Fertiva Gmbh

Gerd Buehler

Alexander Wissemeier

Ralf-Thomas Rahn

Wolfgang Weigelt

A mixture for the treatment of urea-containing fertilizers comprises a) at least one (thio)phosphoric acid triamide of the general formula (I) RRN&#x2014;P(X)(NH)and/or (thio)phosphoric acid diamide of the general formula (II) RO&#x2014;P(X)(NH), X denoting oxygen or sulfur, Rand Rindependently from each other being hydrogen, substituted or unsubstituted 2-nitrophenyl, C-alkyl, C-cycloalkyl, C-heterocycloalkyl, C-aryl, C-heteroaryl or diaminocarbonyl, where Rand Rtogether with the nitrogen atom connecting them can also form a 5 or 6-membered saturated or unsaturated heterocyclic group, which optionally may also comprise one or two additional heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur, as component A, and b) at least one compound comprising an amino group having a boiling point of more than 100&#xb0; C. as component B.

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Speyer, Germany

Gerd Buehler