Patent · US Expired

Large scale productions of virus antigen

US7524676B2 · kind B2 · utility

22Cited by
10References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 17, 2005
Grant dateApr 28, 2009
Priority date
Expiry dateDec 15, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A50/30
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention provides improved methods of production of viral antigen on a culture of adherent cells bound to a microcarrier, wherein the methods provide for increased viral antigen yield per culture medium volume. The invention is also directed to a cell culture biomass of adherent cells having increased cell density and microcarrier concentration compared to the respective confluent cell culture.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.