Light fastness of polyester dyeings using benzophenone ether esters, and novel benzophenone ether esters

US4911732A · kind A · utility

Assignee

• BASF SE

Inventors

• Peter Neumann · Wiesloch, DE
• Dieter Wegerle · Mannheim, DE
• Reinhold Krallmann · Bad Dürkheim, DE

Key dates

• Filing date: Sep 28, 1988
• Grant date: Mar 27, 1990
• Expiry date: Sep 28, 2008

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S8/922
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

Improved light fastness of dyeings on textile polyester material with disperse dyes is obtainable by dyeing in the presence of certain benzophenone ether esters, some of which are novel.