Hemocompatibility modifiers for cross-linked polymeric material
US11752250B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2014 |
| Grant date | Sep 12, 2023 |
| Priority date | — |
| Expiry date | Aug 30, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2220/62
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention concerns methods of treating blood, blood product, or physiologic fluid to provide at least one of (i) increasing shelf life of the blood, blood product or physiologic fluid, (ii) maintaining freshness of new blood, blood product or physiologic fluid, and (iii) removing undesirable molecules from the blood, blood product or physiologic fluid; said method comprising contacting said blood, blood product or physiologic fluid with a sorbent, said sorbent being primarily in a plurality of solid forms and comprising a cross-linked polymeric material having a plurality of at least one of (1) zwitterionic moieties and (2) oligo(ethylene glycol) moieties attached to the surface of said cross-linked polymeric material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.