Membrane or matrix for controlling the permeation rate of drugs
    1.
    发明授权
    Membrane or matrix for controlling the permeation rate of drugs 有权
    用于控制药物渗透速率的膜或基质

    公开(公告)号:US06794464B2

    公开(公告)日:2004-09-21

    申请号:US10298195

    申请日:2002-11-18

    IPC分类号: C08L8310

    摘要: A membrane or matrix for controlling the permeation rate of a drug, where the membrane or matrix includes a siloxane-based elastomer composition which contains at least one elastomer and optionally a non-crosslinked polymer. The elastomer composition includes poly(alkylene oxide) groups, and the poly(alkylene oxide) groups are present as blocks in a chain of the elastomer or the polymer, or as blocks and alkoxy-terminated grafts of polysiloxane units, the blocks or blocks and grafts being linked to the polysiloxane units by silicon-carbon bonds, with at least three blocks being present in the elastomer or polymer chain. Methods for the preparation of the elastomer composition are also disclosed.

    摘要翻译: 用于控制药物渗透速率的膜或基质,其中膜或基质包括含有至少一种弹性体和任选的非交联聚合物的硅氧烷基弹性体组合物。 弹性体组合物包括聚(环氧烷)基团,聚(环氧烷)基团作为嵌段存在于弹性体或聚合物的链中,或作为聚硅氧烷单元的嵌段和烷氧基封端的接枝物,嵌段或嵌段 接枝物通过硅 - 碳键与聚硅氧烷单元连接,至少有三个嵌段存在于弹性体或聚合物链中。 还公开了制备弹性体组合物的方法。

    Drug delivery device, especially for the delivery of gestodene
    4.
    发明授权
    Drug delivery device, especially for the delivery of gestodene 有权
    药物输送装置,特别是用于递送吉司他丁

    公开(公告)号:US06299894B1

    公开(公告)日:2001-10-09

    申请号:US09568027

    申请日:2000-05-10

    IPC分类号: A61F1300

    CPC分类号: A61K9/0039

    摘要: The invention relates to a delivery device for the controlled release of the therapeutically active agent gestodene, over a prolonged period of time, at a release rate of 0,1-300 &mgr;g/day, said device comprising a core comprising at least said therapeutically active agent, and a membrane encasing said core wherein said membrane is made of an elastomer. According to the invention, the elastomer is a siloxane-based elastomer comprising 3,3,3-trifluoropropyl groups attached to the Si-atoms of the siloxane units, and the release rate of said therapeutically active agent of said delivery device is regulated by the amount of said 3,3,3-trifluoropropyl groups.

    摘要翻译: 本发明涉及一种递送装置,用于在更长的时间内以0.01至300杯/天的释放速率控制释放治疗活性剂甘露聚糖,所述装置包含至少包含所述治疗活性物质的核心 试剂和包封所述芯的膜,其中所述膜由弹性体制成。 根据本发明,弹性体是包含连接到硅氧烷单元的Si原子上的3,3,3-三氟丙基的硅氧烷基弹性体,并且所述递送装置的所述治疗活性剂的释放速率由 所述3,3,3-三氟丙基的量。

    Method for preparing a siloxane-based elastomer composition
    5.
    发明授权
    Method for preparing a siloxane-based elastomer composition 有权
    硅氧烷类弹性体组合物的制造方法

    公开(公告)号:US06887948B2

    公开(公告)日:2005-05-03

    申请号:US10298197

    申请日:2002-11-18

    发明人: Matti Lehtinen

    摘要: The invention relates to a method for the preparation of a siloxane-based elastomer composition comprising at least one elastomer, said elastomer composition comprising poly(alkylene oxide) groups present in the elastomer as alkoxy-terminated grafts of polysiloxane units and linked to the polysiloxane units by silicon-carbon bonds wherein at least one vinyl functional polymer component is crosslinked in the presence of a peroxide catalyst.

    摘要翻译: 本发明涉及一种制备包含至少一种弹性体的硅氧烷基弹性体组合物的方法,所述弹性体组合物包含存在于弹性体中的聚(烯化氧)基团,作为聚硅氧烷单元的烷氧基封端的接枝物并与聚硅氧烷单元连接 通过其中至少一种乙烯基官能聚合物组分在过氧化物催化剂存在下进行交联的硅 - 碳键。

    Elastomer, its preparation and use
    6.
    发明授权
    Elastomer, its preparation and use 有权
    弹性体,其制备和使用

    公开(公告)号:US06056976A

    公开(公告)日:2000-05-02

    申请号:US190608

    申请日:1998-11-12

    摘要: The invention relates to a siloxane-based elastomer intended for controlling the permeation of drugs, wherein the elastomer includes 3,3,3,-trifluoropropyl groups attached to the Si-atoms of the siloxane units.The invention relates also to a method for the preparation of a siloxane-based elastomer including 3,3,3,-trifluoropropyl substituents, where the elastomer is intended for controlling the permeation of drugs.In the method eitheri) a 3,3,3,-trifluoropropyl-substituted vinyl-functional polysiloxane component and a silicon hydride-functional crosslinking agent are crosslinked in the presence of a catalyst, orii) a 3,3,3,-trifluoropropyl-substituted polysiloxane component is crosslinked in the presence of a peroxide catalyst.

    摘要翻译: 本发明涉及一种旨在控制药物渗透性的硅氧烷基弹性体,其中弹性体包括连接到硅氧烷单元的Si原子上的3,3,3-三氟丙基。 本发明还涉及制备包含3,3,3-三氟丙基取代基的硅氧烷基弹性体的方法,其中弹性体用于控制药物的渗透。 在该方法中,i)3,3,3,3-三氟丙基取代的乙烯基官能聚硅氧烷组分和硅氢化物官能的交联剂在催化剂存在下进行交联,或ii)3,3,3, 三氟丙基取代的聚硅氧烷组分在过氧化物催化剂存在下交联。

    Block copolymers and preparation thereof
    7.
    发明授权
    Block copolymers and preparation thereof 有权
    嵌段共聚物及其制备方法

    公开(公告)号:US06300452B1

    公开(公告)日:2001-10-09

    申请号:US09442403

    申请日:1999-11-18

    IPC分类号: C08G7746

    摘要: The invention relates to a new polysiloxane-based block copolymer having a formula T(AB)xAT  (I) wherein A=—(SiR′R″O)nSiR′R″—, wherein R′ and R″ are the the same or different and represent a lower alkyl group or a phenyl group, wherein said alkyl or phenyl group may be substituted or unsubstituted; B is polyalkylene oxide of formula wherein R is hydrogen, lower alkyl, or phenyl; R1 is hydrogen or lower alkyl; y is 2-6; m is 1-30; n is 1-3000; and x is 0-100.

    摘要翻译: 本发明涉及一种新的聚硅氧烷基嵌段共聚物,其具有式(A) - (SiR'R''O)nSiR'R“ - ,其中R'和R”相同或不同,表示低级烷基 或苯基,其中所述烷基或苯基可以是取代的或未取代的; B是式(Ⅳ)的聚环氧烷,R是氢,低级烷基或苯基; R 1是氢或低级烷基; y为2-6; m为1-30; n为1-3000; x为0-100。

    Use of biogenic estrogen sulfamates for hormone replacement therapy
    9.
    发明授权
    Use of biogenic estrogen sulfamates for hormone replacement therapy 有权
    使用生物源性雌激素氨基磺酸盐治疗激素替代疗法

    公开(公告)号:US07053077B1

    公开(公告)日:2006-05-30

    申请号:US09744574

    申请日:1999-05-13

    IPC分类号: A61K31/56

    摘要: The invention relates to the use of biogenic estrogen sulfamates for the oral discontinuous application for hormone replacement therapy (HRT). The discontinuous administration takes place in intervals ranging from 2 to 40 days. The invention also provides the additional application of gestagens, preferably continuously in the form of an implant or in the form of an intrauterine releasing system (IUD). Estrone sulfamate, estradiol sulfamate or an N-acyl sulfamate of estrone, estradiol or estriol having up to 7 C-atoms in the acyl chain, or a combination comprised of two or more of said active ingredients are used as biogenic estrogen sulfamates.

    摘要翻译: 本发明涉及用于激素替代治疗(HRT)的口服不连续应用的生物源性雌激素氨基磺酸盐的用途。 不连续给药时间间隔为2至40天。 本发明还提供了孕妇的额外应用,优选连续地以植入物的形式或以子宫内释放系统(IUD)的形式。 氨基磺酸氨基磺酸酯,氨基磺酸雌二醇酯或酰基链中具有至多7个C原子的雌酮,雌二醇或雌三醇的N-酰基氨基磺酸酯或由两种或更多种所述活性成分组成的组合物用作生物来源的雌激素亚磺酸盐。

    Device for intrauterine use
    10.
    发明授权
    Device for intrauterine use 失效
    子宫内使用装置

    公开(公告)号:US5626148A

    公开(公告)日:1997-05-06

    申请号:US167792

    申请日:1994-02-22

    申请人: Matti Lehtinen

    发明人: Matti Lehtinen

    IPC分类号: A61F6/14 A61F6/06

    CPC分类号: A61F6/14

    摘要: Device for intrauterine use comprising means (7, 8) for attaching the device to the interior wall of the uterus, as well as a member (1) releasing active agent and connected to the said attachment means. The invention is characterized in that the active agent releasing member (1) is in the form of a closed container enclosing the active agent, the walls of the container being at least partly permeable to the active agent.

    摘要翻译: PCT No.PCT / FI92 / 00189 Sec。 371日期:1994年2月22日 102(e)日期1994年2月22日PCT提交1992年6月17日PCT公布。 第WO93 / 00055号公报 日期1993年1月7日用于子宫内使用的装置包括用于将装置附接到子宫内壁的装置(7,8),以及释放活性剂并连接到所述附接装置的构件(1)。 本发明的特征在于活性剂释放构件(1)为封闭容器的形式,其包围活性剂,容器的壁至少部分地可渗透活性剂。