Patent · US Expired

Flameproofed polyester molding composition

US5780534A · kind A · utility

97Cited by

9References

9Claims

0Family size

Assignee

Ticona LLC · US

Inventors

Hans-Jerg Kleiner · Kronberg, DE
Winfried Budzinsky · Bad Soden, DE
Gunther Kirsch · Bad Soden, DE

Key dates

Filing date	Jan 8, 1997
Grant date	Jul 14, 1998
Priority date	—
Expiry date	Jan 8, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/5313
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Polyesters such as polyethylene terephthalate or polybutylene terephthalate are provided with a flame-retardant finish by addition of calcium salts or aluminum salts of phosphinic or diphosphinic acids.

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