Patent · US Expired

Process for the preparation of 4-hydroxystyrene polymers from 4-acetoxystyrene polymers

US5264528A · kind A · utility

7Cited by
3References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 17, 1992
Grant dateNov 23, 1993
Priority date—
Expiry dateNov 17, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F2810/50
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Copolymers of 4-hydroxystyrene are produced by hydrolyzing copolymers of 4-acetoxystyrene with hydroxylamine.

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