Aqueous fabric softener formulations comprising copolymers of cationic acrylates and N-alkyl acrylamides

US7452854B2 · kind B2 · utility

Assignee

• Ciba Specialty Chemicals Corporation · US

Inventors

• Michael J. Green
• David Normington · Leeds, GB
• Keith Graham · Berlin, DE
• Gerhard Merkle · Glückstadt, DE
• Emmanuel Martin · Folgensbourg, FR

Key dates

• Filing date: May 27, 2003
• Grant date: Nov 18, 2008
• Expiry date: Oct 11, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C11D3/3773
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

This invention relates to thickened aqueous formulations containing cross-linked cationic polymers, novel homo- and copolymers their production and their use as thickeners for household formulations.