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    SPRAY-DRYING PROCESS
    2.
    发明公开
    SPRAY-DRYING PROCESS 审中-公开

    公开(公告)号：EP3546554A1

    公开(公告)日：2019-10-02

    申请号：EP18164666.2

    申请日：2018-03-28

    申请人： The Procter & Gamble Company

    发明人： CARAGAY, Jose Rodel Mabilangan ,  TANTAWY, Hossam Hassan

    IPC分类号： C11D3/04 ,  C11D11/00 ,  C11D11/02 ,  C11D17/06

    摘要： The present invention relates to a spray-drying process for preparing a spray-dried laundry detergent particle comprising detersive surfactant and magnesium sulphate salt, wherein the process comprises the steps of: (a) contacting magnesium sulphate to water to form a first mixture; (b) contacting detersive surfactant to the first mixture to form a second mixture; and (c) spray-drying the second mixture to form a spray-dried laundry detergent particle, wherein step (a) is carried out in the absence of detersive surfactant.

    PROCESS FOR PREPARING A SPRAY-DRIED LAUNDRY DETERGENT PARTICLE
    4.
    发明公开
    PROCESS FOR PREPARING A SPRAY-DRIED LAUNDRY DETERGENT PARTICLE 审中-公开

    公开(公告)号：EP3546556A1

    公开(公告)日：2019-10-02

    申请号：EP19165562.0

    申请日：2019-03-27

    申请人： The Procter & Gamble Company

    发明人： CARAGAY, Jose Rodel Mabilangan ,  TANTAWY, Hossam Hassan

    IPC分类号： C11D3/12 ,  C11D3/20 ,  C11D11/00 ,  C11D11/02 ,  C11D17/06

    摘要： The present invention relates to a process for preparing a spray-dried laundry detergent particle, wherein the process comprises the step of contacting water-insoluble silicate salt to monomeric organic carboxylic acid in an aqueous mixture, wherein the aqueous mixture has a pH of 4.2 or less, wherein the aqueous mixture comprises detersive surfactant, wherein the aqueous mixture is substantially free of carbonate salt, wherein the water-insoluble silicate salt reacts with the monomeric organic carboxylic acid to form silica, wherein the aqueous mixture is spray-dried to form a spray-dried laundry detergent particle, wherein the particle comprises: detersive surfactant; monomeric organic carboxylic acid; and silica, wherein the particle is substantially free of carbonate salt.

    PROCESS FOR PREPARING A SPRAY-DRIED LAUNDRY DETERGENT PARTICLE
    5.
    发明公开
    PROCESS FOR PREPARING A SPRAY-DRIED LAUNDRY DETERGENT PARTICLE 审中-公开

    公开(公告)号：EP3546555A1

    公开(公告)日：2019-10-02

    申请号：EP19165574.5

    申请日：2019-03-27

    申请人： The Procter & Gamble Company

    发明人： CARAGAY, Jose Rodel Mabilangan ,  TANTAWY, Hossam Hassan

    IPC分类号： C11D3/08 ,  C11D3/12 ,  C11D3/20 ,  C11D11/00 ,  C11D11/02

    摘要： The present invention relates to a process for preparing a spray-dried laundry detergent particle, wherein the process comprises the step of contacting water-soluble silicate salt to monomeric organic carboxylic acid in an aqueous mixture, wherein the aqueous mixture has a pH of 4.2 or less, wherein the aqueous mixture comprises detersive surfactant, wherein the aqueous mixture is substantially free of carbonate salt, wherein the water-soluble silicate salt reacts with the monomeric organic carboxylic acid to form silica, wherein the aqueous mixture is spray-dried to form a spray-dried laundry detergent particle, wherein the particle comprises: detersive surfactant; monomeric organic carboxylic acid; and silica, wherein the particle is substantially free of carbonate salt.

    LOW PH LAUNDRY DETERGENT COMPOSITION
    7.
    发明公开
    LOW PH LAUNDRY DETERGENT COMPOSITION 审中-公开
    低PH洗衣液洗涤剂组合物

    公开(公告)号：EP3301151A1

    公开(公告)日：2018-04-04

    申请号：EP17177076.1

    申请日：2017-06-21

    申请人： The Procter & Gamble Company

    发明人： TANTAWY, Hossam Hassan ,  CARAGAY, Jose Rodel Mabilangan

    IPC分类号： C11D1/02 ,  C11D3/20 ,  C11D11/00 ,  C11D17/06

    CPC分类号： C11D17/06 ,  C11D1/02 ,  C11D1/12 ,  C11D1/24 ,  C11D1/75 ,  C11D1/83 ,  C11D3/0047 ,  C11D3/122 ,  C11D3/124 ,  C11D3/128 ,  C11D3/2075 ,  C11D3/2086 ,  C11D3/2093 ,  C11D3/225 ,  C11D3/26 ,  C11D3/30 ,  C11D3/33 ,  C11D3/3418 ,  C11D3/3481 ,  C11D3/349 ,  C11D3/3707 ,  C11D3/3715 ,  C11D3/3723 ,  C11D3/3746 ,  C11D3/3757 ,  C11D3/38609 ,  C11D3/38627 ,  C11D3/3942 ,  C11D3/42 ,  C11D3/50 ,  C11D11/0017 ,  C11D11/02

    摘要： The present invention also relates to a solid free flowing particulate laundry detergent composition comprising:
    (a) anionic detersive surfactant;
    (b) from 0wt% to 8wt% zeolite builder;
    (c) from 0wt% to 4wt% phosphate builder;
    (d) from 0wt% to 8wt% sodium carbonate;
    (e) from 0wt% to 8wt% sodium silicate; and
    (f) from 4wt% to 20wt% organic acid,
    wherein the composition at 1wt% dilution in deionized water at 20°C, has an equilibrium pH in the range of from 6.5 to 9.0, preferably from 6.5 to 8.0,
    wherein the composition comprises from 30wt% to 100wt% base detergent particle, wherein the base detergent particle comprises (by weight of the base detergent particle):
    (a) from 4wt% to 35wt% alkyl benzene sulphonate;
    (b) from 0wt% to 8wt% zeolite builder;
    (c) from 0wt% to 4wt% phosphate builder;
    (d) from 0wt% to 8wt% sodium carbonate;
    (e) from 0wt% to 8wt% sodium silicate;
    (f) from 1wt% to 10wt% organic acid; and
    (g) from 1wt% to 10wt% magnesium sulphate.

    摘要翻译： 本发明还涉及固体自由流动的颗粒状衣物洗涤剂组合物，其包含：（a）阴离子去污表面活性剂; （b）0重量％至8重量％的沸石助洗剂; （c）0重量％至4重量％的磷酸盐助洗剂; （d）0重量％至8重量％的碳酸钠; （e）0重量％至8重量％的硅酸钠; 和（f）4重量％至20重量％的有机酸，其中在20℃下在去离子水中稀释1重量％的组合物具有6.5至9.0，优选6.5至8.0的平衡pH，其中组合物 包含30重量％至100重量％的碱性洗涤剂颗粒，其中所述碱性洗涤剂颗粒包含（以所述碱性洗涤剂颗粒的重量计）：（a）4重量％至35重量％的烷基苯磺酸盐; （b）0重量％至8重量％的沸石助洗剂; （c）0重量％至4重量％的磷酸盐助洗剂; （d）0重量％至8重量％的碳酸钠; （e）0重量％至8重量％的硅酸钠; （f）1重量％至10重量％的有机酸; 和（g）1重量％至10重量％的硫酸镁。