Process for recovering viral products using functionalised chromatography media
US11103853B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 14, 2017 |
| Grant date | Aug 31, 2021 |
| Priority date | — |
| Expiry date | Jul 14, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N2799/025
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a process for recovering a viral product from a composition comprising said product and product-related impurities, which process comprises contacting the composition with a functionalised chromatography medium comprising one or more polymer nanofibres, wherein the viral product comprises a plurality of viruses, virus particles/virions, viral cores, membrane-stripped viruses, viral cores with outer membrane(s) removed and/or capsids removed, or proviruses, each of which contains one or more polynucleotides, and wherein the product-related impurities comprise a plurality of viruses, virus particles/virions, virus-like particles, viral cores, membrane-stripped viruses, viral cores with outer membrane(s) removed and/or capsids removed or proviruses, each of which is substantially devoid of polynucleotides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.