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    • 4. 发明授权
    • Amino acid derivatives and anti-inflammatory agents
    • 氨基酸衍生物和抗炎剂
    • US06552061B1
    • 2003-04-22
    • US09285390
    • 1999-04-02
    • Manabu KitazawaKeiji IwasakiEiji Shiojiri
    • Manabu KitazawaKeiji IwasakiEiji Shiojiri
    • C07C22928
    • C07D233/64C07C229/14C07C229/22C07C229/34C07C237/06C07C237/20C07D207/28
    • Provided are an anti-inflammatory agent containing, as an active ingredient, at least one selected from amino acid derivatives represented by formula (I) wherein Ar represents an optionally substituted 2-hydroxyaryl group, n is 0 or 1, R2 represents a hydrogen atom or a side chain of an &agr;-amino acid or &bgr;-amino acid, X represents —O— or —NH—, R1 represents a hydrogen atom or a group that forms, together with R2 and an adjacent atoms, a cyclic structure of pyroglutamic acid, and R3 represents a hydrogen atom, an alkyl group having from 1 to 22 carbon atoms or an alkenyl group having from 2 to 22 carbon atoms, and salts thereof, and toiletries or skin external products containing the same. The anti-inflammatory agent of the invention inhibits expression of an inflammatory protein and activation of a gene transcription control factor that participates therein, and exhibits a good feeling upon use and a safety.
    • 提供含有选自由式(I)表示的氨基酸衍生物中的至少一种作为活性成分的抗炎剂,其中Ar表示任选取代的2-羟基芳基,n为0或1,R 2表示氢原子 或α-氨基酸或β-氨基酸的侧链,X表示-O-或-NH-,R1表示氢原子或与R2和相邻原子一起形成焦谷氨酸的环状结构的基团 酸,R3表示氢原子,具有1至22个碳原子的烷基或具有2至22个碳原子的烯基,以及其盐,以及含有它们的化妆品或皮肤外用产品。 本发明的抗炎剂抑制炎症蛋白的表达和参与其中的基因转录控制因子的活化,并且在使用时表现出良好的感觉和安全性。
    • 9. 发明授权
    • Homokinetic tripod joint
    • 人体动物三脚架关节
    • US4786270A
    • 1988-11-22
    • US46322
    • 1987-05-06
    • Keiji Iwasaki
    • Keiji Iwasaki
    • B60K17/30F16D3/205F16D3/20
    • F16D3/2055F16D2003/2026Y10S464/905
    • A homokinetic tripod type universal joint including a tripod member having three trunnions, with a roller rotatably mounted on each trunnion is mounted in an outer member. The roller consists of an inside ring and an outside ring wherein contact is established between a spherical outer periphery of the inside ring and a cylindrical inner periphery of the outside ring. The outside ring is guided in a direction parallel with the axis of the outer member by guide surfaces provided internally of grooves formed on the outer member. This arrangement helps to reduce sliding resistance, temperature rise and vibrations due to induced thrust.
    • 包括具有三个耳轴的三脚架构件和可旋转地安装在每个耳轴上的滚子的同轴三脚架型万向接头安装在外部构件中。 辊由内圈和外圈构成,其中在内圈的球形外周和外圈的圆柱形内周之间建立接触。 通过设置在外部构件上形成的槽内部的引导表面,外环在与外部构件的轴线平行的方向上被引导。 这种布置有助于减少滑动阻力,温度上升和由于诱导推力引起的振动。