Patent ID: 6635696
Filing Date: 2003-10-21
Classification: C07D,C08K

Abstract:
An additive comprising a dithiocarbamyl-1,3,4,-thiadiazole derivative having formula (I), or an isomer thereof: where R1 and R2 are independently a radical being either an alkyl, a cycloalkyl, an alkenyl, an aryl, an arylalkyl, or an alkylaryl, or R1 and R2 together form a 3- to 7-membered cyclic ring structure; and X is (i) hydrogen, (ii) a dithiocarbamyl radical having formula (II): where R3 and R4 are independently a radical being either an alkyl, a cycloalkyl, an alkenyl, an aryl, an arylalkyl, or an alkylaryl, or R3 and R4 together form 3- to 7-membered cyclic ring structure, or (iii) a mixture thereof.