发明名称 |
Buffered amino alcohol solutions of N-(n-butyl)thiophosphoric triamide (NBPT) and urea fertilizers using such solutions as urease inhibitors |
摘要 |
Reduced volatility of urea fertilizers are prepared in accordance with the present invention by first preparing an N-(n-butyl)-thiophosphoric triamide (NBPT) solution by dissolving NBPT in a mixture of an amino alcohol having the formula 1 - (H)-N-((CH) -OH) where m is 1-3, x is 0 or 1, and n is 2 when x is 1 and 3 when x is 0: or the formula 2 - (H)-N-((CH) - CHOH - CH ) such that the length of the carbon chain where the secondary hydroxyl group is located is 3, y is 0 or 1, and z is 2 when y is 1 and 3 when y is 0, and a carboxylic acid having 6 or fewer carbon atoms. The solution is then combining with a urea fertilizer in granular or liquid form. |
申请公布号 |
AU2010216281(A1) |
申请公布日期 |
2011.09.08 |
申请号 |
AU20100216281 |
申请日期 |
2010.02.03 |
申请人 |
WEYERHAEUSER NR COMPANY |
发明人 |
WHITEHURST, GARNETT BROOKS;WHITEHURST, BROOKS MORRIS |
分类号 |
C07F9/00;C07F9/22;C07F9/26 |
主分类号 |
C07F9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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