Emulsifiable concentrate for weed control
    18.
    发明授权
    Emulsifiable concentrate for weed control 失效
    可乳化浓缩物用于杂草控制

    公开(公告)号:US4349379A

    公开(公告)日:1982-09-14

    申请号:US210791

    申请日:1980-11-26

    IPC分类号: A01N25/02 A01N47/30

    CPC分类号: A01N25/02 A01N47/30

    摘要: An emulsifiable concentrate for weed control, which comprises 10 to 40 parts by weight of N'-[4-(4-methylphenethyloxy)phenyl]-N-methoxy-N-methylurea, 5 to 20 parts by weight of an emulsifier, 5 to 35 parts by weight of at least one of phenolic solvents of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each hydrogen or methyl, and 5 to 80 parts by weight of at least one of aromatic hydrocarbon solvents having 6 to 11 carbon atoms.

    摘要翻译: 一种用于杂草控制的可乳化浓缩物,其包含10至40重量份的N' - [4-(4-甲基苯乙氧基)苯基] -N-甲氧基-N-甲基脲,5至20重量份的乳化剂,5至 35重量份的下式的酚类溶剂中的至少一种:其中R 1和R 2各自为氢或甲基,以及5-80重量份的至少一种具有6至11个碳原子的芳族烃溶剂。

    N-Phenyl-N-methyl-urea derivatives, and their production and use
    20.
    发明授权
    N-Phenyl-N-methyl-urea derivatives, and their production and use 失效
    N-苯基-N-甲基脲衍生物及其制备和使用

    公开(公告)号:US4249938A

    公开(公告)日:1981-02-10

    申请号:US919683

    申请日:1978-06-27

    摘要: An N'-phenyl-N-methyl-urea derivative of the formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are each hydrogen, lower alkyl, lower alkoxy, lower alkylthio, halogen or trifluoromethyl, R.sup.4 is hydrogen or lower alkyl, A is methyl or methoxy, X is oxygen or sulfur, Y is hydrogen or halogen, Z is a straight or branched alkylene chain having not more than 8 carbon atoms which may have no less than one atom of oxygen and/or sulfur inside and/or at the end of the alkylene chain and n is an integer of 1 to 3, which shows a pronounced herbicidal activity against a wide variety of weeds in the cultivation of crop plants without any material toxicity to mammals or fish or any chemical injury to said crop plants.

    摘要翻译: 其中R 1,R 2和R 3各自为氢,低级烷基,低级烷氧基,低级烷硫基,卤素或三氟甲基,R 4为氢或低级烷基,A为 是甲基或甲氧基,X是氧或硫,Y是氢或卤素,Z是具有不超过8个碳原子的直链或支链亚烷基链,其可以具有不少于一个氧和/或硫原子的内部和/或 在亚烷基链的末端,n是1至3的整数,其显示了对作物栽培中各种杂草的显着的除草活性,对哺乳动物或鱼没有任何物质毒性或对所述作物的任何化学损伤 植物。