Patent · US Expired

Extraction of human interleukin-4- from bacteria

US4958007A · kind A · utility

8Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 17, 1988
Grant dateSep 18, 1990
Priority date
Expiry dateMay 17, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S530/825
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A method is provided for extracting human interleukin-4 (IL-4) from IL-4 expressing bacterial cells. The method comprises treating the bacterial cells with a deactivating agent, disrupting the cell membrane and recovering the IL-4.

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