New polyaspartic acids modified with pyrazole compounds, useful as stable nitrification inhibitors for addition to mineral fertilizers
摘要
Novel modified polycondensates (I) of aspartic acid (APA) contain 0.1-50 mol. % of at least one covalently or ionically bonded pyrazole compound (II). An Independent claim is included for the preparation of (I).
申请公布号
DE19821088(A1)
申请公布日期
1999.11.18
申请号
DE1998121088
申请日期
1998.05.12
申请人
BASF AG
发明人
MOHR, BERNHARD;METZMANN, UDO;SCHORNICK, GUNNAR;DRESSEL, JUERGEN;ERHARDT, KLAUS;WEIGELT, WOLFGANG;HORCHLER VON LOCQUEN, KLAUS;BARTH, THOMAS
