Nitrogen-containing polymeric compounds

US5082527A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Henning Bachem · Germiston, ZA
• Georg Schroder · Leverkusen, DE
• Carlhans Suling · Odenthal, DE
• Jurgen Reiners · Leverkusen, DE
• Janos Muszik · Leverkusen, DE
• Dieter Arlt · Cologne, DE
• Manfred Jautelat · Burscheid, DE
• Wolf-Dieter Schroer · Leverkusen, DE

Key dates

• Filing date: Mar 14, 1989
• Grant date: Jan 21, 1992
• Expiry date: Mar 14, 2009

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D21H17/54
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Crosslinkable compounds obtainable by reaction of water-soluble mono- or polyamines with 2,3-epoxypropyl sulphonates or 2-hydroxypropyl 1,3-bis-sulphonates or their mixtures with up to 15 mol % of an epihalogenohydrin or dihalogenohydrin are used for imparting wet strength to paper.