Patent · US Expired

Method for the production of poly(3-hydroxyalkanoates) in the presence of a nucleophile

US7019107B2 · kind B2 · utility

0Cited by
2References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 2003
Grant dateMar 28, 2006
Priority date
Expiry dateFeb 26, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G63/08
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to a catalytical process for preparing poly(3-hydroxyalkanoates) by copolymerizing an oxirane compound with carbon monoxide in the presence of which comprises carrying out the copolymerization in the presence of at least one nucleophile other than hydroxy-substituted pyridine compounds.

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