发明授权
US5420307A 2-amino-4-oxo-4H-benzopyrans, their preparataion and their use as
antidotes
失效
2-氨基-4-氧代-4H-苯并吡喃,它们的制备及其用作解毒剂
- 专利标题: 2-amino-4-oxo-4H-benzopyrans, their preparataion and their use as antidotes
- 专利标题(中): 2-氨基-4-氧代-4H-苯并吡喃,它们的制备及其用作解毒剂
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申请号: US70388申请日: 1993-06-07
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公开(公告)号: US5420307A公开(公告)日: 1995-05-30
- 发明人: Helmut Hagen , Gerhard Nilz , Helmut Walter , Andreas Landes , Wolfgang Freund
- 申请人: Helmut Hagen , Gerhard Nilz , Helmut Walter , Andreas Landes , Wolfgang Freund
- 申请人地址: DEX Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX Ludwigshafen
- 优先权: DEX4039281.3 19901208
- 主分类号: A01N25/32
- IPC分类号: A01N25/32 ; A01N43/16 ; A01N47/38 ; C07D311/22
摘要:
2-Amino-4-oxo-4H-benzopyrans I ##STR1## (m=0, 1 or 2; R.sup.1 -R.sup.4 have the meanings stated in the description) and the salts of I, and herbicides which contain 2-(4-hetaryloxy)- and 2-(4-aryloxy)-phenoxyacetic acid derivatives and/or cyclohexenone derivatives as herbicidal active ingredients and 2-amino-4-oxo-4H-benzopyrans I' as antidotes.
公开/授权文献
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