Patent · US Expired

CO2 terminated rubber for plastics

US7105613B2 · kind B2 · utility

1Cited by
32References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 4, 2005
Grant dateSep 12, 2006
Priority date
Expiry dateFeb 4, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08C19/44
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A process for the manufacture of a baleable lithium carboxylate polymer. The process includes polymerizing at least one conjudated diene in the presence of an organolithium initiator to a substantial completion. Thereafter, the polymerization process is terminated by the addition of carbon dioxide.

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