Patent · US Expired

Flame-retardant polyester molding compositions containing flame retardant nitrogen compounds and diphosphinates

US6503969B1 · kind B1 · utility

25Cited by

10References

9Claims

0Family size

Assignee

BASF SE

Inventors

Martin Klatt · Bad Dürkheim, DE
Bernd Leutner · Bischofswerda, DE
Michael Nam · San Jose, US
Herbert Fisch · Monsheim, DE

Key dates

Filing date	Nov 2, 2000
Grant date	Jan 7, 2003
Priority date	—
Expiry date	Nov 2, 2020

Classification

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

Abstract

Thermoplastic molding compositions compriseA) from 5 to 96% by weight of a polyester,B) from 1 to 30% by weight of a nitrogen compound, excluding melamine cyanurate,C) from 0.1 to 30% by weight of a phosphinate of formula I or of a diphosphinate of formula II or of polymers of these or mixtures of these  as defined in the specificationD) from 0 to 5% by weight of at least one ester or amide of saturated or unsaturated aliphatic carboxylic acids having from 10 to 40 carbon atoms with saturated aliphatic alcohols or amines having from 2 to 40 carbon atoms, andE) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to E) is 100%.

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