Triazolyl stilbene brighteners method of preparing and detergents therewith

US3994834A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Alfons Dorlars · Leverkusen, DE
• Heinrich Gold
• Walter Horstmann · Bensberg, DE

Key dates

• Filing date: Oct 5, 1973
• Grant date: Nov 30, 1976
• Expiry date: Oct 5, 1993

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B23/141
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The stilbene compound of the formula ##SPC1## Exists in three crystal modifications. Two of them are valuable as brighteners for preparing colorless detergents. The stilbene compound is prepared from the corresponding sulphonic acids, their mono- or di-sodium salts.