Patents Assigned to Puraffinity Ltd.
  • Modified polyamines grafted to a particulate, solid support as sorbent materials for removal of target substances from fluids
    Patent number: 12364969
    Abstract: Provided are compositions for removal of a target substance from a fluid stream, the composition comprising a polyamine; and a covalently linked hydrophobic group, wherein the polyamine is covalently linked to a support material. Also provided are processes for removal of a target substance from a fluid stream comprising contacting the fluid stream with a composition comprising a polyamine; and a covalently linked hydrophobic group, wherein the polyamine is covalently linked to a support material.
    Type: Grant
    Filed: December 11, 2023
    Date of Patent: July 22, 2025
    Assignee: Puraffinity Ltd.
    Inventors: Benjamin David Reeve, Wen Li, Katharina Reeh, Amanda Yi Fen You, Henrik Hagemann
  • Modified polyamines grafted to a particulate, solid support as sorbent materials for removal of target substances from fluids
    Patent number: 12005423
    Abstract: Provided are compositions for removal of a target substance from a fluid stream, the composition comprising a polyamine; and a covalently linked hydrophobic group, wherein the polyamine is covalently linked to a support material. Also provided are processes for removal of a target substance from a fluid stream comprising contacting the fluid stream with a composition comprising a polyamine; and a covalently linked hydrophobic group, wherein the polyamine is covalently linked to a support material.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: June 11, 2024
    Assignee: Puraffinity Ltd.
    Inventors: Benjamin David Reeve, Wen Li, Katharina Reeh, Amanda Yi Fen You, Henrik Hagemann
  • MODIFIED POLYAMINES GRAFTED TO A PARTICULATE, SOLID SUPPORT AS SORBENT MATERIALS FOR REMOVAL OF TARGET SUBSTANCES FROM FLUIDS
    Publication number: 20240181429
    Abstract: Provided are compositions for removal of a target substance from a fluid stream, the composition comprising a polyamine; and a covalently linked hydrophobic group, wherein the polyamine is covalently linked to a support material. Also provided are processes for removal of a target substance from a fluid stream comprising contacting the fluid stream with a composition comprising a polyamine; and a covalently linked hydrophobic group, wherein the polyamine is covalently linked to a support material.
    Type: Application
    Filed: December 11, 2023
    Publication date: June 6, 2024
    Applicant: Puraffinity Ltd.
    Inventors: Benjamin David REEVE, Wen LI, Katharina REEH, Amanda Yi Fen YOU, Henrik HAGEMANN
  • MODIFIED POLYAMINES GRAFTED TO A PARTICULATE, SOLID SUPPORT AS SORBENT MATERIALS FOR REMOVAL OF TARGET SUBSTANCES FROM FLUIDS
    Publication number: 20210008522
    Abstract: Provided are compositions for removal of a target substance from a fluid stream, the composition comprising a polyamine; and a covalently linked hydrophobic group, wherein the polyamine is covalently linked to a support material. Also provided are processes for removal of a target substance from a fluid stream comprising contacting the fluid stream with a composition comprising a polyamine; and a covalently linked hydrophobic group, wherein the polyamine is covalently linked to a support material.
    Type: Application
    Filed: March 28, 2019
    Publication date: January 14, 2021
    Applicant: Puraffinity Ltd.
    Inventors: Benjamin David REEVE, Wen LI, Katharina REEH, Amanda Yi Fen YOU, Henrik HAGEMANN