Carrier mixture for the dyeing of polyester materials: n-alkylphthalimide and aromatic ester or ether

US4994089A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Frank Bartkowiak · Cologne, DE
• Hans Schulze · Cologne, DE
• Wolf-Dieter Schroer · Leverkusen, DE
• Gunther Boehmke · Leverkusen, DE
• Karlhans Jakobs · Bensberg, DE
• Willi Schossler · Cologne, DE

Key dates

• Filing date: Sep 28, 1989
• Grant date: Feb 19, 1991
• Expiry date: Sep 28, 2009

Classification

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

Abstract

The carrier mixture contains N-alkylphthalimides and compounds of the general formula ##STR1## in which R is C.sub.1 -C.sub.7 -alkyl; phenyl, benzyl or phenylethyl, which can be substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkoxycarbonyl, PA0 R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.3 -alkylcarbonyloxy, hydroxyl or C.sub.1 -C.sub.4 -alkoxycarbonyl, PA0 m is 0 or 1, PA0 n is 0 or 1, m and n not being 0 at the same time.