Patents by Inventor Stephan Dörries

Stephan Dörries 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: 20240076576
    Abstract: A composition for cleaning membranes used in food processing comprising an amine oxide and an alkyl sulfate, the composition maintaining good cleaning performance whilst leaving a low residue of surfactant on the membrane that is cleaned using the composition. A method of use of the composition is also presented.
    Type: Application
    Filed: November 9, 2023
    Publication date: March 7, 2024
    Inventors: Stephan Dörries, Matthias Schmitz, Ralf Krack, Michael Schmidt
  • Patent number: 11851633
    Abstract: A composition for cleaning membranes used in food processing comprising an amine oxide and an alkyl sulfate, the composition maintaining good cleaning performance whilst leaving a low residue of surfactant on the membrane that is cleaned using the composition. A method of use of the composition is also presented.
    Type: Grant
    Filed: October 8, 2021
    Date of Patent: December 26, 2023
    Assignee: ECOLAB USA INC.
    Inventors: Stephan Dörries, Matthias Schmitz, Ralf Krack, Michael Schmidt
  • Publication number: 20220025296
    Abstract: A composition for cleaning membranes used in food processing comprising an amine oxide and an alkyl sulfate, the composition maintaining good cleaning performance whilst leaving a low residue of surfactant on the membrane that is cleaned using the composition. A method of use of the composition is also presented.
    Type: Application
    Filed: October 8, 2021
    Publication date: January 27, 2022
    Inventors: Stephan Dörries, Matthias Schmitz, Ralf Krack, Michael Schmidt
  • Patent number: 11168285
    Abstract: A composition for cleaning membranes used in food processing comprising an amine oxide and an alkyl sulfate, the composition maintaining good cleaning performance whilst leaving a low residue of surfactant on the membrane that is cleaned using the composition. A method of use of the composition is also presented.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: November 9, 2021
    Assignee: Ecolab USA Inc.
    Inventors: Stephan Dörries, Matthias Schmitz, Ralf Krack, Michael Schmidt
  • Publication number: 20200308506
    Abstract: A composition for cleaning membranes used in food processing comprising an amine oxide and an alkyl sulfate, the composition maintaining good cleaning performance whilst leaving a low residue of surfactant on the membrane that is cleaned using the composition. A method of use of the composition is also presented.
    Type: Application
    Filed: March 13, 2018
    Publication date: October 1, 2020
    Inventors: Stephan Dörries, Matthias Schmitz, Ralf Krack, Michael Schmidt