Patent · US Expired

Purification of biological preparations

US6310186A · kind A · utility

4Cited by
2References
13Claims
0Family size

Inventors

Key dates

Filing dateApr 3, 2000
Grant dateOct 30, 2001
Priority date
Expiry dateApr 3, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07K1/20
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

This invention relates to the purification of biological preparations such as proteins and nucleic acids, especially for example proteins that have been produced by recombinant DNA techniques in bacteria. In a particular embodiment, the invention concerns improved methods for reducing the content of contaminants in biological preparations, e.g. recombinant proteins produced in host bacteria.

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