High molecular weight polyesterpolycarbonates and the use thereof for
the preparation of bioerosible matrices
    4.
    发明授权
    High molecular weight polyesterpolycarbonates and the use thereof for the preparation of bioerosible matrices 失效
    高分子量聚酯聚碳酸酯及其在生物可吸收基质的制备中的应用

    公开(公告)号:US5698661A

    公开(公告)日:1997-12-16

    申请号:US637646

    申请日:1996-06-24

    CPC分类号: A61K9/1647 C08G63/64

    摘要: Polyesterpolycarbonates of formula (I) ##STR1## wherein a is an integer from 2 to 300; R.sub.1 and R.sub.2, which can be the same or different, are each a polyester residue of formula (II) ##STR2## with x and y being integers from 0 to 100, and the ratio of (x/x+y)*100 being between 0 and 100, with the proviso that x and y are not 0 at the same time; R.sub.3 and R.sub.4 being aliphatic hydrocarbon residues of 1 to 4 carbon atoms; R.sub.5 being an aliphatic hydrocarbon residue having from 2 to 18 carbon atoms or a cycloaliphatic hydrocarbon residue having from 3 to 8 carbon atoms; or a polyoxyalkylene residue of formula (III): ##STR3## wherein R.sub.6 is hydrogen or methyl, n is an integer from 1 to 3 and m is an integer from 1 to 200; and the two --R.sub.3 --COO and --R.sub.4 --COO groups are randomly distributed in the polyester residue, with the polyesterpolycarbonates of formula (I) having an intrinsic viscosity of greater than 0.45 dl/g when measured in chloroform at 32.degree. C. and being useful as bioerosible matrices for the controlled release of drugs.

    摘要翻译: PCT No.PCT / EP94 / 03560 Sec。 371日期1996年6月24日 102(e)1996年6月24日PCT 1994年10月28日PCT PCT。 公开号WO95 / 12629 日期:1995年5月11日式(I)的聚酯聚碳酸酯其中a是2至300的整数; R 1和R 2可以相同或不同,分别为式(II)的聚酯残基,其中x和y为0至100的整数,并且(x / x + y)* 100的比例为 在0和100之间,条件是x和y不同时为0; R 3和R 4是1至4个碳原子的脂族烃残基; R5是具有2至18个碳原子的脂族烃残基或具有3至8个碳原子的脂环族烃残基; 或式(III)的聚氧化烯残基:其中R 6为氢或甲基,n为1至3的整数,m为1至200的整数; 并且两个-R3-COO和-R4-COO基团随机分布在聚酯残基中,当在32℃的氯仿中测量时,式(I)的聚酯聚碳酸酯的特性粘度大于0.45dl / g, 作为药物受控释放的生物可吸收基质是有用的。

    Polycarbonates and the use thereof for the preparation of bioerosible
matrices
    5.
    发明授权
    Polycarbonates and the use thereof for the preparation of bioerosible matrices 失效
    聚碳酸酯及其在生物可活性基质的制备中的应用

    公开(公告)号:US5463012A

    公开(公告)日:1995-10-31

    申请号:US157153

    申请日:1993-12-13

    摘要: Polycarbonates of formula (I) wherein a is an integer from 2 to 300; R.sup.1 and R.sup.2 are the same or different and are independently a polyester residue of formula (III) wherein x and y are integers from 1 to 50, R.sup.4 and R.sup.5, which are the same or different, are aliphatic straight or branched hydrocarbon chains having from 1 to 4 carbon atoms, R.sup.6 is an aliphatic or alicyclic straight or branched chain having from 2 to 18 carbon atoms, or a polyoxyalkylene residue of formula (II), the two groups --R.sup.4 --COO and --R.sup.5 --COO being randomly distributed in the polyester residue, x and y being in any possible ratio from 0 to 100, are synthesized by reacting dihydroxy compounds with 1,1'-carbonyldiimidazole. They are useful for the preparation of bioerosible matrices for biologically active compounds. ##STR1##

    摘要翻译: PCT No.PCT / EP92 / 01262 Sec。 371日期:1993年12月10日 102(e)日期1993年12月10日PCT提交1992年6月5日PCT公布。 出版物WO92 / 22600 PCT 日期:1992年12月23日。式(I)的聚碳酸酯,其中a为2至300的整数; R 1和R 2相同或不同,并且独立地是式(III)的聚酯残基,其中x和y是1至50的整数,R 4和R 5相同或不同,是具有 1至4个碳原子,R6是具有2至18个碳原子的脂族或脂环族直链或支链或式(II)的聚氧化烯残基,两个-R4-COO和-R5-COO基团随机分布在 通过使二羟基化合物与1,1'-羰基二咪唑反应来合成聚酯残基x和y以0至100的任何可能的比例。 它们可用于制备生物活性化合物的生物可溶性基质。 (一)图像(二)<图像>(三)

    Copolymers with polyester polycarbonate blocks containing
poly(caprolactone) segments, and use thereof for the preparation of
biodegradable matrices
    7.
    发明授权
    Copolymers with polyester polycarbonate blocks containing poly(caprolactone) segments, and use thereof for the preparation of biodegradable matrices 失效
    与含聚(己内酯)链段的聚酯聚碳酸酯嵌段的共聚物及其在制备可生物降解基质中的应用

    公开(公告)号:US5916998A

    公开(公告)日:1999-06-29

    申请号:US796576

    申请日:1997-02-07

    CPC分类号: A61K9/204 C08G63/64

    摘要: The invention relates to block copolymers of general formula (I)--�--O--CO--O--A--O--CO--O--B--!.sub.a -- (I)where a is an integer between 2 and 300 inclusive;A and B, which may be the same or different, are blocks which can be obtained by reaction between a bis(chloroformate) of oligomeric poly(caprolactone) and a polyester residue of formula (II)HO--�--R.sub.1 --CO--O!.sub.x --�--R.sub.2 --CO--O--!.sub.y --H (II)where R.sub.1 and R.sub.2, which may be the same or different, are each an aliphatic hydrocarbon residue with a linear or branched chain having from 1 to 4 carbon atoms; x and y are integers from 1 to 50, in any possible ratio from 0 to 1;the groups --R.sub.1 --COO-- and --R.sub.2 --COO-- being randomly distributed in the polyester residue.

    摘要翻译: 本发明涉及通式(I) - [ - O-CO-O-A-O-CO-O-B-] a-(I)的嵌段共聚物,其中a为2和300之间的整数; A和B可以相同或不同,是可以通过低聚聚(己内酯)的双(氯甲酸酯)与式(II)的聚酯残基HO - [ - R1-CO-O ]其中R 1和R 2可以相同或不同,分别是具有1-4个碳原子的直链或支链的脂族烃残基; x和y是1至50的整数,以0至1的任何可能的比例; 基团-R1-COO-和-R2-COO-随机分布在聚酯残基中。

    Chain-terminated N-vinyl lactam polymers and graft-copolymers and
methods for making same
    8.
    发明授权
    Chain-terminated N-vinyl lactam polymers and graft-copolymers and methods for making same 失效
    链末端N-乙烯基内酰胺聚合物和接枝共聚物及其制备方法

    公开(公告)号:US5631336A

    公开(公告)日:1997-05-20

    申请号:US112077

    申请日:1993-08-26

    CPC分类号: C08F26/06 A61K47/48176

    摘要: A water-soluble polyvinyl 5-membered lactam having a molecular weight ranging from about 1000 to about 20,000 and chain-terminated with a compound selected from the group consisting of compounds of the following formulas ##STR1## wherein R and R.sup.1 are C.sub.1 to C.sub.4 alkyl or substituted alkyl; n is 0 to 20; R.sup.II is ethylene; R.sup.III is C.sub.1 to C.sub.24 alkylene or substituted alkylene; and R.sup.IV is C.sub.1 to C.sub.4 alkyl or substituted alkyl; can be prepared by polymerizing an N-vinyl 5-membered lactam in a liquid solvent-chain terminator compound of the formula (I) or (II) in the presence of a free radical initiator. The lactam polymer so-obtained may be activated and grafted to (conjugated with) a drug or an enzyme to alter the properties thereof.

    摘要翻译: 分子量为约1000至约20,000的水溶性聚乙烯基5元内酰胺,并用选自下式的化合物(I)和(IMAGE)(II) )其中R和R 1是C 1 -C 4烷基或取代的烷基; n为0〜20; RII是乙烯; RIII是C1至C24亚烷基或取代的亚烷基; 且RIV为C 1至C 4烷基或取代的烷基; 可以通过在自由基引发剂的存在下在式(I)或(II)的液体溶剂 - 终止剂化合物中聚合N-乙烯基5元内酰胺来制备。 如此获得的内酰胺聚合物可以被活化并接枝到药物或酶的(与其结合)以改变其性质。

    Anti-viral agents and compositions thereof
    9.
    发明授权
    Anti-viral agents and compositions thereof 有权
    抗病毒剂及其组合物

    公开(公告)号:US08840875B2

    公开(公告)日:2014-09-23

    申请号:US13886364

    申请日:2013-05-03

    摘要: Guanidine-based poly (amidoamine) polymers of formula (I): wherein n is an integer between 3 and 400; R1 is H, C1-6 alkyl; or taken together with the N atoms to which is bound and R2 is a piperazinic ring; R2 is C2-6 alkylen; C5-6 cycloalkylen; CH—COOH, CH—COOR, wherein R is C1-4 alkyl, phenyl or benzyl; R3 is —(CH2)p-HN—C(NH2)═NH, wherein p is an integer 1 to 6; for use as antiviral agents in the prevention and/or treatment of viral infections in a mammal, preferably a human subject.

    摘要翻译: 基于胍的聚(酰氨基胺)聚合物,式(I):其中n是3和400之间的整数; R1是H,C1-6烷基; 或与其结合的N原子一起取代,R 2是哌嗪环; R2是C2-6亚烷基; C5-6环烷基; CH-COOH,CH-COOR,其中R是C 1-4烷基,苯基或苄基; R3是 - (CH2)p-HN-C(NH2)= NH,其中p是1至6的整数; 用作预防和/或治疗哺乳动物,优选人受试者中的病毒感染的抗病毒剂。

    Polymer
    10.
    发明授权
    Polymer 失效
    聚合物

    公开(公告)号:US08404223B2

    公开(公告)日:2013-03-26

    申请号:US12443278

    申请日:2007-09-14

    IPC分类号: A61K31/74

    摘要: The invention provides compositions comprising a polyamidoamine (PAA) polymer comprising a pendant disulphide, sulphydryl, or activated sulphydryl moiety, and methods for their manufacture. The invention extends to the use of such polyamidoamine polymers to form cross-linked compositions, and hydrogels comprising the same, and the use of such compositions in various biological and non-biological applications, such as the delivery of biomolecules to target sites, and for tracking fluid flows. The invention also provides carrier particles, which may be used to deliver biomolecules, and to methods of treatment. The invention also provides a fluid tracking system for monitoring fluid flow.

    摘要翻译: 本发明提供包含聚酰胺胺(PAA)聚合物的组合物,其包含二硫代侧链,巯基或活化的巯基部分,及其制备方法。 本发明延伸到使用这样的聚酰胺胺聚合物形成交联组合物和包含其的水凝胶,以及这些组合物在各种生物和非生物应用中的用途,例如将生物分子递送至靶位点,以及用于 跟踪流体流动。 本发明还提供可用于递送生物分子的载体颗粒和治疗方法。 本发明还提供了一种用于监测流体流动的流体跟踪系统。