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US 2025/0128237 A1Published application
Separation media and purification methods for metals, chiral molecules, or both
AssigneeDonaldson Company, Inc.
InventorGraham Temples
Life of this patent
Estimating the term…
Abstract
Separation media and separation devices containing the same are disclosed. Separation media includes a support substrate and a plurality of separation ligands. The separation ligands include an affinity group capable of binding a metal, capable of binding an enantiomer of a chiral molecule, or both. Methods of using the separation media are also disclosed.
Claims20
A separation media comprising:
- a support substrate;
- and
- a plurality of separation ligands for formula SL1 or SL2
- wherein:
- Z is a separation group comprising an affinity group capable of binding a metal, capable of binding an enantiomer of a chiral molecule, or both;
- and
- Rp1, Rp3, and Rp4 each independently comprise the reaction product of any one of RpA, RpB, RpC, RpD, RpE, RpF, RpG, RpH, RpI, RpJ, RpK, RpL, RpM, or an isomer thereof, wherein RpA, RpB, RpC, RpD, RpE, RpF, RpG, RpH, RpI, RpJ, and RpK are represented by:
- wherein:
- U0, U1, U2, U3, U4, U5, U6, U7, U8 and U9 are each independently NH, O, or S;
- R is an organic group, H, or halogen;
- and
- Sp is a spacer comprising a divalent organic group.
9 more elements
A separation media comprising:
- a support substrate;
- and
- a plurality of separation ligands for formula SL1 or SL2
- wherein:
- Z is a separation group comprising an affinity group capable of binding a metal, capable of binding an enantiomer of a chiral molecule, or both;
- the affinity group comprising a chiral biological molecule, a chiral polymer, a helical polymer, a macrocyclic antibiotic, or any combination thereof;
- and
- Rp1, Rp3, and Rp4 each independently comprise the reaction product of any one of RpA, RpB, RpC, RpD, RpE, RpF, RpG, RpH, RpI, RpJ, RpK, RpL, RpM, or an isomer thereof,
- wherein RpA, RpB, RpC, RpD, RpE, RpF, RpG, RpH, RpI, RpJ, and RpK are represented by:
- wherein:
- U0, U1, U2, U3, U4, U5, U6, U7, U8 and U9 are each independently NH, O, or S;
- R is an organic group, H, or halogen;
- and
- Sp is a spacer comprising a divalent organic group.
11 more elements
A separation media comprising:
- a support substrate;
- and
- a plurality of separation ligands for formula SL1 or SL2
- wherein:
- Z is a separation group comprising an affinity group capable of binding a metal, capable of binding an enantiomer of a chiral molecule, or both;
- the affinity group comprising a crown ether, the separation media not comprising an amine or the separation not comprising a silicon atom;
- and
- Rp1, Rp3, and Rp4 each independently comprise the reaction product of any one of RpA, RpB, RpC, RpD, RpE, RpF, RpG, RpH, RpI, RpJ, RpK, RpL, RpM, or an isomer thereof,
- wherein RpA, RpB, RpC, RpD, RpE, RpF, RpG, RpH, RpI, RpJ, and RpK are represented by:
- wherein:
- U0, U1, U2, U3, U4, U5, U6, U7, U8 and U9 are each independently NH, O, or S;
- R is an organic group, H, or halogen;
- and
- Sp is a spacer comprising a divalent organic group.
11 more elements
Dependencies are inferred from the claim text.