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    • 4. 发明申请
    • HERBICIDE IMPLANTS FOR PLANTS
    • 除草剂植入物植物
    • WO1997031528A1
    • 1997-09-04
    • PCT/EP1997000727
    • 1997-02-17
    • BAYER AKTIENGESELLSCHAFTPRIESNITZ, UweHÖLTERS, JürgenPENNERS, GuntherREHBOLD, BodoRIEBEL, Hans-Jochem
    • BAYER AKTIENGESELLSCHAFT
    • A01N25/34
    • A01N25/34A01N25/00A01N57/20A01N2300/00
    • The invention concerns plant-treatment agents based on systemic herbicides which are incorporated in solid shaped bodies and implanted in the plants to be treated. The invention also concerns methods of producing such agents and methods of treating individual plants with systemic herbicides incorporated in solid shaped bodies, the herbicides being introduced in this form into the plant's vascular system, thus enabling trees in particular, as well as other undesired plants, to be killed. Suitable herbicides are bialaphos, glufosinates and glyphosates as well as salts of these compounds, plus N-phosphonomethylglycine esters with 1-10 C-atoms in the ester alkyl group, e.g. the ethyl ester. Herbicide implants of this kind with a rod-shaped structure have been found to be particularly appropriate.
    • 本发明涉及基于可在掺入到固体成型体靶植物被植入性除草剂新的植物处理剂,它们的制备方法以及用于治疗的个体植物与掺入固体成型体全身除草剂,方法在该形式在果汁途径 将所述植物放置,从而树木以及其他不希望的植物可以特别被杀死。 用于此目的的特别合适的是除草剂双丙氨磷,草铵膦和草甘膦和这些化合物的盐,也N-膦酰基 - 甘氨酸酯在烷基部分具有1-10个碳原子,例如乙基酯。 是特别实用于本发明的除草剂的植入物具有棒状结构证实。
    • 7. 发明申请
    • PROCESS FOR PREPARING 2,1,3-BENZOTHIADIAZOLES
    • 用于生产2,1,3- benzothiadiazoles
    • WO1998027076A1
    • 1998-06-25
    • PCT/EP1997006752
    • 1997-12-03
    • BAYER AKTIENGESELLSCHAFTHEITKÄMPER, Peter
    • BAYER AKTIENGESELLSCHAFT
    • C07D285/14
    • C07D285/14
    • The invention concerns an improved process for preparing 2,1,3-benzothiadiazoles of general formula (I), in which the groups R , R , R and R can be identical or different and designate a hydrogen group or a hydrocarbon atom with between 1 and 4 carbon atoms, by reacting o-phenylene diamines of general formula (II), in which the groups R , R , R and R have the above meanings, with sulphur dioxide. The process is characterized in that gaseous sulphur dioxide is mixed into the o-phenylene diamine to be reacted in the liquid phase in the absence of an additional solvent and in the absence of a catalyst at reaction temperatures of between 50 and 100 DEG C and a pressure of between 0.9 and 1.5 bar.
    • 本发明涉及一种用于制备的改进方法-2,1,3- benzothiadiazoles通式(I),其中,所述基团R <1>,R <2>,R <3>和R <4>相同或不同的 可以是和氢原子的含义或碳原子数为1〜4的烃残基,具有,由通式(II)的邻 - 苯二胺反应,其中基团R <1>,R <2>,R <3>和R <4>具有上面给出,与二氧化硫的含义,其特征在于在反应邻苯二胺在液相在不存在另外的溶剂和在50反应温度至100℃的情况下催化剂的,并在0压力 9干涉至1.5巴气体二氧化硫。
    • 10. 发明申请
    • PROCESS FOR PREPARING ISOCYANATES FROM PRIMARY AMINES WHICH ARE NOT READILY DISSOLVED
    • 用于生产重ISOCYANATES从小学水溶性胺类
    • WO1998025888A1
    • 1998-06-18
    • PCT/EP1997006585
    • 1997-11-26
    • BAYER AKTIENGESELLSCHAFTHEITKÄMPER, Peter
    • BAYER AKTIENGESELLSCHAFT
    • C07C263/10
    • C07C263/10C07C265/14
    • Isocyanates are prepared by the "cold-hot phosgenation" of primary amines which are not readily dissolved in chlorobenzene and/or o-dichlorobenzene. According to this process phosgene is dissolved in a solvent (A) consisting of chlorobenzene and/or o-dichlorobenzene. The amine to be reacted is likewise dissolved, optionally at a high temperature, in a second inert aprotic solvent (B) which is suitable for dissolving the amine, the solvent (B) being miscible with the solvent (A) and having a boiling point which is at least 30 DEG C higher than that of solvent (A) and a boiling point which is least 30 DEG C lower than that of the isocyanate to be prepared. The resultant amine solution is mixed with the phosgene solution at temperatures of between 10 and 60 DEG C, and the mixture reacted in known manner at between 130 and 200 DEG C by increasing the temperature.
    • 异氰酸酯是由可溶于氯苯和/或邻二氯苯中一组中的溶解的光气的伯胺包括氯苯和/或邻二氯苯的溶剂A较差的“冷 - 热光气化”产生,所述胺在第二对被转换 胺合适的惰性非质子溶剂B的溶液任选地也溶解在升高的温度,其中所述溶剂B为与溶剂可混溶的,并在至少30℃沸点高于所述溶剂中的,比要制备的异氰酸酯具有至少30℃的低沸点 ,与光气溶液中的胺这样制备的溶液在〜60℃的温度10混合,并将混合物通过提高在130的温度至200℃,以已知的方式来实现带来的。