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    • 4. 发明授权
    • Cosmetic care or makeup composition containing powders and manufacturing process
    • 含有粉末和制造工艺的化妆品护理或化妆组合物
    • US09579527B2
    • 2017-02-28
    • US13222560
    • 2011-08-31
    • Sabine VicPhilippe FerrandEric Perrier
    • Sabine VicPhilippe FerrandEric Perrier
    • A61K8/90B29B9/12A61Q1/10A61Q1/02A61Q1/12A61Q1/08B29C39/02B29C71/00A61K8/25A61K8/31A61K8/34
    • A61Q1/12A61K8/25A61K8/31A61K8/345A61K8/90A61Q1/10
    • The invention relates to a solid cosmetic composition, in the form of a loose or compact powder, comprising: (a) from 50% to 99% by weight of at least one particulate solid phase, (b) from 0.5% to 50% by weight of at least one non-volatile liquid phase, and (c) from 0.01% to 4% by weight of at least one block copolymer obtained from a first monomer of 2-acrylamidomethylpropanesulphonic acid and from a vinyl second monomer having a nitrogenous cyclic side chain. The invention also relates to a process for manufacturing such a composition, which comprises: (i) mixing the particulate solid phase, the non-volatile liquid phase, the block copolymer and water so as to obtain a slurry, (ii) suctioning off the water present in the slurry so as to obtain a dry powder.
    • 固体组合物包含至少一种颗粒状固相(50-99重量%),至少一种非挥发性液相(0.1-50重量%)和至少一种嵌段共聚物(0.01-4重量%), 由丙烯酰胺-2-甲基丙磺酸或其盐的第一单体获得,和具有侧链氮的第二乙烯基单体。 包括以下的独立权利要求:(1)制备固体组合物的方法,包括混合所述组合物以形成糊状物,显影所述糊状物的模具,以及除去所述糊料中存在的挥发性液相; (2)一种制造粉末组合物的方法,包括将组合物分散在水中以获得糊料,(ii)将混合物置于模具中,和(iii)通过抽吸和在70℃以下干燥从浆料中除去水分 ] C; 和(3)包含15-80重量%的颗粒固相,20-70重量%的浆料在水中,1-30重量%的非挥发性液相,0.01-2重量% 聚合物胶粘在水中。