Patent · US Expired

Purified interleukin 2

US4925919A · kind A · utility

21Cited by
23References
22Claims
0Family size

Inventors

Key dates

Filing dateJun 10, 1988
Grant dateMay 15, 1990
Priority date
Expiry dateJun 10, 2008

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K38/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Interleukin 2 (IL 2; T-cell growth factor), produced with and without costimulation by Burkitt's lymphoma line Daudi, is highly purified approximately over 37,000-fold to apparent homogeneity from lymphocyte-conditioned medium derived from normal human blood cells by (NH.sub.4).sub.2 SO.sub.4 -precipitation, ion-exchange chromatogr This invention was made with support in part under Grants CA 08748, CA 22507, CA 25608, CA 20194, CA 21525, CA31525, P01-CA-20194, AI 18 321-01, CA 23766 and CA 33050 awarded by the National Cancer Institute, National Institute of Health, DHEW. The government has certain rights in this invention.

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