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    Detergent compositions
    2.
    发明授权
    Detergent compositions 失效
    洗涤剂组合物

    公开(公告)号：US06191095B1

    公开(公告)日：2001-02-20

    申请号：US09085070

    申请日：1998-05-26

    申请人： William Derek Emery ,  Terry Instone ,  Seeng Djiang Liem ,  Gilbert Martin Verschelling

    发明人： William Derek Emery ,  Terry Instone ,  Seeng Djiang Liem ,  Gilbert Martin Verschelling

    IPC分类号： C11D360

    CPC分类号： C11D1/66 ,  C11D1/83 ,  C11D3/06 ,  C11D3/128 ,  C11D17/06 ,  C11D17/065

    摘要： A particulate detergent composition having a bulk density of 700 g/l or less and containing at least 10 wt % (preferably at least 15 wt %) of organic detergent surfactant comprises a base powder composed of at least two granular components. Less than 80% by weight, preferably less than 66% by weight, of the base powder has a compressibility (measured at 20-25° C. and about 40% relative humidity) of 17% or more. Preferably one of the components of the base powder is a granule containing a high level (at least 60 wt %) of anionic surfactant.

    摘要翻译： 堆积密度为700g / l以下并含有至少10重量％（优选至少15重量％）的有机洗涤剂表面活性剂的颗粒状洗涤剂组合物包括由至少两种颗粒组分组成的基础粉末。 基础粉末的小于80重量％，优选小于66重量％具有17％或更高的压缩性（在20-25℃和约40％相对湿度下测量）。 优选地，基础粉末的组分之一是含有高水平（至少60重量％）的阴离子表面活性剂的颗粒。

    Production of anionic surfactant granules by in situ neutralization
    6.
    发明授权
    Production of anionic surfactant granules by in situ neutralization 失效
    通过原位中和制备阴离子表面活性剂颗粒

    公开(公告)号：US06518233B2

    公开(公告)日：2003-02-11

    申请号：US09957228

    申请日：2001-09-20

    申请人： William Derek Emery ,  Andreas Theodorus Groot

    发明人： William Derek Emery ,  Andreas Theodorus Groot

    IPC分类号： C11D1700

    CPC分类号： C11D11/04 ,  C11D11/0082

    摘要： In process for producing detergent particles, an acid precursor of an anionic surfactant and a neutralizing agent are fed into a horizontal thin-film evaporator/drier where they are neutralized, granulated and dried. The neutralizing agent is present in an amount equal to or in excess that required for stoichiometric neutralization and has a D50 mean particle size of less than 40 &mgr;m.

    摘要翻译： 在制造洗涤剂颗粒的过程中，将阴离子表面活性剂的酸前体和中和剂加入水平薄膜蒸发器/干燥器中，将其中和，造粒和干燥。 中和剂以等于或超过化学计量中和所需的量存在，并且具有小于40μm的D50平均粒度。

    Production of anionic surfactant granules by in situ neutralisation
    7.
    发明授权
    Production of anionic surfactant granules by in situ neutralisation 失效

    公开(公告)号：US06514930B2

    公开(公告)日：2003-02-04

    申请号：US09957326

    申请日：2001-09-20

    申请人： William Derek Emery ,  Andreas Theodorus Groot

    发明人： William Derek Emery ,  Andreas Theodorus Groot

    IPC分类号： C11D1700

    CPC分类号： C11D3/128 ,  C11D11/0082 ,  C11D11/04

    摘要： A process for the production of detergent particles comprises feeding an acid precursor of an anionic surfactant, a neutralizing agent and aluminosilicate detergency builder into a horizontal thin-film evaporator/drier. The evaporator/drier comprises a mixing region, a drying region and a cooling region. Neutralization of the acid precursor is effected, together with granulation, drying and cooling, to form the detergent particles. At least some of the aluminosilicate builder is fed into the thin-film evaporator/drier between the drying region and the cooling region and/or into the cooling region. When all of he aluminosilicate builder is fed into the cooling region, the aluminosilicate is in an amount of more than 20% by weight of the particles exiting the cooling region.