Patent · US Expired

Controlled high temperature polymerization of butadiene

US3970607A · kind A · utility

3Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 29, 1974
Grant dateJul 20, 1976
Priority date
Expiry dateJul 29, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F36/06
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Inclusion of 200 - 3000 parts per million of a 1,2-diene in bulk polymerization or copolymerization of 1,3-butadiene with lithium-based catalysts enables the reaction to be carried out in large-size equipment without loss of temperature control.

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