High yield production of active Factor IX
US4770999A · kind A · utility
44Cited by
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6Claims
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Key dates
| Filing date | May 5, 1986 |
| Grant date | Sep 13, 1988 |
| Priority date | — |
| Expiry date | May 5, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12Y304/21022
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
High yields of active Factor IX are produced by culturing a CHO cell line transfected with chromosomally-integrated Factor IX cDNA in medium to which vitamin K is added.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.