Patent · US Expired

Thermoplastic polyamide composition

US4105621A · kind A · utility

3Cited by
6References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 28, 1977
Grant dateAug 8, 1978
Priority date
Expiry dateJan 28, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/06
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polyamide composition comprising 30 to 74.95% of a normally flammable polyamide, from 15 to 55% of a reinforcing agent, preferably glass fibre, from 5 to 30% of a halogenated flame retardant together with a synergist for the flame retardant consisting of a mixture of 5 to 30% zinc borate and from 0.05 to 1.5% of an oxide selected from antimony, zinc, lead, ferrous, ferric, stannous, stannic and cadmium oxides or mixtures thereof, all percentages being by weight of the total weight of the composition.

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