Aqueous suspension concentrate

US6383984B1 · kind B1 · utility

Assignee

• BASF SE

Inventor

• Michael Aven · Mainz, DE

Key dates

• Filing date: Jan 18, 2000
• Grant date: May 7, 2002
• Expiry date: Jan 18, 2020

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N25/04
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to an aqueous, concentrated suspension (SC) for crop protection active compounds which comprises(a) 50 to 400 g/L of at least one crop protection active compound;(b) 50 to 500 g/L of at least one adjuvant, which reduces the surface tension in the spray dilution 40 mN/m or less and does not promote the particle growth of the crop protection active compound;(c) at least one surfactant selected from the groups (c1) and (c2):(c1) 5 to 75 g/L of one or more non-ionic dispersants,(c2) 10 to 100 g/L of one or more anionic dispersants,(d) up to 150 g/L of one or more anti-freezing agents,(e) up to 25 g/L of one or more defoamers,(f) up to 25 g/L of one or more preservatives, and(g) 200 to 800 g/L of water,wherein the adjuvant (b) is selected from the group consisting of amine alkoxylates, polyoxyalkylene triglycerides, alkylpolyglycosides, alkenyl succinic anhydride derivatives, polyvinylpyrrolidones, perfluoroalkyl acids derivatives, and mixtures thereof;and to the use of such a concentrate suspension as a pesticide.