Dustproofing agents

US5762651A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Horst Brandt · Weiterstadt, DE
• Hans Schulze · Cologne, DE
• Thomas O. Nagel · Rockford, US
• Hans-Werner Petroll · Leverkusen, DE
• Udo Herrmann · Dormagen, DE

Key dates

• Filing date: Aug 6, 1996
• Grant date: Jun 9, 1998
• Expiry date: Aug 6, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B67/0094
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

To prevent dusting of a solid such as a crop protection agent, a pharmaceutical or a dyestuff, there is added thereto as a dustproofing agent a compound of the formula I ##STR1## in which Z represents Z.sub.1 or Z.sub.2 where PA1 Z.sub.1 denotes a bivalent radical of the formula ##STR2## in which W represents a direct bond or a C.sub.1 -C.sub.3 unit, and PA2 Z.sub.2 represents unsubstituted arylenedioxy, wherein the remaining variables are defined herein.