Alkylcarboxylic acid dimethylamides as crystallization inhibitors

US5206225A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Heinz-Otto Horstmann · Bensberg, DE
• Uwe Priesnitz · Solingen, DE
• Ulrich Engelhardt · Leverkusen, DE
• Karl Reizlein · Cologne, DE
• Klaus Wangermann · Krefeld, DE

Key dates

• Filing date: Apr 19, 1991
• Grant date: Apr 27, 1993
• Expiry date: Apr 19, 2011

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N55/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Crystallization of active material in spraying an aqueous solution of one of ##STR1## and is prevented by incorporation therein of an alkylcarboxylic acid dimethylamide of the formula ##STR2## in which R represents alkyl having 5 to 19 carbon atoms.