Flameproof polyamide moulding compositions

US4244858A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Peter Tacke · Krefeld, DE
• Dieter Neuray · Krefeld, DE
• Dietrich Michael · Leverkusen, DE

Key dates

• Filing date: Mar 7, 1979
• Grant date: Jan 13, 1981
• Expiry date: Mar 7, 1999

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L77/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Self-extinguishing, flameproved, reinforced and/or filled polyamide moulding compositions containing as flameproofing agents a combination of a phenol-aldehyde resin and an alkali metal - or ammonium - polyphosphate.