Patent ID: 8461080

Claim:
An aluminum silicate-free, aqueous suspension concentrate comprising (A) 43-61 wt. % of active substance metribuzin, (B) 0.5-15 wt. % of at least one surfactant based on at least one nonionic polymer selected from the group consisting of acrylic grafted polymers, (C) 0.05-0.3 wt. % of at least one thickener based on at least one anionic heteropoly-saccharide selected from the group consisting of xanthan gums, (D) 0.1-10 wt. % of at least one wetting agent, (E) 0-1 wt. % of at least one antifoaming agent, (F) 0-20wt. % of at least one antifreeze agent, (G) 0-1 wt. % of at least one preservative, (H) 0-10 wt. % of at least one other surfactant differing from components (A)-(G).