20140037570 | NBPT solution for preparing urease inhibited urea fertilizers prepared from N-alkyl; N, N-alkyl; and N-alkyl-N-alkoxy amino alcohols - Solutions are prepared by dissolving N-(n-butyl)-thiophosphoric triamide (NBPT) in one or more N-alkyl amino alcohols, N,N-dialkyl amino alcohols, N-alkyl-N-alkoxy amino alcohols, and mixtures thereof. The solutions may be used in urea fertilizers to reduce nitrogen volatilization, or to reduce the odor of animal waste. Methods of preparing urea fertilizers and the resultant products are also described. | 02-06-2014 |