HERBICIDALLY ACTIVE 5-ALKYLUREIDO-1,3,4-THIADIAZOL-2-YL-SULPHONYL-ACETIC ACID DERIVATIVES,PROCESS FOR THEIR MANUFACTURE AND THEIR USE

摘要

(5-Alkylureido-1,3,4-thiadiazol-2-ylsulfonyl) acetic acid derivative of the formula in which R1 and R2 are hydrogen or alkyl and R3 is hydrogen, alkyl, univalent metal equivalent, an ammonium group or an alkyl ammonium group. The compositions are used for herbicidal purposes as the active agent in herbicide compositions.