Flameproofed polyester molding compositions

US6013707A · kind A · utility

Assignee

• Ticona LLC · US

Inventors

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

Key dates

• Filing date: Jun 9, 1998
• Grant date: Jan 11, 2000
• Expiry date: Jun 9, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/5313
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

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.