Patent · US Expired

Process for preparing brominated polystyrene

US5532322A · kind A · utility

33Cited by
4References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 1995
Grant dateJul 2, 1996
Priority date
Expiry dateSep 26, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F8/20
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Disclosed is a process for preparing a brominated polystyrene, which comprises reacting a polystyrene dissolved or dispersed in a halogenated hydrocarbon type solvent, with a brominating agent in the presence of an antimony oxide catalyst.

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