Hydrophilic additive

US6699922B2 · kind B2 · utility

Assignee

• Cognis Deutschland GmbH & Co. KG · DE

Inventors

• Paul Birnbrich · Solingen, DE
• Raymond Mathis · Goldkronach, DE
• Christine Wild · Hilden, DE
• Petra Padurschel · Mettmann, DE

Key dates

• Filing date: Feb 13, 2001
• Grant date: Mar 2, 2004
• Expiry date: Oct 19, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T442/60
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

Polymers having increased hydrophilicity are made by adding to the polymer an effective amount of an additive which is a di-C10-12 fatty acid ester of polyethylene glycol.