Patent · US Expired

Method of preparing block polymers

US4097557A · kind A · utility

6Cited by
4References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 6, 1973
Grant dateJun 27, 1978
Priority date
Expiry dateAug 6, 1993

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F297/04
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

There is disclosed an improved method of preparing ABC block polymers, wherein A is .alpha.-methylstyrene, B is a conjugated diene, and C is styrene or a substituted styrene.

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