Patent · US Expired

Producing sequential polyamino acid resin

US4594409A · kind A · utility

26Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 30, 1984
Grant dateJun 10, 1986
Priority date
Expiry dateAug 30, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G69/10
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A sequential polyamino acid resin having a remarkably high molecular weight and special amino acid sequence as repeating unit in the resin can be produced by conducting polycondensation of a peptide active ester acid salt in an aprotic polar solvent in the presence of a tertiary amine and phosphorus pentoxide.

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