Dispersion adhesives

US11198786B2 · kind B2 · utility

Assignee

• Covestro Intellectual Property GmbH & Co. KG · DE

Inventors

• Harald Kraus · Leverkusen, DE
• Robert Liberati · Stotzheim, DE
• Peter Kueker · Leverkusen, DE
• Martin Melchiors · Leverkusen, DE

Key dates

• Filing date: Sep 25, 2019
• Grant date: Dec 14, 2021
• Expiry date: Sep 25, 2039

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09J2400/243
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to the use of aqueous dispersion adhesives on the basis of a mixture of aqueous polyurethane or polyurethane-urea dispersions for bonding foam substrates according to the spray coagulation method.