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    • 4. 发明申请
    • A NOVEL CONTROLLED RELEASE-NIACIN FORMULATION
    • 一种新型的控释释放制剂
    • WO2009031749A1
    • 2009-03-12
    • PCT/KR2008/002737
    • 2008-05-16
    • SEOUL PHARMA. CO., LTD.CHOI, Youn WoongMIN, Byung GuCHO, Sang Min
    • CHOI, Youn WoongMIN, Byung GuCHO, Sang Min
    • A61K47/48
    • A61K31/455A61K9/2027A61K9/2054
    • The present invention relatestoa cont rolled-re lease niacin formulation. In particular, the present invention relates to a controlled-release niacin formulation, comprising niacin; hydroxypropyl methylcellulose; and a carboxyvinyl polymer, in which the carboxyvinyl polymer and hydroxypropyl methylcellulose are contained in a predetermined weight ratio, and to a preparation method thereof. The controlled-release niacin formulation according to the present invention maintains its matrix shape until completion of release, and also release pattern without fluctuation for a desired time period, unlike other formulations. Inparticular, since niacin formulations are used for long-term treatment of hyperlipidemia, the controlled-release niacin formulation of the present invention, capable of maintaining effective blood concentration and high stability for a long period of time, is very useful.
    • 本发明涉及一种续卷烟酸制剂。 特别地,本发明涉及一种控释烟酸制剂,其包含烟酸; 羟丙基甲基纤维素; 羧基乙烯基聚合物及其制备方法,其中羧乙烯基聚合物和羟丙基甲基纤维素以预定的重量比包含。 根据本发明的控释烟酸制剂保持其基质形状直到释放完成,并且与其他制剂不同,也可以在不期望的时间段内释放出不变形的图案。 特别地,由于烟酸制剂用于高脂血症的长期治疗,因此能够长时间保持有效血液浓度和高稳定性的本发明的控制释放烟酸制剂是非常有用的。
    • 5. 发明申请
    • ORAL CONTROLLED-RELEASE DOSAGE FORMS CONTAINING ACETAMINOPHEN
    • 口服控制释放含有乙酰氨基酚的剂型
    • WO2004006904A1
    • 2004-01-22
    • PCT/KR2003/001036
    • 2003-05-27
    • SEOUL PHARM. CO., LTD.LEE, Beom-JinCAO, Qing-RiCHOI, Youn-Woong
    • LEE, Beom-JinCAO, Qing-RiCHOI, Youn-Woong
    • A61K31/165
    • A61K9/2013A61K9/2054A61K9/2059A61K31/165
    • The present invention relates to oral dosage forms containing acetaminophen. More particularly, the present invention relates to oral dosage forms containing acetaminophen as a model drug, polymer base, disintegrants and lubricant, where the water-soluble additives further are contained in the said preparations. The dosage forms of the present invention are formulated to various formulations such as tablet, compressed pellet, granule and capsule. Upon exposure to the various dissolution media, the oral dosage forms of the present invention absorb water and form a gel structure, showing rapidly release of 50 % drug within a few minutes like a commercial two-layered tablet followed by the extended release thereafter. The release rate of drug is mainly governed by the swelling and erosion rate of the polymer base together with additives incorporated in matrix tablet. Unlike the two-layered commercial tablet, the new heterodisperse and single-layered HPMC matrix tablet could be easily prepared by using conventional tablet machine. The dosage forms also provide an economical and unique preparation method.
    • 本发明涉及含有对乙酰氨基酚的口服剂型。 更具体地,本发明涉及含有对乙酰氨基酚作为模型药物,聚合物基质,崩解剂和润滑剂的口服剂型,其中所述制剂中还含有水溶性添加剂。 将本发明的剂型配制成各种制剂,例如片剂,压片剂,颗粒剂和胶囊剂。 在暴露于各种溶解介质时,本发明的口服剂型吸收水并形成凝胶结构,在几分钟内如商业双层片剂快速释放50%的药物,随后延长释放。 药物的释放速度主要由聚合物基质的膨胀和侵蚀速率以及掺入基质片剂中的添加剂所决定。 与两层商业片剂不同,新型异分散和单层HPMC基质片可以通过使用传统的压片机容易地制备。 剂型还提供了经济且独特的制备方法。
    • 6. 发明申请
    • COMPOSITION FOR THE CONTROLLED-RELEASE OF DRUGS
    • 用于控制释放药物的组合物
    • WO2012148181A3
    • 2012-12-20
    • PCT/KR2012003223
    • 2012-04-26
    • KOREA UNITED PHARM INCCHOI YOUN-WOONGCHO SANG MINMIN BYUNG GUPARK JIN HAKIM BO KYUNG
    • CHOI YOUN-WOONGCHO SANG MINMIN BYUNG GUPARK JIN HAKIM BO KYUNG
    • A61K9/22A61K9/20A61K47/30A61K47/38
    • A61K9/2054A61K9/2013A61K9/2027
    • The present invention relates to a composition for the controlled-release of drugs. More particularly, the composition for the controlled-release of drugs according to the present invention expands the capacity for the controlled-release of a matrix-type polymer for controlled-release via a carbomer in which said polymer for controlled-release forms a basic frame and in which sol-gel transition occurs in accordance with a pH level. The composition of the present invention is characterized in that it comprises: a solubilizing agent for the event the drug to be released is highly insoluble, and a disintegrating agent for sufficient initial release. The composition for the controlled-release of drugs according to the present invention uses a carbomer which maintains the controlled-release of conventional matrix structures having polymers for controlled-release and which has sol-gel transition properties, thus preventing a sudden release of a drug caused by a collapse of the matrix structure during a late stage of elution. In addition, the composition of the present invention uses a solubilizing agent to solve the problem of a highly insoluble drug failing to dissolve even after being released, and also uses a disintegrating agent to improve the speed of the initial release, which is the limiting factor in controlled-release preparations.
    • 本发明涉及用于药物控制释放的组合物。 更具体地说,根据本发明的用于药物控制释放的组合物通过卡波姆扩大了用于控制释放的基质型聚合物的释放能力,其中所述控释聚合物形成基本框架 并且其中根据pH水平发生溶胶 - 凝胶转变。 本发明的组合物的特征在于,它包括:用于释放药物高度不溶性的增溶剂,以及用于充分初始释放的崩解剂。 根据本发明的用于药物控制的组合物使用卡波姆,其维持具有用于控制释放的聚合物的常规基质结构的控制释放,并且具有溶胶 - 凝胶转变特性,从而防止药物的突然释放 由洗脱后期的基体结构的崩溃引起的。 此外,本发明的组合物使用增溶剂来解决即使在剥离后不能溶解的高度不溶性药物的问题,并且还使用崩解剂来提高初始释放的速度,这是限制因素 在控释制剂中。