Patent · US Expired

High yield production of active Factor IX

US4770999A · kind A · utility

44Cited by
0References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 5, 1986
Grant dateSep 13, 1988
Priority date
Expiry dateMay 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.