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1. 发明申请

US20070178057A1 High efficiency sunscreen composition particularly useful for wipes and sprays 审中-公开
标题翻译：高效防晒组合物特别适用于擦拭和喷雾
公开(公告)号：US20070178057A1
公开(公告)日：2007-08-02
申请号：US11345064
申请日：2006-02-01
申请人： Ashoke SenGupta , Kevin Cureton , Ilona Lin , Thomas Beihoffer
发明人： Ashoke SenGupta , Kevin Cureton , Ilona Lin , Thomas Beihoffer
IPC分类号： A61K8/00 , A61K8/18 , A61Q17/04
CPC分类号： A61Q17/04 , A61K8/0208 , A61K8/26 , A61K8/29 , A61K8/35 , A61K8/37 , A61K8/72 , A61K8/8147 , A61K2800/412
摘要： A sunscreen composition, either impregnating a wipe substrate or comprising a sunscreen spray, wherein the composition comprises an oil phase dispersed stably as emulsion droplets in a water phase that contains i) a booster for the sun protection factor (SPF), comprising a combination of water-dispersible particulate materials, one of which is smectite clay, and a water-soluble or water-dispersible phenolic polymer; and ii) a water-soluble or water-dispersible polymer having a weak acid group, a weight average molecular weight of 1,000-100,000 Dalton, and an anionic charge density of no less than 4 milliequivalent per gram of the polymer; the said sunscreen composition meeting the following specifications: i) the in-vivo sun protection factor (SPF) is ≧1.8 times the weight percent of the sunscreen active(s) contained therein, based on the weight of the sunscreen composition; and ii) the shear thinning index of the composition is greater by 5% or higher with the weak acid polymer contained therein than without the polymer, the shear thinning index being defined as the ratio of viscosities of the sunscreen composition at 0.5 rpm and 20 rpm, measured on a Brookfield RVT viscometer at 25 ° C., using spindle 7, after cooling the composition to room temperature and storing it at that temperature for about 24 hours.
摘要翻译：一种防晒组合物，其浸渍擦拭基材或包含防晒剂喷雾，其中所述组合物包含在水相中稳定分散为乳液液滴的油相，其含有i）用于防晒因子（SPF）的增效剂，其包含水分散性颗粒材料，其中一种是绿土粘土，以及水溶性或水分散性酚醛聚合物; 和ii）具有弱酸基，重均分子量为1,000-100,000道尔顿的水溶性或水分散性聚合物和每克聚合物不小于4毫当量的阴离子电荷密度; 所述防晒组合物满足以下规格：i）基于防晒组合物的重量，体内防晒因子（SPF）为其中所含的防晒活性物的重量百分比的1.8倍; 和ii）组合物的剪切稀化指数与其中包含的弱酸性聚合物相比不含聚合物大5％或更高，剪切稀化指数定义为防晒组合物在0.5rpm和20rpm下的粘度比，在布鲁克菲尔德RVT粘度计在25℃下测量，使用纺锤7，将组合物冷却至室温并将其在该温度下储存约24小时。

2. 发明申请

US20070151931A1 Nonviscous aqueous dispersion compositions of water-swellable layered silicates and the method of producing the same 审中-公开
标题翻译：水溶胀性层状硅酸盐的非粘性水性分散体组合物及其制造方法
公开(公告)号：US20070151931A1
公开(公告)日：2007-07-05
申请号：US11710765
申请日：2007-02-26
申请人： Ashoke SenGupta , Jerald Darlington , Jennifer Gould , Ilona Lin
发明人： Ashoke SenGupta , Jerald Darlington , Jennifer Gould , Ilona Lin
IPC分类号： C02F1/52 , C08K9/04
CPC分类号： C08K3/34 , A61K8/26 , A61K8/817 , A61K2800/5426 , A61Q5/06 , C02F1/5236 , C02F1/56 , C02F2103/002 , C08K3/346 , C08K7/00
摘要： Concentrated suspensions of smectite clays are obtained as either relatively “thin” or highly shear-thinning slurries that are easy to pump, by adding one or more of certain cationic polymers whose weight average molecular weight, Mw, is 50,000 or higher. It was found during the course of the invention that a cationic polymer with an Mw of 10,000 did not work, while the same polymer with a bimodal Mw of 50,000 and 30,000 worked satisfactorily. To achieve the full advantage of the present invention, the cationic polymer preferably has 1 to 10 milliequivalents of cationic charge per gram of the polymer, and more preferably 5 to 10 milliequivalents of cationic charge per gram of the polymer, and most preferably 6 to 8 milliequivalents of cationic charge per gram of the polymer.
摘要翻译：通过加入一种或多种重均分子量Mw为50,000或更高的某些阳离子聚合物，获得蒙脱石粘土的浓缩悬浮液，作为易于泵送的相对“薄”或高剪切稀化浆料。在本发明的过程中发现，Mw为10,000的阳离子聚合物不起作用，而具有50,000和30,000的双峰Mw的相同聚合物工作令人满意。为了实现本发明的全部优点，阳离子聚合物优选每克聚合物具有1至10毫当量的阳离子电荷，更优选每克聚合物具有5至10毫当量阳离子电荷，最优选6至8个每克聚合物的阳离子电荷的毫当量。

3. 发明申请

US20060154836A1 Detersive compositions containing hydrophobic benefit agents pre-emulsified using sub-micrometer-sized insoluble cationic particles 失效
标题翻译：含有使用亚微米级不溶性阳离子颗粒预乳化的疏水性有益剂的洗涤组合物
公开(公告)号：US20060154836A1
公开(公告)日：2006-07-13
申请号：US11331248
申请日：2006-01-12
申请人： Ashoke SenGupta , Ilona Lin , Jason Onge
发明人： Ashoke SenGupta , Ilona Lin , Jason Onge
IPC分类号： A61Q5/02
CPC分类号： A61K8/062 , A61K8/731 , A61K8/891 , A61K2800/21 , A61K2800/5424 , A61K2800/5426 , A61K2800/594 , A61Q5/02 , A61Q5/12 , A61Q19/10
摘要： A cationic oil-in-water emulsion for addition to detersive compositions comprising a hydrophilic cationic polymer, an oil-soluble anionic polymer, and a hydrophobic benefit agent in the oil phase made by adding the benefit agent to a hydrophobic liquid; thickening the oil phase with an organophillic smectite clay reacted at clay platelet surfaces to make the clay platelet surfaces hydrophobic while the edge surfaces of the clay remain hydrophilic, such that the benefit agent is adsorbed at an oil/water interface in the emulsion, wherein the anionic polymer is capable of adsorbing the hydrophobic benefit agent at an oil/water interface of the emulsion, and the a hydrophilic, cationic polymer has a cationic nitrogen content of at least 6% by weight, that is incompatible with anionic surfactants, being insoluble in anionic-surfactant solutions containing an amount of 3% or higher of an anionic surfactant, and the hydrophilic cationic polymer has a cationic nitrogen content of at least 0.1% by weight and has a molecular weight of at least 600,000 Dalton.
摘要翻译：一种阳离子水包油乳液，用于加入除去组合物，其包含通过将有益剂添加到疏水性液体而制备的油相中的亲水性阳离子聚合物，油溶性阴离子聚合物和疏水有益剂; 使用在粘土片状表面反应的有机氧化物蒙脱石粘土增稠油相，使粘土的血小板表面疏水，而粘土的边缘表面保持亲水性，使有益剂吸附在乳液中的油/水界面，其中阴离子聚合物能够在乳液的油/水界面处吸附疏水性有益剂，并且亲水性阳离子聚合物具有至少6重量％的阳离子氮含量，其与阴离子表面活性剂不相容，不溶于含有3％以上阴离子表面活性剂的阴离子表面活性剂溶液，亲水性阳离子性聚合物的阳离子氮含量为0.1重量％以上，分子量为600,000道尔顿以上。

4. 发明申请

US20060280702A1 Stable sunscreen compositions containing zinc oxide 有权
标题翻译：含有氧化锌的稳定防晒组合物
公开(公告)号：US20060280702A1
公开(公告)日：2006-12-14
申请号：US11150053
申请日：2005-06-10
申请人： Ashoke SenGupta , Ilona Lin
发明人： Ashoke SenGupta , Ilona Lin
IPC分类号： A61K8/27
CPC分类号： A61K8/27 , A61K8/72 , A61K8/8147 , A61Q17/04
摘要： A stable, oil-in-water (O-W) emulsion-based sunscreen composition having at least one water-insoluble, organic UV-absorber having a water-solubility of much less than 0.1% by weight, contained in the oil phase of the sunscreen emulsion, comprising i) zinc oxide (ZnO) particles having a surface free of any prior coating of any inorganic oxide and hydrophobic material, remaining dispersed in the water phase of the sunscreen emulsion; ii) at least one non- or low-foaming, non-cationic, hydrophilic polymer, capable of dispersing or deflocculating the ZnO particles but incapable of thickening an aqueous composition to a viscosity of greater than 100 cps at 25° C., wherein the viscosity is measured using a Brookfield viscometer operated at 10 rpm for 15 seconds, when the polymer is added at an amount of 1%, based on the total weight of the polymer and water in the aqueous composition; iii) at least one phenolic polymer, capable of functioning as a dispersing or deflocculating agent for particulate material(s), and adsorbing at an oil-water interface; and v) a buffering agent for the water phase of the sunscreen emulsion.
摘要翻译：一种稳定的水包油（OW）乳液型防晒组合物，其具有包含在防晒霜的油相中的至少一种水不溶性有机紫外线吸收剂，其水溶性远低于0.1重量％乳液，其包含i）氧化锌（ZnO）颗粒，其表面没有任何预先涂覆任何无机氧化物和疏水性材料，保留在防晒乳液的水相中; ii）至少一种能够在25℃下分散或解聚ZnO颗粒但不能使水性组合物增稠至大于100cps的非泡沫或非发泡非亲水性聚合物，其中基于水性组合物中的聚合物和水的总重量，当聚合物以1％的量加入时，使用以10rpm操作的Brookfield粘度计测量粘度; iii）至少一种酚醛聚合物，其能够用作颗粒材料的分散或抗絮凝剂，并在油 - 水界面处吸附; 和v）防晒乳液的水相缓冲剂。

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