Non-aqueous pesticidal dispersion containing a cross-linked polymer

Claim 1

A METHOD FOR REDUCING SPRAY DRIFT IN APPLYING A BIOLOGICALLY ACTIVE PESTICIDE WHICH COMPRISES; SPRAYING A PESTICIDALLY EFFECTIVE AMOUNT OF A PESTICIDAL GEL, SAID GEL PRODUCED BY MIXING AN EFFECTIVE PESTICIDAL AMOUNT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF OIL SOLUBLE BIOLOGICALLY ACTIVE PESTICIDAL AGENTS WITH AN OIL IN THE PRESENCE OF A PARTICULATE CROSS-LINKED OIL-SWELLABLE, OILINSOLUBLE POLYMER BEING SUBSTANTIALLY NON-SOLUBLE IN SAID OIL AND CAPABLE OF BEING SWELLED BY SAID OIL, SAID OIL BEING A LIQUID, NON-AQUEOUS,NON-IONIC ORGANIC CARRIER FOR SAID PESTICIDALAGENT, THE AMOUNT OF SAID POLYMER IN SAID DISPERSION RANGING FROM ABOUT 0.2 TO ABOUT 20 PERCENT OF THE WEIGHT OF SAID DISPERSION AND BEING AT LEAST SUFFICIENT TO IMBIBE SUBSTANTIALLY ALL OF THE OIL IN SAID DISPERSION THEREBY TO PROVIDE A PARTICULATE GELLED DISPERSION OF DISCRETE ELASTIC, NON-COALESCENT PARTICLES OF SAID POLYMER WITH SAID BIOLOGICALLY ACTIVE PESTICIDAL AGENT AND SAID OIL, SAID PARTICULATE GELLED DISPERSION HAVING SUBSTANTIALLY NO FREE LIQUID AND THE DISCRETE PARTICLES OF SAID GELLED DISPERSION HAVING AN EFFECTIVE DIAMETER OF FROM ABOUT 0.05 TO ABOUT 1.0 MILLIMETER.