Patent ID: 8075659

Claim:
A preparation comprising at least two different (thio)phosphoric triamides having structures of general formula (I) R 1 R 2 N—P(X)(NH 2 ) 2 (I) wherein X is oxygen or sulfur; R 1 is a C 1 -C 10 -alkyl, C 3 -C 10 -cycloalkyl, C 6 -C 10 -aryl, or dialkylaminocarbonyl group; and R 2 is hydrogen, or R 1 and R 2 together with the nitrogen atom linking them define a 5- or 6-membered saturated or unsaturated heterocyclic radical, which optionally comprises 1 or 2 further heteroatoms selected from the group consisting of nitrogen, oxygen, and sulfur, wherein said at least two different (thio)phosphoric triamides differ in at least one of radicals R 1 or R 2 and wherein a first (thio)phosphoric triamide from among the at least two different (thio)phosphoric triamides accounts for an amount of from 20 to 40% by weight and a second (thio)phosphoric triamide from among the at least two different (thio)phosphoric triamides accounts for an amount of from 60 to 80% by weight, respectively, based on the total weight of all (thio)phosphoric triamides present.