Patents by Inventor Robert ZITTERBART

Robert ZITTERBART 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).

  • Patent number: 12624064
    Abstract: The present invention relates to a method for the purification of peptides which are produced by solid phase peptide synthesis (SPPS) and corresponding linker molecules for use in said method. Optionally, the peptide may be modified while bound via said linker molecule on a purification support.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: May 12, 2026
    Assignee: Gyros Protein Technologies AB
    Inventors: Robert Zitterbart, Oliver Seitz
  • Patent number: 12473328
    Abstract: The present invention relates to a method for modifying and purifying peptides comprising an immobilizing step, a modification step and a releasing step. In the immobilizing step, a crude linker-tagged peptide L-P is coupled to a solid support yielding an immobilized linker-tagged peptide S-L-P. Subsequently, the immobilized linker-tagged peptide S-L-P is modified with one or more organic molecules yielding an immobilized linker-tagged peptide S-L-mP. Finally, the modified peptide is released via a reduced intermediate RI. The linker molecule is a compound of formula 1, X—Tb—Va-U—Y—Z (1), which can be coupled to a purification resin via the moiety X and to a peptide via the moiety Y under the release of the leaving group Z. T is an optional spacer moiety and V is an optional electron withdrawing moiety. U is an aryl or 5- or 6-membered heteroaryl moiety bound to at least one electron withdrawing moiety V, W or E.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: November 18, 2025
    Assignee: BELYNTIC GMBH
    Inventors: Robert Zitterbart, Oliver Reimann
  • Patent number: 12391727
    Abstract: The present invention relates to linker molecules of formula (1), X-Tb-Va—U—Y—Z (1) and a method for purifying peptides using said linker molecules. The linker molecule can be coupled to a purification resin via the moiety X and to a peptide via the moiety Y under the release of the leaving group Z. T is an optional spacer moiety and V is an optional electron withdrawing moiety. U is an aryl or 5- or 6-membered heteroaryl moiety bound to at least one electron withdrawing moiety V, W or E. The linker is stable under acidic conditions and releases the peptide upon addition of a reducing agent.
    Type: Grant
    Filed: May 23, 2023
    Date of Patent: August 19, 2025
    Assignee: GYROS PROTEIN TECHNOLOGIES AB
    Inventors: Robert Zitterbart, Oliver Reimann
  • Patent number: 12269845
    Abstract: The present invention relates to linker molecules of formula (1), X-Tb-Va—U—Y—Z (1) and a method for purifying peptides using said linker molecules. The linker molecule can be coupled to a purification resin via the moiety X and to a peptide via the moiety Y under the release of the leaving group Z. T is an optional spacer moiety and V is an optional electron withdrawing moiety. U is an aryl or 5- or 6-membered heteroaryl moiety bound to at least one electron withdrawing moiety V, W or E. The linker is stable under acidic conditions and releases the peptide upon addition of a reducing agent.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: April 8, 2025
    Assignee: GYROS PROTEIN TECHNOLOGIES AB
    Inventors: Robert Zitterbart, Oliver Reimann
  • Publication number: 20240116981
    Abstract: The present invention relates to linker molecules of formula (1), X-Tb-Va-U-Y-Z (1) and a method for purifying peptides using said linker molecules. The linker molecule can be coupled to a purification resin via the moiety X and to a peptide via the moiety Y under the release of the leaving group Z. T is an optional spacer moiety and V is an optional electron withdrawing moiety. U is an aryl or 5- or 6-membered heteroaryl moiety bound to at least one electron withdrawing moiety V, W or E. The linker is stable under acidic conditions and releases the peptide upon addition of a reducing agent.
    Type: Application
    Filed: May 23, 2023
    Publication date: April 11, 2024
    Applicant: BELYNTIC GMBH
    Inventors: Robert ZITTERBART, Oliver REIMANN
  • Publication number: 20220363713
    Abstract: The present invention relates to a method for modifying and purifying peptides comprising an immobilizing step, a modification step and a releasing step. In the immobilizing step, a crude linker-tagged peptide L-P is coupled to a solid support yielding an immobilized linker-tagged peptide S-L-P. Subsequently, the immobilized linker-tagged peptide S-L-P is modified with one or more organic molecules yielding an immobilized linker-tagged peptide S-L-mP. Finally, the modified peptide is released via a reduced intermediate RI. The linker molecule is a compound of formula 1, X—Tb—Va-U—Y—Z (1), which can be coupled to a purification resin via the moiety X and to a peptide via the moiety Y under the release of the leaving group Z. T is an optional spacer moiety and V is an optional electron withdrawing moiety. U is an aryl or 5- or 6-membered heteroaryl moiety bound to at least one electron withdrawing moiety V, W or E.
    Type: Application
    Filed: August 7, 2020
    Publication date: November 17, 2022
    Applicant: BELYNTIC GMBH
    Inventors: Robert ZITTERBART, Oliver REIMANN
  • Publication number: 20210332082
    Abstract: The present invention relates to linker molecules of formula (1), X-Tb-Va—U—Y—Z (1) and a method for purifying peptides using said linker molecules. The linker molecule can be coupled to a purification resin via the moiety X and to a peptide via the moiety Y under the release of the leaving group Z. T is an optional spacer moiety and V is an optional electron withdrawing moiety. U is an aryl or 5- or 6-membered heteroaryl moiety bound to at least one electron withdrawing moiety V, W or E. The linker is stable under acidic conditions and releases the peptide upon addition of a reducing agent.
    Type: Application
    Filed: August 27, 2019
    Publication date: October 28, 2021
    Applicant: BELYNTIC GMBH
    Inventors: Robert ZITTERBART, Oliver REIMANN
  • Publication number: 20210206799
    Abstract: The present invention relates to a method for the purification of peptides which are produced by solid phase peptide synthesis (SPPS) and corresponding linker molecules for use in said method. Optionally, the peptide may be modified while bound via said linker molecule on a purification support.
    Type: Application
    Filed: March 22, 2021
    Publication date: July 8, 2021
    Applicant: BELYNTIC GMBH
    Inventors: Robert ZITTERBART, Oliver SEITZ
  • Patent number: 10954266
    Abstract: The present invention relates to a method for the purification of peptides which are produced by solid phase peptide synthesis (SPPS) and corresponding linker molecules for use in said method.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: March 23, 2021
    Assignee: BELYNTIC GMBH
    Inventors: Robert Zitterbart, Oliver Seitz
  • Publication number: 20190309013
    Abstract: The present invention relates to a method for the purification of peptides which are produced by solid phase peptide synthesis (SPPS) and corresponding linker molecules for use in said method.
    Type: Application
    Filed: January 30, 2017
    Publication date: October 10, 2019
    Applicant: BELYNTIC GMBH
    Inventors: Robert ZITTERBART, Oliver SEITZ