FIELD: household chemical goods. SUBSTANCE: method consists in two-step polycondensation of guanidine hydrochloride with diamine, in particular, diamine-ether or its mixture with alkyleneguanidine; first at 100-110 C and then at 140-150 C. Product can be used in medicine, veterinary, in waste water treatment, and in agriculture. EFFECT: increased antiseptic activity. 3 cl, 2 tbl, 9 ex
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