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    • 3. 发明申请
    • SUNSCREEN COMPOSITION
    • SUNSCREEN组合物
    • WO2008022970A1
    • 2008-02-28
    • PCT/EP2007/058572
    • 2007-08-17
    • UNILEVER PLCUNILEVER N.V.HINDUSTAN UNILEVER LIMITEDBHUNIA, PrasenjitPRAMANIK, AmitavaRAMAN, Srinivasa, Gopalan
    • BHUNIA, PrasenjitPRAMANIK, AmitavaRAMAN, Srinivasa, Gopalan
    • A61K8/35A61K8/36A61K8/58A61Q17/04
    • A61K8/35A61K8/19A61K8/29A61K8/37A61K2800/58A61Q17/04
    • It has been reported that many organic sunscreens lose their efficacy on exposure to UV rays. Further some of the organic sunscreens are known to interact with each other when applied on the skin with or without exposure to UV radiation. Thus such compositions are not stable. They are not very effective in blocking the UV-rays a few minutes or hours after the product has been applied to the skin. Further when such compositions are used and then exposed to sunlight or UV rays, the period over which the skin is actually protected is very short, while the consumer is under the mistaken impression that the composition is protecting his/her skin. This false impression can lead to the consumer exposing himself/herself more to sunlight thereby getting more damage to the skin. A solution to the foregoing problem is provided by a stable sunscreen composition comprising: (a) a complex of a first organic sunscreen with a first paramagnetic metal ion; and (b) a second organic sunscreen.
    • 据报道,许多有机防晒剂在暴露于紫外线下失去功效。 另外一些已知的有机防晒剂在用或不暴露于紫外线辐射下施用于皮肤时彼此相互作用。 因此,这样的组合物不稳定。 它们在产品施用于皮肤后几分钟或几小时内不会非常有效地阻挡紫外线。 此外,当使用这些组合物然后暴露于阳光或紫外线时,实际保护皮肤的时间是非常短的,而消费者的组合物正在保护其皮肤的错误印象。 这种错误的印象可能导致消费者将自己更多地暴露在阳光下,从而对皮肤造成更多的伤害。 上述问题的解决方案由稳定的防晒组合物提供,包括:(a)第一有机防晒剂与第一顺磁性金属离子的络合物; 和(b)第二有机防晒剂。
    • 5. 发明申请
    • WATER CLARIFICATION COMPOSITION CONTAINING AMPHOTERIC POLYMER
    • 含有两性聚合物的水澄清组合物
    • WO2018065210A1
    • 2018-04-12
    • PCT/EP2017/073659
    • 2017-09-19
    • UNILEVER N.V.UNILEVER PLCCONOPCO, INC., d/b/a UNILEVER
    • PRAMANIK, AmitavaRAMAN, Srinivasa, GopalanROYCHOWDHURY, Sumana
    • C02F1/56B01D21/01C11D1/90C02F1/52
    • Disclosed is a water clarification composition comprising: (i) 0.1 to 50 % by weight of dry matter of anionic polymeric flocculant; (ii) 0.4 to 90 % by weight of dry matter of an amphoteric polymer having a molecular weight of at least 5,000 Da, said amphoteric polymer being characterized in that at least 30%, preferably at least 50% of the monomeric units of the amphoteric polymer are betaine units represented by the following formula (I): H 2 C=C(R 1 )-C(O)O-(CH 2 ) n -N + (R 2 )(R 3 )-(CH 2 ) p -X where: R 1 represents a hydrogen atom or a linear or branched C 1 to C 6 alkyl group; R 2 and R 3 , independently of each other, represent an alkyl, hydroxyalkyl or aminoalkyl group in which the alkyl group is a linear or branched C 1 to C 6 alkyl; n is an integer in the range of 1 to 4; p is an integer in the range of 2 to 8; - X represents COO - , SO 3 - or OSO 3 - ; and (iii) 0 to 95 % by weight of dry matter of inert filler; wherein the combination of the anionic polymer flocculant, the amphoteric polymer and the inert filler constitutes at least 50 % by weight, preferably at least 70 % by weight of the water clarification composition, wherein the amphoteric polymer exists in a ratio to the anionic polymer flocculant, and wherein the ratio is selected from 3:1, 4:1, or 5:1. This composition is effective at removing turbidity in water, especially in the absence of metal flocculants and metal coagulants.
    • 公开了一种水澄清组合物,其包含:(i)0.1至50重量%的干物质阴离子聚合物絮凝剂; (ii)0.4至90重量%的干物质,其分子量至少为5,000Da,所述两性聚合物的特征在于至少30%,优选至少50%的两性单体单元 聚合物是由下式(I)表示的甜菜碱单元:H 2 C = C(R 1)-C(O)O-(CH 2) /子>)<子>名词 -N + (R 2 )(R 3 ) - (CH <子> 2)其中:R 1代表氢原子或直链或支链C 1 -C 4烷基, 6烷基; R 2和R 3彼此独立地代表烷基,羟烷基或氨烷基,其中烷基是直链或支链的C 1 - C 1-6烷基; C 1-6烷基; C 1-6烷基; n是1至4范围内的整数; p是2至8范围内的整数; - X代表COO - ,SO 3 - 或OSO 3 - ; 和(iii)0-95重量%的惰性填料干物质; 其中阴离子聚合物絮凝剂,两性聚合物和惰性填料的组合构成水澄清组合物的至少50重量%,优选至少70重量%,其中两性聚合物以与阴离子聚合物絮凝剂 并且其中所述比率选自3:1,4:1或5:1。 这种组合物对于去除水中的浊度是有效的,特别是在不存在金属絮凝剂和金属凝结剂的情况下。