Benzophenone ether esters and use thereof to improve the light fastness of polyester dyeings

US4789382A · kind A · utility

Assignee

• BASF SE

Inventors

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

Key dates

• Filing date: Jul 10, 1987
• Grant date: Dec 6, 1988
• Expiry date: Jul 10, 2007

Classification

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

Abstract

Textile polyester material is dyed with disperse dyes in the presence of specific benzophenone derivatives, some of which are novel, to improve the light fastness.