Methods of preparing feeder cells-free, xeno-free human embryonic stem cells and cell cultures prepared using same
US7592175B2 · kind B2 · utility
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Key dates
| Filing date | Dec 7, 2003 |
| Grant date | Sep 22, 2009 |
| Priority date | — |
| Expiry date | Oct 2, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N2533/52
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
The present invention is of methods of establishing and propagating human embryonic stem cell lines using feeder cells-free, xeno-free culture systems and stem cells which are capable of being maintained in an undifferentiated, pluripotent and proliferative state in culture which is free of xeno contaminants and feeder cells.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.