Transfer of indoaniline dyes

US5221658A · kind A · utility

Assignee

• BASF SE

Inventors

• Volker Bach · Neustadt, DE
• Ruediger Sens · Mannheim, DE
• Karl-Heinz Etzbach · Bischofswerda, DE

Key dates

• Filing date: Sep 16, 1991
• Grant date: Jun 22, 1993
• Expiry date: Sep 16, 2011

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S428/914
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

One or more indoaniline dyes are transferred from a transfer to a sheet of plastic-coated paper by diffusion or sublimation with the aid of an energy source, said indoaniline dyes having the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each independently of the others hydrogen, methyl, fluorine or chlorine, X is fluorine or chlorine, and K is an aromatic radical.