Coating of drug forms
    1.
    发明授权
    Coating of drug forms 失效
    药物形式的涂层

    公开(公告)号:US5326586A

    公开(公告)日:1994-07-05

    申请号:US957375

    申请日:1992-10-07

    摘要: A process for coating drug forms by application of an aqueous dispersion which contains as binder a redispersed latex of an emulsion polymer onto the drug form and evaporating the water at a temperature at which the latex particles form a film, comprises employing a polymer dispersion which has been prepared by emulsion polymerization of one part by weight of at least one ethylenically unsaturated polymerizable monomer, by means of initiators which provide free radicals, in the presence of from 0.1 to 2 parts by weight of saccharified starch, and from 0 to 5% by weight, based on the monomer or monomers, of a surfactant, with or without further conventional additives, drying to a powder and redispersing in water.

    摘要翻译: 通过应用含水分散体涂覆药物形式的方法,该水性分散体含有作为粘合剂的乳液聚合物的再分散胶乳到药物形式上并在胶乳颗粒形成膜的温度下蒸发水,包括使用聚合物分散体,其具有 通过在0.1至2重量份的糖化淀粉和0至5重量%的糖化淀粉存在下,通过使用1重量份的至少一种烯键式不饱和可聚合单体,通过提供自由基的引发剂, 重量,基于单体或单体的表面活性剂,含或不含其它常规添加剂,干燥至粉末并再分散于水中。

    Production of solid pharmaceutical depot forms
    2.
    发明授权
    Production of solid pharmaceutical depot forms 失效
    生产固体药剂库

    公开(公告)号:US5490990A

    公开(公告)日:1996-02-13

    申请号:US78824

    申请日:1993-06-21

    摘要: A process for the production of solid pharmaceutical depot forms by application of a reconstituted aqueous dispersion of a pharmaceutically acceptable binder to a core which contains active substance or by wet granulation of the pharmaceutical active substance with such a binder dispersion or by direct tableting of an active substance with the redispersible binder powder, wherein the binder has been obtained by emulsion polymerization and subsequent spray drying of the resulting aqueous dispersion with a water-soluble pharmaceutically acceptable spraying aid with a glass transition temperature of at least 60.degree. C. and with or without a pharmaceutically acceptable antiblocking agent.

    摘要翻译: 通过将药学上可接受的粘合剂的重构水性分散体应用于含有活性物质的核心或通过用这种粘合剂分散体湿法制粒药物活性物质或通过直接压片活性物质来生产固体药物贮库的方法 物质与可再分散的粘合剂粉末,其中粘合剂已经通过乳液聚合获得并随后用水溶性药学上可接受的喷雾助剂喷雾干燥所得水性分散体,玻璃化转变温度至少为60℃,有或没有 药学上可接受的防粘连剂。

    Process for producing thermoplastics
    6.
    发明授权
    Process for producing thermoplastics 有权
    生产热塑性塑料的工艺

    公开(公告)号:US6165399A

    公开(公告)日:2000-12-26

    申请号:US269344

    申请日:1999-03-25

    摘要: A process for preparing thermoplastics or polymer blends comprising (A) from 5 to 95% of a water-moist elastomer component containing up to 60% of residual water, (B) from 5 to 95% of a thermoplastic polymer, (C) from 0 to 95% of a further polymer, and (D) from 0 to 70% of additives, said process comprising mixing the components A to D in an extruder with mechanical dewatering of component A, wherein the extruder has at least two rotating screws and, in the conveying direction, is essentially composed of a metering section into which component A is fed, a squeeze section which serves for dewatering component A and contains a retarding element and an associated dewatering orifice which is present upstream of the retarding element by a distance corresponding to at least one screw diameter, a feed section in which the thermoplastic polymer B is introduced as a melt into the extruder, a plastication section with mixing or kneading elements, a devolatilization section with an orifice and in which the remaining water is removed as steam, and a discharge zone.

    摘要翻译: PCT No.PCT / EP97 / 05000 Sec。 371日期1999年3月25日 102(e)1999年3月25日PCT PCT 1997年9月12日PCT公布。 第WO98 / 13412号公报 日本1998年4月2日制备热塑性塑料或聚合物共混物的方法,其包含(A)5-95%的含有高达60%的残余水的水 - 润湿弹性体组分,(B)5-95%的热塑性聚合物 ,(C)0至95%的另外的聚合物,和(D)0至70%的添加剂,所述方法包括在挤出机中将组分A至D混合,组分A的机械脱水,其中挤出机具有 至少两个旋转螺钉,并且在输送方向上基本上由进料部件A组成的计量部分组成,用于脱水部件A的挤压部分,并且包含延迟元件和相关联的脱水孔口,其位于 延迟元件相当于至少一个螺杆直径的距离,其中将热塑性聚合物B作为熔体引入挤出机的进料部分,具有混合或捏合元件的塑化部分,具有 孔,其中剩余的水作为蒸汽除去,以及排出区。

    Preparation of thermoplastics
    7.
    发明授权
    Preparation of thermoplastics 失效
    热塑性塑料的制备

    公开(公告)号:US5958316A

    公开(公告)日:1999-09-28

    申请号:US620308

    申请日:1996-03-22

    摘要: Toughened thermoplastics are prepared by mechanically dewatering a water-moist elastomer component A containing up to 50% by weight of residual water and mixing the resulting dewatered elastomer component A' with a thermoplastic polymer B in a mixing unit, by a process in which the elastomer component A is fed to a twin-screw extruder which has corotating screws and essentially includes, in the transport direction,one unheated metering section in which the elastomer component A is fed to the extruder by a metering means,at least one unheated squeeze section which serves for dewatering and contains at least one retarding element and in each case at least one associated dewatering orifice,at least one section in which the thermoplastic polymer B is introduced as a melt into the extruder,at least one section provided with mixing, kneading or other plasticating elements or combinations of these elements,at least one devolatilization section which is provided with at least one devolatilization orifice and in which the residual water is removed as steam, anda heated discharge zone,and in which the water emerging from the dewatering orifices is present partially or completely in the liquid phase.

    摘要翻译: 增韧的热塑性塑料通过机械脱水含有高达50重量%的残余水的水分弹性体组分A,并将所得脱水的弹性体组分A'与热塑性聚合物B混合在混合单元中,通过其中弹性体 组分A被输送到双螺杆挤出机,该双螺杆挤出机具有同向螺钉,并且在输送方向上基本上包括一个未加热的计量部分,其中弹性体组分A通过计量装置进料到挤出机,至少一个未加热的挤压部分 用于脱水并且包含至少一个延迟元件,并且在每种情况下至少一个相关联的脱水孔,至少一个部分,其中热塑性聚合物B作为熔体引入挤出机中,至少一个部分设置有混合,捏合或 其它塑化元件或这些元件的组合,至少一个脱挥发段,其设置有至少一个脱挥发部分 并且其中残留的水作为蒸汽除去,并且被加热的排放区,其中从脱水孔排出的水部分地或完全地存在于液相中。

    Slow-release matrix pellets and the production thereof
    9.
    发明授权
    Slow-release matrix pellets and the production thereof 失效
    缓释基质颗粒及其制备

    公开(公告)号:US06290990B1

    公开(公告)日:2001-09-18

    申请号:US08727666

    申请日:1996-10-17

    IPC分类号: A61K916

    摘要: Slow-release matrix pellets with a spherical or lenticular shape and uniform maximum diameters in the range from 0.5 to 4 mm, composed of a) 0.1-87% by weight of at least one biologically active compound, b) 5-50% by weight of at least one water-insoluble polymer, c) 5-45% by weight of at least one lipophilic component as plasticizer for polymer b), d) 3-40% by weight of a natural or semisynthetic gel former, e) 0-50% by weight of one or more conventional formulation aids.

    摘要翻译: 具有球形或透镜形状的缓释基质颗粒和0.5至4mm范围内的均匀最大直径,由a)0.1-87重量%的至少一种生物活性化合物组成,b)5-50重量% 至少一种水不溶性聚合物,c)5-45重量%的至少一种亲脂性组分作为聚合物b)的增塑剂,d)3-40重量%的天然或半合成凝胶成型剂,e)0-50 重量%的一种或多种常规制剂助剂。

    Polymer compositions for graft copolymer as well as mixtures thereof and
thermoplastic compounds containing them
    10.
    发明授权
    Polymer compositions for graft copolymer as well as mixtures thereof and thermoplastic compounds containing them 失效
    接枝共聚物的聚合物组合物及其混合物和含有它们的热塑性化合物

    公开(公告)号:US6111012A

    公开(公告)日:2000-08-29

    申请号:US981292

    申请日:1997-12-22

    摘要: Graft copolymers (P1) contain, in any desired sequence, at least (P1.1) a hard segment having a glass transition temperature of at least 11.degree. C., which contains at least one vinylaromatic monomer as the monomer or as one of two or more monomers copolymerizable with one another and a crosslinker component comprising at least dihydrodicyclopentadienyl acrylate as a crosslinking agent having two or more functional groups of different reactivity and at least one crosslinking agent having two or more functional groups of the same reactivity, and (P1.2) a soft segment having a glass transition temperature of not more than 10.degree. C., which contains at least one acrylate as the monomer or as one of two or more monomers copolymerizable with one another, and blends and thermoplastic materials contain said graft copolymers.

    摘要翻译: PCT No.PCT / EP96 / 02793 Sec。 371 1997年12月22日第 102(e)1997年12月22日PCT PCT 1996年6月26日PCT公布。 第WO97 / 01588号公报 日期1997年1月16日接枝共聚物(P1)以任何期望的顺序含有至少(P1.1)具有至少11℃的玻璃化转变温度的硬链段,其含有至少一种乙烯基芳族单体作为单体 或作为彼此可共聚的两种或更多种单体之一和至少包含二氢二环戊二烯基丙烯酸酯作为具有两个或更多个不同反应性官能团的交联剂的交联剂组分和至少一种具有两个或更多个具有相同反应性的官能团的交联剂 ,和(P1.2)具有玻璃化转变温度不超过10℃的软链段,其包含至少一种作为单体的丙烯酸酯或作为可彼此共聚的两种或更多种单体之一,以及共混物和热塑性 材料含有所述接枝共聚物。