Molecular sieves containing azo dyes

US5573585A · kind A · utility

Assignee

• Wolfgang Hoelderich · DE

Inventors

• Guenter Lauth · Großkarlbach, DE
• Wolfgang Hoelderich · Bischofswerda, DE
• Gerhard Wagenblast · Wachenheim, DE
• Bernhard Albert · Monsheim, DE
• Gunther Lamm · Haßloch, DE
• Helmut Reichelt · Neustadt, DE
• Clemens Grund · Hattersheim, DE
• Sabine Gruettner-Merten · Mutterstadt, DE

Key dates

• Filing date: Sep 12, 1994
• Grant date: Nov 12, 1996
• Expiry date: Sep 12, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D7/41
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Crystalline molecular sieves useful as colorants contain one or more chromophores of the class of the mono- or polyazo dyes that are devoid of acidic groups.