Pharmaceutical compositions for topical use containing hyaluronic acid and its derivatives
    24.
    发明授权
    Pharmaceutical compositions for topical use containing hyaluronic acid and its derivatives 失效
    含有透明质酸及其衍生物的局部用药物组合物

    公开(公告)号:US06509322B2

    公开(公告)日:2003-01-21

    申请号:US09290873

    申请日:1999-04-14

    IPC分类号: A61K3170

    摘要: The present invention is drawn to a pharmaceutical composition, comprising a pharmaceutically effective amount of an acidic polysaccharide and/or a derivative thereof, a gaseous vehicle, and a pharmaceutically acceptable carrier or excipient. Said acidic polysaccharide or derivative thereof can be hyaluronic acid, a pharmaceutically acceptable salt of hyaluronic acid, a partial or total ester of hyaluronic acid with an alcohol, a partial or total intermolecular ester of hyaluronic acid, a partial or total intramolecular ester of hyaluronic acid, a cross-linked ester of hyaluronic acid, an alginic acid ester, an ester of carboxymethylcellulose, an ester of carboxymethylchitin, an ester of carboxymethyl starch, a gellan ester, a cross-linked gellan ester, a pectic acid ester, and a pectinic acid ester. The composition can contain one or more topical drugs, and can be in the form of an aerosol or liquid spray, a foam, or a dry spray. The composition is useful in the treatment of a variety of pathological situations requiring the acceleration of tissue repair, for example in the treatment of burns, sores, ulcerations, and wounds. Also provided is a therapeutic method, comprising topically administering a pharmaceutical composition comprising a pharmaceutically effective amount of an acidic polysaccharide and/or a derivative thereof in association with a gaseous vehicle and a pharmacologically acceptable excipient, and optionally, one or more topical drugs.

    摘要翻译: 本发明涉及药物组合物,其包含药学上有效量的酸性多糖和/或其衍生物,气态赋形剂和药学上可接受的载体或赋形剂。 所述酸性多糖或其衍生物可以是透明质酸,透明质酸的药学上可接受的盐,透明质酸与醇的部分或全部酯,透明质酸的部分或全部分子间酯,透明质酸的部分或全部分子内的酯 ,透明质酸的交联酯,藻酸酯,羧甲基纤维素的酯,羧甲基壳氨酸的酯,羧甲基淀粉的酯,结冷胶的酯,交联的吉兰糖酯,果胶酸酯和果胶 酸酯。 组合物可以含有一种或多种局部药物,并且可以是气雾剂或液体喷雾剂,泡沫剂或干燥喷雾剂的形式。 该组合物可用于治疗需要加速组织修复的各种病理状况,例如在治疗烧伤,疮,溃疡和伤口中。 还提供了一种治疗方法,其包括与气态赋形剂和药理学上可接受的赋形剂以及任选的一种或多种局部药物相结合地局部施用包含药学有效量的酸性多糖和/或其衍生物的药物组合物。

    Coatings based on hyaluronic acid and the derivatives thereof for the protection of electronic parts from external agents
    25.
    发明授权
    Coatings based on hyaluronic acid and the derivatives thereof for the protection of electronic parts from external agents 失效
    基于透明质酸的涂料及其衍生物,用于保护电子部件免受外部试剂的影响

    公开(公告)号:US06428903B1

    公开(公告)日:2002-08-06

    申请号:US09403144

    申请日:1999-12-20

    IPC分类号: B32B900

    摘要: There are disclosed electronic or microelectronic components having on at least a portion of a surface thereof a coating containing hyaluronic acid or a derivative thereof wherein said coating has the ability to inhibit adhesion of microorganisms and formation of biofilms. Also disclosed are methods of inhibiting corrosion and changes in electrical conductivity by inhibiting biofilm formation on electronic or microelectronic components by applying a coating containing hyaluronic acid or a derivative thereof directly onto the surface of said components.

    摘要翻译: 公开了在其表面的至少一部分上具有含有透明质酸或其衍生物的涂层的电子或微电子部件,其中所述涂层具有抑制微生物粘附和生物膜形成的能力。 还公开了通过将含有透明质酸或其衍生物的涂层直接施加到所述部件的表面上来抑制电子或微电子部件上的生物膜形成来抑制腐蚀和导电性变化的方法。

    Biomaterial comprising hyaluronic acid and derivatives thereof in
interpenetrating polymer networks (IPN)
    30.
    发明授权
    Biomaterial comprising hyaluronic acid and derivatives thereof in interpenetrating polymer networks (IPN) 失效
    包含透明质酸及其衍生物在互穿聚合物网络(IPN)中的生物材料

    公开(公告)号:US5644049A

    公开(公告)日:1997-07-01

    申请号:US367137

    申请日:1995-02-23

    摘要: Provided is a biomaterial comprising an interpenetrating polymer network (IPN), wherein one of the polymer components is an acidic polysaccharide or a semi-synthetic derivative thereof. The polysaccharide can be hyaluronic acid, and the second polymer component can be a non-toxic, non-carcinogenic synthetic chemical polymer. The derivative can be a total or partial hyaluronic acid ester or a hyaluronic acid salt. The ester or salt can be formed with a pharmacologically active molecule. Methods for preparing the IPN are also disclosed. The acidic polysaccharide or derivative thereof and the synthetic chemical polymer comprising the IPN can be cross-linked, or the synthetic chemical polymer can be grafted onto the acidic polysaccharide. The cross-linking or grafting can be achieved using compounds capable of generating radicals, or via functional groups on the acidic polysaccharide and the synthetic chemical polymer. The IPN can be formed prior to cross-linking or grafting. The IPN biomaterial can be in the form of a film, a membrane, a sponge, a hydrogel, a guide channel, a thread, a gauze, or a non-woven tissue. Such IPN biomaterials can be used in the biomedical and sanitary fields, including dermatology, urology, orthopedics, otologic microsurgery, otoneurology, functional, post-traumatic and rhinosinusal endoscopic microsurgery, plastic surgery, and in the cardiovascular system.

    摘要翻译: PCT No.PCT / EP93 / 01727 Sec。 371日期1995年2月23日 102(e)日期1995年2月23日PCT提交1993年7月5日PCT公布。 公开号WO94 / 01468 PCT 日期1994年1月20日提供了包含互穿聚合物网络(IPN)的生物材料,其中聚合物组分之一是酸性多糖或其半合成衍生物。 多糖可以是透明质酸,第二聚合物组分可以是无毒的,非致癌的合成化学聚合物。 该衍生物可以是全部或部分透明质酸酯或透明质酸盐。 酯或盐可以用药理活性分子形成。 还公开了制备IPN的方法。 酸性多糖或其衍生物和包含IPN的合成化学聚合物可以是交联的,或者合成化学聚合物可以接枝到酸性多糖上。 可以使用能够产生自由基的化合物或通过酸性多糖和合成化学聚合物上的官能团来实现交联或接枝。 IPN可以在交联或接枝之前形成。 IPN生物材料可以是膜,膜,海绵,水凝胶,引导通道,线,纱布或无纺布组织的形式。 这种IPN生物材料可用于生物医学和卫生领域,包括皮肤病学,泌尿学,骨科,耳科学显微外科,耳鼻喉科,功能性,创伤后和鼻内窥镜显微外科手术,整形手术和心血管系统。