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    • 3. 发明授权
    • Dental-care composition
    • 牙科保健组合
    • US4664907A
    • 1987-05-12
    • US773973
    • 1985-09-09
    • Karl-Hans MullerMatthias NeumullerGunther Turk
    • Karl-Hans MullerMatthias NeumullerGunther Turk
    • A61K8/00A61K8/25A61K8/86A61Q11/00A61K7/16A61K7/18
    • A61Q11/00A61K8/25
    • A dental-care composition having improved shelf life in respect of rheology and abrasiveness, which, as a novel feature, contains, as a cleansing agent, a bifunctional (thickening and abrasive) precipitated silica characterized by the following physico-chemical properties:______________________________________ Pendulum roller mill Jet mill ______________________________________ BET surface area m.sup.2 /g 15-110 15-110 Tamped density g/l 150-750 90-650 Secondary particle size FIG. 1 FIG. 2 distribution according to Coulter Counter "ALPINE" screen % by 63 .mu.m weight Cu abrasion in 10% mg 5-30 5-30 strength glycerol dispersion Lightness value A % 86-96 90-96 Viscosity in a 30% 30,000-60,000 30,000-60,000 strength dispersion in a 1:1 glycerol/water mixture, Brookfield RTV, Sp 5 ______________________________________ The dental-care composition may additionally contain 0.5-5% by weight of polyethylene glycol or 2-14% by weight of a precipitated silica which in 15% strength dispersion in a glycerol/water mixture has a viscosity of not less than 30,000 mPa.s. Pyrogenic silica can also be employed successfully to regulate the viscosity of the product.
    • 作为新颖特征,作为清洁剂含有以下物理化学性质为特征的双官能(增稠和研磨性)沉淀二氧化硅作为清洁剂的具有改善的流变性和磨损性保质期的牙科保健组合物: - 摆动 喷粉机-BET表面积m2 / g 15-110 15-110-阻尼密度g / l 150-750 90-650 - 二次粒径图。 1图。 2 - 根据-Coulter Counter - “ALPINE”筛选%的分布%<1.5 <0.1-重量> 63微米重量-Cu磨损10%mg 5-30 5-30 - 强度甘油 - 分散 - 光密度值A%86 -96 90-96 - 在-1:1甘油/水混合物中的30%30,000-60,000 30,000-60,000强度分散体中的粘度,Brookfield RTV,-Sp 5 - 牙科护理组合物可另外含有0.5-5 重量%的聚乙二醇或2-14%重量的沉淀二氧化硅,其在甘油/水混合物中15%强度分散体中的粘度不低于30,000mPa.s。 也可以成功地使用热解二氧化硅来调节产品的粘度。
    • 8. 发明授权
    • Opaque dental-care composition
    • 不透明牙科护理组合物
    • US4704270A
    • 1987-11-03
    • US6040
    • 1987-01-21
    • Karl-Hans MullerMatthias NeumullerGunther Turk
    • Karl-Hans MullerMatthias NeumullerGunther Turk
    • A61K8/00A61K8/25A61K8/86A61Q11/00A61K7/16
    • A61Q11/00A61K8/25
    • A dental-care composition having improved shelf life in respect of rheology and abrasiveness, which, as a novel feature, contains, as a cleansing agent, a bifunctional (thickening and abrasive) precipitated silica characterized by the following physico-chemical properties:______________________________________ Pendulum roller mill Jet mill ______________________________________ BET surface area m.sup.2 /g 15-110 15-110 Tamped density g/l 150-750 90-650 Secondary particle size FIG. 1 FIG. 2 distribution according to Coulter Counter "ALPINE" screen % by 63 .mu.m weight Cu abrasion in 10% mg 5-30 5-30 strength glycerol disper- sion Lightness value A % 86-96 90-96 Viscosity in a 30% 30,000-60,000 30,000-60,000 strength dispersion in a 1:1 glycerol/water mixture, Brookfield RTV, Sp5 ______________________________________ The dental-care composition may additionally contain 0.5-5% by weight of polyethylene glycol or 2-14% by weight of a precipitated silica which in 15% strength dispersion in a glycerol/water mixture has a viscosity of not less than 30,000 mPa.s. Pyrogenic silica can also be employed successfully to regulate the viscosity of the product.
    • 作为新颖特征,作为清洁剂含有以下物理化学性质为特征的双官能(增稠和研磨性)沉淀二氧化硅作为清洁剂的具有改善的流变性和磨损性保存期限的牙科保健组合物: - 摆动 -roller-mill喷射磨机-BET表面积m2 / g 15-110 15-110-阻尼密度g / l 150-750 90-650 - 第二颗粒尺寸 1图。 2 - 根据-Coulter计数器分配 - “ALPINE”筛选%<1.5 <0.1 - 重量> 63微米重量-Cu磨损10%mg 5-30 5-30 - 强度甘油分散 - 亮度值A %86-96 90-96 - 在-1:1甘油/水混合物中的30%30,000-60,000 30,000-60,000强度分散体中的粘度,Brookfield RTV,-Sp5 - 牙科护理组合物可另外含有0.5- 5重量%的聚乙二醇或2-14重量%的沉淀二氧化硅,其在甘油/水混合物中的15%强度分散体中的粘度不低于30,000mPa.s。 也可以成功地使用热解二氧化硅来调节产品的粘度。