Patent · US Expired

Copolymer-1 improvements in compositions of copolymers

US6054430A · kind A · utility

80Cited by
0References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 1998
Grant dateApr 25, 2000
Priority date
Expiry dateFeb 27, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G69/10
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention relates to an improved composition of copolymer-1 comprising copolymer-1 substantially free of species having a molecular weight of over 40 kilodaltons.

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