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    • 31. 发明申请
    • Quick disintegrating tablet in buccal cavity and production process thereof
    • 颊腔快速崩解片及其制作方法
    • US20050100598A1
    • 2005-05-12
    • US10961875
    • 2004-10-07
    • Takao MizumotoYoshinori MasudaAtsushi KajiyamaMasahiro YanagisawaJanaki Ram Nyshadham
    • Takao MizumotoYoshinori MasudaAtsushi KajiyamaMasahiro YanagisawaJanaki Ram Nyshadham
    • A61K9/00A61K9/20A61K47/26A61K47/36H04L12/44H04L29/06H04L29/08
    • H04L12/44A61K9/0056A61K9/2018A61K9/2095H04L29/06H04L67/12H04L67/26H04L69/08H04L69/329
    • The present invention relates to a quick disintegrating tablet in buccal cavity, comprising: a mixture, comprising a drug, a sugar (A), and an amorphous sugar (B), and after it is forming a tablet, it is humidified and dried. In particularly, the present invention relates to a quick disintegrating tablet in buccal cavity comprising: a mixture; comprising a drug, a sugar (A), and an amorphous sugar (B) which an amorphous-forming sugar in crystalline state is dissolved in a medicinally permitted solvent, the amorphous sugar is obtained from this solution by removing the solvent, and after it is forming a tablet, and it is humidified and dried. The tablet in the present invention is to provide stability against moisture at preserved, because the amorphous sugar changed to the crystalline state in a nonreversible reaction after it is humidified and dried in a manufacturing process. The tablet in the present invention is to further provide a design for the pharmaceutical preparation with respect to the stability of a drug, because the tablet is manufactured by one kind of a sugar and an amorphous sugar. Furthermore, the tablet in the present invention is to provide a production process by utilizing a common granulating machine and by utilizing a common tablet machine.
    • 本发明涉及颊腔中的快速崩解片,其包含:包含药物,糖(A)和无定形糖(B)的混合物,在形成片剂之后,将其加湿干燥。 特别地,本发明涉及颊腔中的快速崩解片剂,其包含:混合物; 包含药物,糖(A)和无定形糖(B),其中结晶状态的无定形形成糖溶解在药物允许溶剂中,通过除去溶剂从该溶液获得无定形糖,之后 正在形成片剂,并且被加湿和干燥。 本发明中的片剂是为了提供在保存的水分中的稳定性,因为无定形糖在制造​​过程中被加湿干燥后,在不可逆反应中变为结晶状态。 本发明的片剂是为了进一步提供关于药物的稳定性的药物制剂的设计,因为片剂由一种糖和无定形糖制造。 此外,本发明中的片剂是通过利用普通的造粒机和利用普通的压片机来提供制造方法。
    • 34. 发明申请
    • Enteric sustained-release fine particles of tamsulosin and its salt and manufacturing method thereof
    • 肠溶缓慢释放的坦索罗辛缓释微粒及其盐及其制备方法
    • US20040253309A1
    • 2004-12-16
    • US10766201
    • 2004-01-27
    • Yamanouchi Pharmaceutical Co., Ltd.
    • Yoji TanijiriAkira ItoHiroya SugaoTetsuya TamuraMare NishuraShigeru YamazakiTakao Mizumoto
    • A61K009/26
    • A61K9/0056A61K9/1652A61K9/5026A61K31/18
    • The present invention relates to enteric sustained-release fine particles of tamsulosin or its salt that can be contained in tablets that disintegrate in the buccal cavity and a manufacturing method thereof. In further detail, the present invention relates to enteric sustained-release fine particles for tablets that disintegrate in the buccal cavity, which comprise (1) tamsulosin or its salt and at least (2) an enterosoluble substance, and when necessary contain (3) a water-insoluble substance, and which have the following characteristics: 1) a particle diameter of approximately 5 to 250 nullm 2) when dissolution tests are performed on tablets that disintegrate in the buccal cavity containing these particles by dissolution testing methods cited in the Japanese Pharmacopoeia, a) the dissolution rate of tamsulosin or its salt at a pH of 1.2 two hours after starting tests is 25% or less b) the time when 50% of the tamsulosin or its salt has dissolved at a pH of 6.8 is 0.5 to 5 hours, and a manufacturing method thereof.
    • 本发明涉及可以包含在颊腔中分解的片剂中的坦索罗辛或其盐的肠溶缓释微粒及其制造方法。 更详细地说,本发明涉及在颊腔中崩解的片剂的肠溶缓释微粒,其包含(1)坦洛新或其盐和至少(2)肠溶性物质,并且在必要时包含(3) 一种水不溶性物质,具有以下特征:1)粒径约5〜250μm2)当对含有这些颗粒的颊腔分解的片剂进行溶解试验时,通过日本的溶出试验方法 药典,a)在开始试验后两小时pH2.2时,坦索罗辛或其盐的溶解速率为25%以下b)当pH值为6.8时,坦索罗辛或其盐50%溶解的时间为0.5〜 5小时及其制造方法。
    • 39. 发明授权
    • Inhibitor of kainic acid neurotoxicity and pyridothiazine derivative
    • 红藻氨酸神经毒性抑制剂和吡啶并噻嗪衍生物
    • US6133258A
    • 2000-10-17
    • US68534
    • 1998-05-13
    • Jun-ichi ShishikuraHiroshi InamiTomoyuki YasunagaMasaaki HiranoShuichi SakamotoKazushige OhnoMasamichi OkadaShin-ichi Tsukamoto
    • Jun-ichi ShishikuraHiroshi InamiTomoyuki YasunagaMasaaki HiranoShuichi SakamotoKazushige OhnoMasamichi OkadaShin-ichi Tsukamoto
    • A61K31/5415A61K31/542C07D513/04
    • A61K31/5415
    • Neuroprotective agents based on inhibition of kainic acid neurotoxicity and compounds useful as neuroprotective agents based on inhibition of kainic acid neurotoxicity. An inhibitors of kainic acid neurotoxicity, comprising as an active ingredient a pyridothiazine derivative represented by the following general formula (I) or a pharmaceutically acceptable salt thereof, and a pyridothiazine derivative represented by the following general formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein symbols in the formula have the following respective meanings: the ring A: a pyridine ring; ##STR2## R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 may be the same or different and each represent a hydrogen atom or a lower alkyl, cycloalkyl, alkenyl, aryl, carboxyl or lower alkoxycarbonyl group which may have substituent(s), or are not present, with the proviso that R.sup.2 and R.sup.3 may together form a nitrogen-containing heterocyclic group which may have nitrogen atoms as another hetero atom, may be fused with a benzene ring and may have a lower alkyl group as a substituent.
    • PCT No.PCT / JP96 / 03339 Sec。 371日期1998年5月13日 102(e)日期1998年5月13日PCT 1996年11月14日PCT PCT。 出版物WO97 / 17970 日期1997年5月22日基于抑制红藻氨酸神经毒性的神经保护剂和基于抑制红藻氨酸神经毒性作用的神经保护剂的化合物。 作为活性成分的红藻氨酸神经毒性抑制剂,含有下述通式(I)所示的吡哆噻嗪衍生物或其药学上可接受的盐,以及下述通式(I)表示的吡哒嗪衍生物或其药学上可接受的盐 其中式中的符号具有以下各自的含义:环A:吡啶环; R 1,R 2,R 3,R 4和R 5可以相同或不同,各自表示氢原子或可以具有取代基或不存在的低级烷基,环烷基,烯基,芳基,羧基或低级烷氧基羰基, 条件是R2和R3可以一起形成可以具有氮原子作为另一个杂原子的含氮杂环基,可以与苯环稠合并且可以具有低级烷基作为取代基。