Sabrina Pirois-Blin, Helle Skov Guldager
  • Publication number: 20240251813
    Abstract: The present invention relates to a method for producing a fermented milk product (e.g. a pasta filata cheese) with a relatively stable pH value at the end of the fermentation comprising use of lactase in a first step (a) and lactic acid bacteria (LAB) in a further step, characterized by that the LAB are lactose-deficient (Lac(?)) and capable of metabolizing glucose (Glu(+)). The invention further relates to a Streptococcus thermophilus cell CHCC26980 deposited with registration number DSM32600 and a method to obtain a mutant of this strain.
    Type: Application
    Filed: June 10, 2022
    Publication date: August 1, 2024
    Applicant: Chr. Hansen A/S
    Inventors: Michael Mitsuo Saito, Véronique Jactat, Thomas Janzen, Mikkel Hviid Danielsen Hornnes
  • Patent number: 12035726
    Abstract: A method for producing a cheese with reduced amount of galactose comprising inoculating milk with Streptococcus thermophilus Gal(+) bacteria and Lactobacillus Gal(+) Lac(?) bacteria.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: July 16, 2024
    Assignee: Chr. Hansen A/S
    Inventors: Thomas Janzen, Ditte Ellegaard Christiansen, Veronique Jactat, Kasper Rosenkvist, Charlotte Elisabeth Grüner Schöller
  • Publication number: 20240166989
    Abstract: The present invention relates to a novel Streptococcus thermophilus strain having improved texturizing properties, compositions comprising said strain as well as fermented products manufactured using said strain.
    Type: Application
    Filed: January 6, 2022
    Publication date: May 23, 2024
    Applicant: Chr. Hansen A/S
    Inventors: Thomas Janzen, Ditte Christiansen, Jesper Broend, Victoria Prebner, Ilenia Manuguerra, Geoffrey Ras
  • Publication number: 20240008502
    Abstract: The present invention relates to a novel Streptococcus thermophilus strain having improved texturizing properties, compositions comprising said strain as well as fermented products manufactured using said strain.
    Type: Application
    Filed: November 16, 2021
    Publication date: January 11, 2024
    Applicant: Chr. Hansen A/S
    Inventors: Thomas Janzen, Ditte Ellegaard Christiansen, Jesper Broend, Victoria Prebner
  • Patent number: 11758914
    Abstract: The present invention is directed to a method of producing a Streptococcus thermophilus strain comprising the steps of a) Providing a mother strain in the form of Streptococcus thermophilus DSM32502, b) Growing a culture of the mother strain in the presence of a bacteriophage, to which the mother strain is not resistant, to obtain a number of mutant strains, which are resistant to the said bacteriophage, c) Measuring the acidification time of the bacteriophage-resistant mutant strains and the mother strain in a milk base and selecting at least one mutant strain with a reduced acidification time as compared to the mother strain to obtain a fast-acidifying mutant strain.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: September 19, 2023
    Assignee: Chr. Hansen A/S
    Inventors: Jeorgos Trihaas, Thomas Janzen, Patrick Derkx
  • Publication number: 20230227507
    Abstract: The present invention provides a method of increasing nisin production in nisin-producing Lactococcus lactis by inactivating the phage infection protein Pip. The invention also provides nisin-producing Lactococcus lactis in which the phage infection protein is inactivated. The nisin-producing Lactococcus lactis can be used in starter culture for manufacturing food products or other industrial applications.
    Type: Application
    Filed: June 10, 2021
    Publication date: July 20, 2023
    Applicant: Chr. Hansen A/S
    Inventors: Thomas Janzen, Ditte Ellegaard Christiansen, Mia Vissing Mikkelsen, Thomas Eckhardt
  • Patent number: 11690384
    Abstract: Deposited Streptococcus thermophilus (ST) strains that e.g. are suitable to be used in an improved method for the manufacture of low browning mozzarella cheese.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: July 4, 2023
    Assignee: Chr. Hansen A/S
    Inventors: Thomas Janzen, Ditte Ellegaard Christiansen
  • Patent number: 11684073
    Abstract: A method for producing a lactic acid bacteria fermented milk product comprising fermenting milk with both inoculated lactic acid bacteria (LAB) and inoculated Bacillus bacteria.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: June 27, 2023
    Assignee: Chr. Hansen A/S
    Inventors: Karin Bjerre, Mette Dines Cantor, Thomas Janzen, Patrick Derkx
  • Publication number: 20230118835
    Abstract: The present invention is directed to a method of producing a Streptococcus thermophilus strain comprising the steps of a) Providing a mother strain in the form of Streptococcus thermophilus DSM32502, b) Growing a culture of the mother strain in the presence of a bacteriophage, to which the mother strain is not resistant, to obtain a number of mutant strains, which are resistant to the said bacteriophage, c) Measuring the acidification time of the bacteriophage-resistant mutant strains and the mother strain in a milk base and selecting at least one mutant strain with a reduced acidification time as compared to the mother strain to obtain a fast-acidifying mutant strain.
    Type: Application
    Filed: December 22, 2022
    Publication date: April 20, 2023
    Applicant: Chr. Hansen A/S
    Inventors: Jeorgos Trihaas, Thomas Janzen, Patrick Derkx
  • Patent number: 11606965
    Abstract: Process for producing an ambient storage food product comprising providing a food product with a pH of between 3.4 and 4.4, subjecting the food product to a heat treatment to obtain a heat treated food product, adding aseptically to the heat treated food product one or more of ambient storage lactic acid bacteria strains to obtain an ambient storage food product, and storing the ambient storage food product at ambient temperature for a period of time, wherein the ambient storage lactic acid bacteria strain is selected from the group consisting of strains, (i) wherein the strain is capable of retaining viability at the end of 150 days at a temperature of 25#C, and (ii) wherein the pH at most decreases 0.8 units during the storage period, and (iii) wherein the strain is selected from the group consisting of Lactobacillus paracasei, Lactobacillus rhamnosus, Lactobacillus fermentum and Lactobacillus delbrueckii subsp. bulgaricus, and mutants and variants thereof.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: March 21, 2023
    Assignee: Chr. Hansen A/S
    Inventors: Christian Gilleladen, Jeorgos Trihaas, Thomas Janzen, Mette Oehrstroem Runge
  • Patent number: 11564399
    Abstract: The present invention is directed to a method of producing a Streptococcus thermophilus strain comprising the steps of a) Providing a mother strain in the form of Streptococcus thermophilus DSM32502, b) Growing a culture of the mother strain in the presence of a bacteriophage, to which the mother strain is not resistant, to obtain a number of mutant strains, which are resistant to the said bacteriophage, c) Measuring the acidification time of the bacteriophage-resistant mutant strains and the mother strain in a milk base and selecting at least one mutant strain with a reduced acidification time as compared to the mother strain to obtain a fast-acidifying mutant strain.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: January 31, 2023
    Assignee: Chr. Hansen A/S
    Inventors: Jeorgos Trihaas, Thomas Janzen, Patrick Derkx
  • Publication number: 20220312785
    Abstract: A method for producing a fermented milk product (e.g. a yogurt) with a relatively high stable pH value at the end of the fermentation comprising inoculating milk with Streptococcus thermophilus (ST) Gal(+) bacteria.
    Type: Application
    Filed: June 19, 2020
    Publication date: October 6, 2022
    Applicant: Chr. Hansen A/S
    Inventors: Thomas JANZEN, Ditte Ellegaard CHRISTIANSEN
  • Patent number: 11345883
    Abstract: The present invention relates to a novel Lactobacillus strain that is not attacked by common phages and a novel Lactobacillus strain with improved cell count stability, its use in the manufacture of fermented milk-based products, and novel milk based products containing the strain.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: May 31, 2022
    Assignee: CHR. HANSEN A/S
    Inventors: Thomas Janzen, Sonja Bloch