Hydrophobic and oleophobic finishes

US4833188A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Wilfried Kortmann · Hagen, DE
• Wulf von Bonin · Leverkusen, DE
• Friedrich Reich · Leverkusen, DE

Key dates

• Filing date: Jun 2, 1987
• Grant date: May 23, 1989
• Expiry date: Jun 2, 2007

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D06M2200/12
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

Waterproofing and oil-proofing agents contain A. compounds containing a perfluoroalkyl group, and B. quaternization products of basic fatty acid amides.