Patent · US Expired

Orthoesters as coupling agents for producing novel polymers

US4238576A · kind A · utility

5Cited by
9References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 22, 1979
Grant dateDec 9, 1980
Priority date
Expiry dateJan 22, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F8/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Orthoesters are used to couple living homopolymers of monovinylarenes, and living copolymers of monovinylarenes and conjugated dienes. Novel coupled polymers are thereby produced.

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