Inhibitor composition for stabilizing substances capable of free radical polymerization

US6458956B1 · kind B1 · utility

Assignee

• BAF Aktiengesellschaft · DE

Inventors

• Heinz Friedrich Sutoris · Bischofswerda, DE
• Gerhard Wagenblast · Wachenheim, DE
• Volker Schliephake · Schifferstadt, DE
• Jürgen Schröder · Ludwigshafen, DE
• Harald Keller · Ludwigshafen, DE
• Thomas Jaworek · Kallstadt, DE

Key dates

• Filing date: Aug 7, 2000
• Grant date: Oct 1, 2002
• Expiry date: Aug 7, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K15/30
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

An inhibitor mixture containing, as components, a) at least one nitroxyl radical (derivative), b) at least one phenol (derivative) and c) at least one chemical compound which contains at least one phosphorus atom which has the oxidation state +3 is preferably used for stabilizing compounds capable of free radical polymerization.