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    • 12. 发明授权
    • Roll up door
    • 卷起门
    • US5738161A
    • 1998-04-14
    • US711205
    • 1996-09-09
    • John C. Martin
    • John C. Martin
    • E05F15/16E06B9/11E05D15/06
    • E05F15/684E05Y2800/00E05Y2900/106E06B2009/1555
    • A roll up door which may be used in the back of a van body has a plurality of panels arranged edge-to-edge with a thin flexible sheet glued to the outside face of the panels and a flexible belt attached to each pair of adjacent panels at the rear face of these panels. A roller extends from each end of each panel and is received by a generally inverted L-shaped guide track. With this arrangement, the panels may cant while moving from the vertical to the horizontal leg of the guide channels by virtue of the belts which hinge and collapse allowing the outer sheet to bend as well.
    • 可以用于厢式车身后部的卷起门具有多个面板,其边缘到边缘布置有多个薄片,该薄板粘合到面板的外表面,并且柔性带附接到每对相邻面板 在这些面板的后面。 辊从每个面板的每个端部延伸并且被大致倒置的L形导轨容纳。 利用这种布置,由于可以使外部片材弯曲的铰链和折叠的带子,这些面板可能会从引导通道的垂直方向移动到水平支腿而倾斜。
    • 13. 发明授权
    • Vinyl ethers of nucleoside analogs
    • 核苷类似物的乙烯基醚
    • US5696265A
    • 1997-12-09
    • US488340
    • 1995-06-07
    • Choung Un KimJohn C. MartinBing Uh LuhPeter F. Misco
    • Choung Un KimJohn C. MartinBing Uh LuhPeter F. Misco
    • C07D239/54C07D405/04C07D473/00C07D473/32C07D473/40C07F9/6512C07F9/6558C07F9/6561C07F9/6571C07H19/04C07H19/10C07H19/20A61K31/52C07D473/18C07D473/34C07D473/30
    • C07D239/54C07D405/04C07D473/00C07D473/32C07D473/40C07F9/65121C07F9/65586C07F9/65616C07F9/657181C07H19/04C07H19/10C07H19/20
    • Provided are compounds of the following formulae: A phosphonomethoxymethyoxymethyl purine/pyrimidine derivative of the formula ##STR1## wherein X and X' are the same or different and are hydrogen or alkyl. R and R' are the same or different and are hydrogen, alkyl, hydroxyalkyl or alkanoyl and B is a purine or pyrimidine base. A 4'-phosphonomethoxytetrahydrofuranyl-1'-purine-pyrimidine of the formula ##STR2## wherein X and X' are the same or different and are hydrogen or alkyl, Y and Z are the same or different and are hydrogen, hydroxyl or alkyl or Y+Z is an alkenyl, an epoxide or cyclopropyl, and B is a purine or pyrimidine base. A compound of the formula (V) ##STR3## wherein B is cytosine, 5-ethylcytosine, 5-methylcytosine, thymine, uracil, 5-chlorouracil, 5-bromouracil, 5-ethyluracil, 5-iodouracil, 5-propyluracil, 5-vinyluracil, hypoxanthine, xanthine, guanine, 8-bromoguanine, 8-chloroguanine, 8-methylguanine, 8-thioguanine, 3-deazaguanine, purine, 2-aminopurine, 2,6-diaminopurine, adenine, 3-deazaadenine, 8-aminoguanine, 8-hydrazinoguanine, 8-hydroxyguanine, or 2-acetamido-6-diphenylcarbamoylpurine; and the pharmaceutically acceptable salts thereof.
    • 本发明提供下式的化合物:下式的膦酰甲氧基甲氧基甲氧基甲基嘌呤/嘧啶衍生物,其中X和X'相同或不同,为氢或烷基。 R和R'相同或不同,为氢,烷基,羟基烷基或烷酰基,B为嘌呤或嘧啶碱基。 其中X和X'相同或不同且为氢或烷基,Y和Z相同或不同,为氢,羟基或烷基的4'-膦基甲氧基四氢呋喃基-1'-嘌呤嘧啶, Y + Z是烯基,环氧化物或环丙基,B是嘌呤或嘧啶碱基。 式(V)化合物其中B为胞嘧啶,5-乙基胞嘧啶,5-甲基胞嘧啶,胸腺嘧啶,尿嘧啶,5-氯尿嘧啶,5-溴尿嘧啶,5-乙基尿嘧啶,5-碘尿嘧啶,5-丙基尿嘧啶, 5-乙酰尿嘧啶,次黄嘌呤,黄嘌呤,鸟嘌呤,8-溴鸟嘌呤,8-氯鸟嘌呤,8-甲基鸟嘌呤,8-硫鸟嘌呤,3-脱氮鸟嘌呤,嘌呤,2-氨基嘌呤,2,6-二氨基嘌呤,腺嘌呤,3-脱氮腺嘌呤,8-氨基鸟嘌呤, 8-肼基鸟嘌呤,8-羟基鸟嘌呤或2-乙酰氨基-6-二苯基氨基甲酰基嘌呤; 及其药学上可接受的盐。