Dyeing leather with water-insoluble sulphur dyes

US5240466A · kind A · utility

Assignee

• Casella Aktiengesellschaft · DE

Inventors

• Wolfgang Bauer · Krefeld, DE
• Hubert Kruse · Kelkheim, DE
• Gert Nagl · Niederdorfelden, DE
• Jan Mast · Boutersem, BE
• Lothar Schlosser · Frankfurt am Main, DE

Key dates

• Filing date: Feb 12, 1992
• Grant date: Aug 31, 1993
• Expiry date: Feb 12, 2012

Classification

• Technology area (CPC D): Textiles; Paper
• CPC primary: D06P3/3246
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

The present invention relates to a process for dyeing leather by the exhaust method, characterized in that water-insoluble sulphur dyes in dispersed form are used.