Hemocompatibility modifiers for cross-linked polymeric material
US11020521B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Apr 17, 2020 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Apr 17, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/62
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention concerns methods of removing undesirable molecules from the blood or physiologic fluid; said method comprising contacting said blood or physiologic fluid with a sorbent, said sorbent comprising a plurality of solid forms and comprising a cross-linked polymeric material having a plurality of ligands attached to the surface of said cross-linked polymeric material, comprising (i) zwitterionic moieties, (ii) oligo(ethylene glycol) moieties or (iii) mixtures thereof; said contacting comprising said sorbent sorbing a plurality of said undesirable molecules when said sorbent is administered within a patient's body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.