Diureides and their use

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 307/02 (2006.01) C05C 9/00 (2006.01) C05G 1/00 (2006.01)

Patent

CA 2299871

The present invention relates to the use of diureides of dicarboxylic acids of the formula I Image in which R is hydrogen or SO2O~M~, M~ is lithium, sodium, potassium, cesium, ammonium, copper, silver, 0.5 iron, 0.5 calcium, 0.5 magnesium, 0.5 manganese, 0.5 zinc or 0.5 cobalt and x is a saturated or monounsaturated, straight-chain or branched C1- to C8-alkyl which may be interrupted by oxygen or NH and which may have attached to it C1- to C4-alkoxy, hydroxyl and/or amino groups, as slow-release fertilizers and to novel diureides of the formula Ia Image in which R is SO2O~M~, is lithium, sodium, potassium, cesium, ammonium, copper, silver, 0.5 iron, 0.5 calcium, 0.5 magnesium, 0.5 manganese, 0.5 zinc or 0.5 cobalt and n is 1, 2, 3 or 4, and a process for their preparation.

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