会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 24. 发明授权
    • Pseudoceramides, and dermatologic external preparations containing the same
    • 假甲酰胺和含有它们的皮肤外用制剂
    • US06221371B1
    • 2001-04-24
    • US09308031
    • 1999-05-10
    • In-sub BaikJong-gi LeeByeong-deog ParkYoon KimMyung-jin Lee
    • In-sub BaikJong-gi LeeByeong-deog ParkYoon KimMyung-jin Lee
    • A61K600
    • A61Q19/00A61K8/68A61Q5/00A61Q5/02A61Q17/00A61Q19/08C07C235/08C07C235/74C07H15/12
    • The present invention relates to pseudoceramide derivatives represented by formula(I) or (II): R1—COCHR2CONR3R4  (I) R1—CH(OH)CHR2CONR3R4  (II) wherein, each of R1 and R2 represents linear or branched alkyl group or alkenyl group having 6˜22 carbon atoms; each of R3 and R4 represents hydrogen, methyl, ethyl, propyl, or linear or branched C2˜C6 alkyl group having one or more hydroxyl group(s), or monosaccharide, a process for preparing the same, and dermatologic external preparations containing the same. When the pseudoceramide derivatives according to the present invention are applied in an dermatologic external preparations the moisture-retaining property and resilience of skin and hair is enhanced such so that the derivatives are useful in protection of skin-aging. In addition, the derivatives are useful for inducing the formation of lipid layer on damaged skin and for preventing the inhibition of lipid synthesis.
    • 本发明涉及由式(I)或(II)表示的假花生酰胺衍生物:其中,R1和R2各自表示具有6〜22个碳原子的直链或支链烷基或烯基; R 3和R 4各自表示氢,甲基,乙基,丙基或具有一个或多个羟基或单糖的直链或支链C 2 -C 6烷基,其制备方法和含有该羟基的皮肤外用制剂 。 当根据本发明的假心外酰胺衍生物应用于皮肤外用制剂时,皮肤和毛发的保湿性和弹性得到增强,使得衍生物可用于保护皮肤老化。 此外,该衍生物可用于诱导损伤皮肤上形成脂质层并防止脂质合成的抑制。
    • 29. 发明授权
    • Polysulfone, electrolyte membrane using the same, and fuel cell using the electrolyte membrane
    • 聚砜,使用其的电解质膜,以及使用电解质膜的燃料电池
    • US08026339B2
    • 2011-09-27
    • US11756735
    • 2007-06-01
    • Chung-kun ChoMyung-jin LeeMyeong-soon Kang
    • Chung-kun ChoMyung-jin LeeMyeong-soon Kang
    • C08G75/00
    • C08L81/06C08G75/23C08L63/00H01M8/1027H01M8/103H01M8/1032H01M8/1039H01M8/1044H01M8/1048H01M8/1072H01M2300/0082Y02P70/56Y10S525/906C08L2666/22
    • A polysulfone is provided with a nitrogen-containing functional group having an affinity to an acid, an electrolyte membrane using the polysulfone, and a fuel cell including the electrolyte membrane. In particular, the polysulfone includes a nitrogen-containing functional group that has an affinity to an acid, such as a phosphoric acid, thereby having an excellent acid retaining ability. In an electrolyte membrane including the polysulfone and an acid, the amount of the retained acid can be controlled. Therefore, the electrolyte membrane has a high ionic conductivity and a high mechanical strength. A polysulfone blend of polysulfone and a thermoplastic resin prevents the dissolution of polysulfone by phosphoric acid, so that an electrolyte membrane using the polysulfone blend has an improved durability. A cross-linked reaction product of polysulfone, a cross-linking agent and a polymerization product of polysulfone, a thermoplastic resin, and a cross-linking agent strongly resist a phosphoric acid. Thus, a fuel cell using these polymerization products has a long lifetime and can operate at a high temperature and at a high efficiency.
    • 聚砜具有对酸具有亲和性的含氮官能团,使用聚砜的电解质膜和包含电解质膜的燃料电池。 特别地,聚砜包括与酸如磷酸具有亲和性的含氮官能团,因此具有优异的酸保留能力。 在包含聚砜和酸的电解质膜中,可以控制保留的酸的量。 因此,电解质膜具有高离子传导性和高机械强度。 聚砜和热塑性树脂的聚砜共混物防止磷酸溶解聚砜,使得使用聚砜共混物的电解质膜具有改善的耐久性。 聚砜,交联剂和聚砜,热塑性树脂和交联剂的聚合产物的交联反应产物强烈地抵抗磷酸。 因此,使用这些聚合产物的燃料电池具有长的使用寿命并且可以在高温和高效率下运行。