Patent · US Expired

Process for sulphation and phosphorylation of proteins and peptides

US4705845A · kind A · utility

4Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 5, 1986
Grant dateNov 10, 1987
Priority date
Expiry dateSep 5, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07K1/1072
  • WIPO fieldBiotechnology
  • WIPO sectorChemistry

Abstract

A process for sulphation and phosphorylation of a protein or peptide comprising contacting said protein or peptide with sulphuric or phosphoric acid in the presence of a non-aqeuous apolar organic solvent and contacting the resultant solution with a dehydrating agent is disclosed. Non-aggregating insulin products with bioactivity may be prepared by this process.

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