Combating plant bacteria with acylhalogenomethyl thiocyanates
    3.
    发明授权
    Combating plant bacteria with acylhalogenomethyl thiocyanates 失效
    防治植物细菌与硫氰酸酰卤甲基硫氰酸酯

    公开(公告)号:US4230723A

    公开(公告)日:1980-10-28

    申请号:US37627

    申请日:1979-05-10

    CPC classification number: A01N43/10 A01N47/48

    Abstract: A method of combating bacteria comprising applying to the bacteria, or to a habitat thereof, an acylhalogenomethyl thiocyanate of the formula ##STR1## in which R is alkyl with up to 6 carbon atoms, thienyl, phenyl, naphthyl, or phenyl substituted by halogen, hydroxy, alkyl with 1 to 4 carbon atoms, alkoxy with up to 4 carbon atoms, nitro or phenyl,X is halogen, andY is halogen or hydrogen.

    Abstract translation: 一种对抗细菌的方法,包括向细菌或其栖息地施用式为“IMAGE”的酰基卤代甲基硫氰酸酯,其中R为具有至多6个碳原子的烷基,噻吩基,苯基,萘基或被卤素取代的苯基, 羟基,具有1至4个碳原子的烷基,具有至多4个碳原子的烷氧基,硝基或苯基,X是卤素,Y是卤素或氢。

    Process for the preparation of polyisocyanates with a biuret structure
    6.
    发明授权
    Process for the preparation of polyisocyanates with a biuret structure 有权
    制备具有缩二脲结构的多异氰酸酯的方法

    公开(公告)号:US06720400B2

    公开(公告)日:2004-04-13

    申请号:US09858057

    申请日:2001-05-15

    CPC classification number: C08G18/7831 C07C273/1818

    Abstract: The present invention relates to an improved process for the continuous preparation of polyisocyanates with a biuret structure comprising the steps of continuously reacting excess amounts of organic diisocyanates having exclusively aliphatically and/or cycloaliphatically bound isocyanate groups with organic diamines having exclusively aliphatically and/or cycloaliphatically bound primary amino groups at temperatures above 170° C. and adding acid before or during the reaction.

    Abstract translation: 本发明涉及连续制备具有缩二脲结构的多异氰酸酯的改进方法,其包括以下步骤:将仅含有脂族和/或环状结合的异氰酸酯基的过量的有机二异氰酸酯与仅具有脂族和/或环状结合的有机二胺连续反应 在高于170℃的温度下加入伯氨基并在反应之前或期间加入酸。

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