Polyurethane prepolymers comprising NCO groups and a low content of monomeric polyisocyanate

US6903167B2 · kind B2 · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien (Henkel KGAA) · DE

Inventors

• Gerd Bolte · Monheim, DE
• Guenter Henke · Neuss, DE
• Claudia Meckel-Jonas · Dressendorf, DE
• Dagmar Jahns · Essen, DE

Key dates

• Filing date: May 30, 2003
• Grant date: Jun 7, 2005
• Expiry date: May 30, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S528/905
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Polyurethane prepolymers containing NCO (isocyanate) groups and having a low content of monomeric polyisocyanate, processes for their production and uses employing these prepolymers. The polyurethane prepolymers of the invention are produced from by a reaction employing monomeric polyisocyanates and polyols.