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    • 6. 发明授权
    • Controlled release solid dosage carbamazepine formulations
    • 可控释放固体剂量卡马西平配方
    • US06572889B1
    • 2003-06-03
    • US10092826
    • 2002-03-07
    • Jian-Hwa Guo
    • Jian-Hwa Guo
    • A61K922
    • A61K9/2077A61K9/1635A61K9/2027A61K31/55
    • A polymer or copolymer composition derived from one or more unsaturated carboxylic acids that is cross-linked and carbamazepine in conjunction with conventional materials such as fillers, excipients, and surface active agents is disclosed. Solid dosage forms of immediate and sustained release tablets containing the polymer or copolymer composition can be formed by wet granulation or wet granulation followed by blending with direct compression ingredients. The polymer or copolymer, as a controlled release agent, can enhance controlled-release properties while meeting acceptable release rates as specified by the USP.
    • 公开了一种聚合物或共聚物组合物,其衍生自一种或多种与交联的不饱和羧酸和卡马西平结合常规材料如填料,赋形剂和表面活性剂。 含有聚合物或共聚物组合物的立即和缓释片剂的固体剂型可以通过湿法制粒或湿法制粒形成,然后与直接压片成分共混。 作为控释剂的聚合物或共聚物可以在满足USP规定的可接受释放速率的同时增强控释特性。
    • 9. 发明授权
    • Hydrogels containing substances
    • 含有物质的水凝胶
    • US06723781B1
    • 2004-04-20
    • US09650926
    • 2000-08-29
    • Dean M. FrateJian-Hwa Guo
    • Dean M. FrateJian-Hwa Guo
    • C08L3302
    • A61K9/7023Y10S524/916
    • A blend of one or more crosslinked polymers or copolymers prepared from an olefinically unsaturated polymerizable carboxylic or anhydride monomer and at least one high molecular weight essentially linear polymer prepared from an olefinically unsaturated polymerizable carboxylic acid monomer. The blend is neutralized to typically a low pH, and generally contains a noncovalent, e.g. ionic, crosslinking agent, and a cure rate modifier. The hydrogel blend is capable of containing a large amount of water, has good tack, good adhesion, and can be utilized as an application vehicle having a backing thereon as well as containing various substances such as personal care compounds, pharmaceuticals, active ingredients, and the like. Conversely, the hydrogel blend can be dried and subsequently wetted without substantial loss of properties.
    • 由烯属不饱和可聚合的羧酸或酸酐单体制备的一种或多种交联聚合物或共聚物的共混物和由烯属不饱和可聚合羧酸单体制备的至少一种高分子量基本上线性的聚合物。 共混物被中和至通常的低pH值,并且通常含有非共价键。 离子交联剂和固化速率改性剂。 水凝胶共混物能够含有大量的水,具有良好的粘着性,良好的粘合性,并且可以用作其上具有背衬的应用载体,并且可以含有各种物质,例如个人护理化合物,药物,活性成分和 类似。 相反地​​,水凝胶共混物可以被干燥并随后润湿而没有显着的性能损失。