Initial compounds for producing polyurethanes

US7705106B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Peter Groer · Babenhausen, DE
• Regina Hendreich · Ortrand, DE
• Paul Ch. Kierkus · Gibraltar, US
• Thomas Ostrowski · Mannheim, DE
• Eckhard Stroefer · Mannheim, DE
• Kai Thiele · Ekeren, BE
• Christoph Schnorpfeil · Dresden, DE
• Edward M. Dexheimer · Grosse Ile Township, US

Key dates

• Filing date: Apr 16, 2004
• Grant date: Apr 27, 2010
• Expiry date: Aug 17, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G18/546
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to starting compounds which can be used for the preparation of polyurethanes and can be prepared by reaction of hydroxyl-containing oligomers of formaldehyde.