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    • 2. 发明授权
    • Modification of wood
    • 修改木材
    • US5652026A
    • 1997-07-29
    • US653026
    • 1996-05-24
    • Shiro SakaHisashi MiyafujiFumie TannoAkira YamamotoMasaki TanakaKenji Yamamoto
    • Shiro SakaHisashi MiyafujiFumie TannoAkira YamamotoMasaki TanakaKenji Yamamoto
    • B27K3/15B05D7/06
    • B27K3/15C08L97/02C08L83/08
    • Wood is modified by impregnating wood with a methylsiloxane oligomer and heating the impregnated wood to cure the oligomer. The oligomer is of the average compositional formula: (CH.sub.3 SiO.sub.3/2).sub.m (MO.sub.3/2).sub.n or [CH.sub.3 SiO.sub.3/2 ].sub.x [(CH.sub.3).sub.a SiO.sub.(4-a)/2 ].sub.y [MO .sub.3/2 ].sub.z wherein M is P, PO and/or B, m and n are positive numbers with an average ratio of m:n ranging from 99:1 to 50:50, x, y, and z are positive numbers with an average ratio of (x+y):z ranging from 99:1 to 50:50 and an average ratio of x:y ranging from 99:1 to 50:50, and a is 2 or 3, and has a hydroxyl group and/or an alkoxyl group at a terminal end. This treatment of wood is safe. Since the methylsilicone resins thus incorporated and fixed within wood are not leached out in water, the modified wood maintains flame retardance for a very long time upon exposure to rain and dew and has water repellence, decay resistance and dimensional stability.
    • 木材通过用甲基硅氧烷低聚物浸渍木材进行改性,并加热浸渍的木材以固化低聚物。 低聚物具有平均组成式:(CH 3 SiO + E,3/2 + EE)m(MO + E,3/2 + EE)n或[CH 3 SiO + E,3/2 + EE] (CH3)aSiO(4-a)/ 2] y [MO + E,fra 3/2 + EE] z其中M是P,PO和/或B,m和n是正数, n的范围从99:1至50:50,x,y和z是正数,平均比例为(x + y):z为99:1至50:50,平均比例x:y范围为 99:1-50:50,a为2或3,末端具有羟基和/或烷氧基。 这种木材的处理是安全的。 由于在木材中结合并固定的甲基硅氧烷树脂不会在水中浸出,所以改性木材在暴露于雨水和露水后保持很长时间的阻燃性,并具有防水性,耐腐蚀性和尺寸稳定性。
    • 3. 发明授权
    • Process for producing a pharmaceutical solid preparation containing a poorly soluble drug
    • 制备含有难溶性药物的药物固体制剂的方法
    • US06872336B2
    • 2005-03-29
    • US10232631
    • 2002-08-30
    • Fumie TannoYuichi Nishiyama
    • Fumie TannoYuichi Nishiyama
    • A61J3/06A61K9/14A61K9/16A61K31/4422A61K47/10A61K47/14A61K47/32A61K47/38B29B9/00
    • A61K9/1652A61K9/143A61K9/145A61K9/146A61K9/1617A61K9/1623A61K9/1676
    • Among the conventional processes for producing solid dispersion, the solid dispersion obtained by a solvent method is excellent in terms of solubility and bioavailability of a poorly soluble drug. However, due to frequent uses of organic solvents in the solvent method, problems have arisen such as organic solvent residue in products, environmental pollution and operational safety as well as corporate problems such as capital investment and the like required to avoid such events. The present invention provides a process for preparing pharmaceutical solid preparations without use of organic solvents frequently used in conventional solvent methods. Specifically, the present invention provides a process for producing a pharmaceutical solid preparation, which is formulated by spraying a solution wherein a poorly soluble drug is dissolved in a plasticizer, and an aqueous solution and/or water dispersion of a water-soluble polymer from nozzle outlets simultaneously and separately in the process for producing the pharmaceutical solid preparation.
    • 在固体分散体的常规方法中,通过溶剂法得到的固体分散体在难溶性药物的溶解性和生物利用度方面是优异的。 然而,由于溶剂法中有机溶剂的使用频繁,产生有机溶剂残留,环境污染,作业安全等问题,以及避免此类事件所需的企业资本投入等问题。 本发明提供了制备药物固体制剂的方法,而不使用常规溶剂方法中常用的有机溶剂。 具体地说,本发明提供一种药物固体制剂的制造方法,其通过将难溶性药物溶解于增塑剂中的溶液喷雾而制备,将来自喷嘴的水溶性聚合物的水溶液和/或水分散体 出口在生产药物固体制剂的过程中同时和分开。
    • 7. 发明授权
    • Solid preparation containing low-substituted hydroxypropyl cellulose and production process thereof
    • 含有低取代羟丙基纤维素的固体制剂及其制备方法
    • US06559134B2
    • 2003-05-06
    • US09811046
    • 2001-03-16
    • Fumie TannoSakae Obara
    • Fumie TannoSakae Obara
    • A61K31715
    • A61K9/2018A61K9/0056A61K9/2054
    • Provided are a solid preparation which rapidly disintegrates in the oral cavity when taken together with the saliva in the oral cavity or a small amount of water, can be prepared easily and has strength enough to retain its formability upon production or during distribution; and a production process of the solid preparation. Specifically, provided are a solid preparation comprising a low-substituted hydroxypropyl cellulose having a loose bulk density of 0.40 g/ml or greater and a tapped bulk density of 0.60 g/ml or greater, and a sugar and/or sugar alcohol; and a production process of the solid preparation. Also provided are a solid preparation comprising a low-substituted hydroxypropyl cellulose having a volume-average particle size as measured by the dry laser diffraction method of 25 &mgr;m or less which is obtained by pulverizing a low-substituted hydroxypropyl cellulose having a loose bulk density of 0.40 g/ml or greater, a tapped bulk density of 0.60 g/ml or greater, and a volume average particle size of 30 &mgr;m or greater—and a sugar and/or sugar alcohol; and a production process of the solid preparation.
    • 提供了一种固体制剂,其与口腔中的唾液或少量的水一起在口腔中快速崩解,并且具有足够的强度以在生产或分配期间保持其成型性; 和固体制剂的生产方法。 具体地说,提供了一种固体制剂,其包含松散堆积密度为0.40g / ml或更高的松散堆积密度为0.60g / ml或更大的低取代羟丙基纤维素,以及糖和/或糖醇; 和固体制剂的生产方法。 还提供了一种固体制剂,其包含通过干激光衍射法测量的体积平均粒径为25μm或更小的低取代羟丙基纤维素,其通过粉碎具有松散体积密度的低取代羟丙基纤维素 0.40g / ml或更大,堆芯密度为0.60g / ml或更大,体积平均粒径为30μm或更大,以及糖和/或糖醇; 和固体制剂的生产方法。