Patent · US Expired

Impact resistant blend of polybutylene terephthalate resin and OSA graft copolymer

US4485212A · kind A · utility

14Cited by
6References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 27, 1983
Grant dateNov 27, 1984
Priority date
Expiry dateMay 27, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L67/02
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Blend of polybutylene terephthalate resin and a graft copolymer of styrene and acrylonitrile on olefin copolymer rubber (e.g., EPDM) has high impact strength, provided the blend contains at least 25% of the graft.

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