Patent · US Expired

High impact polyamides

US4820771A · kind A · utility

12Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 25, 1986
Grant dateApr 11, 1989
Priority date
Expiry dateApr 25, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L77/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Thermoplastically polyamide moulding compositions produced from at least 70% by weight of polyamide, a long-chain polyester, polyether or hydrocarbon polyol and at most 5% by weight of a polyanhydride or polyepoxide.

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