Microcapsule preparations and detergents and cleaning agents containing microcapsules

US6849591B1 · kind B1 · utility

Assignee

• BASF SE

Inventors

• Dieter Boeckh · Schifferstadt, DE
• Ekkehard Jahns · Weinheim, DE
• Werner Bertleff · Viernheim, DE
• Peter Neumann · Wiesloch, DE

Key dates

• Filing date: Jul 7, 2000
• Grant date: Feb 1, 2005
• Expiry date: Oct 3, 2020

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/3905
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A description is given of a microcapsule formulation comprising microcapsules having a core of a hydrophobic material and a capsule shell of an addition polymer containing in copolymerized form at least 1% by weight of cationogenic monomers and/or polyethylenically unsaturated monomers whose unsaturated sites are connected via successive chemical bonds of which at least one bond is acid-hydrolyzable. A description is further given of a microcapsule formulation comprising microcapsules having a core of a hydrophobic material, which comprises at least one fragrance or perfume, and a shell of an addition polymer containing in copolymerized form at least 1% by weight of anionogenic monoethylenically unsaturated monomers and/or polyethylenically unsaturated monomers whose unsaturated sites are connected via successive chemical bonds of which at least one bond is base-hydrolyzable. The microcapsule formulations are employed in laundry detergents or cleaning products.