Biocidal unsymmetrical di-higher alkyl dimethyl ammonium compounds
    2.
    发明授权
    Biocidal unsymmetrical di-higher alkyl dimethyl ammonium compounds 失效
    生物非对称二高级烷基二甲基氨基甲酸酯化合物

    公开(公告)号:US3754033A

    公开(公告)日:1973-08-21

    申请号:US3754033D

    申请日:1970-05-11

    CPC classification number: C07C211/63

    Abstract: WHEREIN R AND R'' ARE EITHER STRAIGHT CHAIN OR PREDOMINANTLY STRAIGHT CHAIN BUT DISSIMILAR SLKYS, EACH RANGING FROM 7 TO 15 CARBONS, AND AT LEAST ONE OF WHICH HAS AN ODD NUMBER OF CARBONS, THE SUM OF CARBON ATOMS IN R AND R'' BEING IN THE RANGE OF FROM 20 TO 22 CARBONS, AND WHEREIN X IS A BIOCIDALLY ACCEPTABLE ANION PREFERABLY DERIVED FROM A HALOGEN SUCH AS BROMINE OR CHLORINE, OR WHICH MAY BE METHOSULFATE. THESE COMPOUNDDS HAVE EFFECTIVE BIOCIDAL ACTIVITY EVEN IN HARD WATER, UNLIKE OTHER QUATERNARY AMONIUM COMPOUNDS WHICH ARE INHIBITED IN THEIR BIOCIDAL ACTIVITY BY HARD WATER. THEY ARE HIGHLY EFFECTIVE FOR THE SANITIZATION OF ALL TYPES OF SURFACES AS WELL AS EGGS, FRUITS, VEGETABLES AND SIMILAR PRODUCTS.

    R-N(+)(-R'')(-CH3)2 X(-)

    WATER-SOLUBLE UNSYMMETRRICAL DI-HIGHER ALKYL DIMETHYL AMMONIUM SALTS HAVING THE STRUCTURE:

    Control of algae in industrial water
    7.
    发明授权
    Control of algae in industrial water 失效
    工业水中铝的控制

    公开(公告)号:US3803885A

    公开(公告)日:1974-04-16

    申请号:US18049971

    申请日:1971-09-14

    CPC classification number: C02F1/50 F28F2265/20

    Abstract: Slimicidal treatment of water in recirculated water systems such as in cooling towers, air-conditioners, humidifiers and the like. The treatment consists of the introduction into the water of an Alpha -halo, Alpha , Beta -unsaturated carbonyl compound, particularly of Alpha -halocinnamaldehyde.

    Abstract translation: 在冷却塔,空调,加湿器等循环水系统中对水进行杀菌处理。 该处理包括将α-卤代α,β-不饱和羰基化合物,特别是α-卤代肉醛醛引入水中。

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