A b s t r a c t The invention relates to a herbicide composition as well as to the preparation of carboxylic-acid-amido-thiol-carbamate derivatives forming the active agent of the composition. The carboxylic acid-amido-thiolcarbamate derivatives are illustrated by general formula (I) <IMG> wherein R1 and, R2 can be identical or different and, can stand for hydrogen, a C1-10 straight or branched alkyl group, a C2-10 straight or branched, alkenyl group, a C5-6 cycloalkyl or phenyl group, a phenyl radical substituted, by a C1-3 alkyl group, a C1-3 dialkyl group or halogen, but R1 and R2 can form together a hexamethylene group, too; R2 can stand, for a C1-3 straight or branched alkyl radical; R4 can represent a C1-10 straight or branched alkyl group, a C2-10 straight or branched alkenyl group, furthermore a phenyl or benzyl radical.