Copolymers of tyrosine-based polycarbonate and poly(alkylene oxide)
    32.
    发明授权
    Copolymers of tyrosine-based polycarbonate and poly(alkylene oxide) 失效
    酪氨酸基聚碳酸酯和聚(环氧烷)的共聚物

    公开(公告)号:US5658995A

    公开(公告)日:1997-08-19

    申请号:US562842

    申请日:1995-11-27

    摘要: Random block copolymers having the formula: ##STR1## wherein R.sub.1 is --CH.dbd.CH-- or (--CH.sub.2 --).sub.j, in which j is zero or an integer from one to eight; R.sub.2 is selected from hydrogen, straight and branched alkyl and alkylaryl groups containing up to 18 carbon atoms and derivatives or biologically and pharmaceutically active compounds covalently bonded to said copolymer; each R.sub.3 is independently an alkylene group containing up to 4 carbon atoms; y is an integer between about 5 and about 3000; and f is the percent molar fraction of alkylene oxide in the copolymer and ranges between about 1 and about 99 mole percent. Implantable medical devices and drug delivery implants containing the random block copolymers are also disclosed, along with methods for drug delivery and for preventing the formation of adhesions between injured tissues employing the random block copolymers. Polyarylate random block copolymers are also described.

    摘要翻译: 其中R 1为-CH = CH-或(-CH 2 - )j,其中j为0或1至8的整数; R2选自含有至多18个碳原子的氢,直链和支链烷基和烷基芳基以及与所述共聚物共价结合的衍生物或生物和药学活性化合物; 每个R 3独立地是含有至多4个碳原子的亚烷基; y为约5至约3000之间的整数; f是共聚物中环氧烷的摩尔百分比,在约1至约99摩尔%之间。 还公开了含有无规嵌段共聚物的植入式医疗装置和药物递送植入物,以及用于药物递送和用于使用无规嵌段共聚物的损伤组织之间形成粘连的方法。 还描述了聚芳酯无规嵌段共聚物。

    Poly(N-phenyl urethane) from poly(N-substituted iminocarbonate)
    33.
    发明授权
    Poly(N-phenyl urethane) from poly(N-substituted iminocarbonate) 失效
    聚(N-取代亚氨基碳酸酯)聚(N-苯基氨基甲酸酯)

    公开(公告)号:US5242997A

    公开(公告)日:1993-09-07

    申请号:US978787

    申请日:1992-11-19

    IPC分类号: C08G71/04

    CPC分类号: C08G71/04

    摘要: Poly(N-phenyl urethanes) and methods of preparing same by heating poly(N-phenyl iminocarbonates) to a temperature above 250.degree. C. so that the backbone of the polyiminocarbonate rearranges to form the poly(N-phenyl urethane). Poly(N-substituted iminocarbonates and methods of preparing same by suspending a dialkaline diphenol in an aprotic solvent at a basic pH and adding to the suspension an N-substituted iminophosgene. Methods for making heat-stable articles by forming an article from a poly(N-phenyl iminocarbonate) while heating the article to a temperature above about 250.degree. C. so that the poly(N-phenyl iminocarbonate) rearranges to form a poly(N-phenyl urethane).

    摘要翻译: 聚(N-苯基氨基甲酸酯)及其制备方法的方法,其中加热聚(N-苯基亚氨基碳酸酯)至高于250℃,使得聚亚氨基碳酸酯的骨架重新形成聚(N-苯基氨基甲酸酯)。 聚(N-取代亚氨基碳酸酯及其制备方法,通过在碱性pH下将二碱性二酚悬浮于非质子溶剂中,并将悬浮液加入N-取代的亚磷酰基)。通过从聚 N-苯基亚氨基碳酸酯),同时将制品加热到高于约250℃的温度,使得聚(N-苯基亚氨基碳酸酯)重新排列形成聚(N-苯基氨基甲酸酯)。

    Poly(N-substituted iminocarbonate)
    34.
    发明授权
    Poly(N-substituted iminocarbonate) 失效
    聚(N-取代亚氨基碳酸酯)

    公开(公告)号:US5194570A

    公开(公告)日:1993-03-16

    申请号:US609204

    申请日:1990-11-05

    IPC分类号: C08G71/04

    CPC分类号: C08G71/04

    摘要: Poly(N-phenyl urethanes) and methods of preparing same by heating poly(N-phenyl iminocarbonates) to a temperature above 250.degree. C. so that the backbone of the polyiminocarbonate rearranges to form the poly(N-phenyl urethane). Poly(N-substituted iminocarbonates and methods of preparing same by suspending a dialkaline diphenol in an aprotic solvent at a basic pH and adding to the suspension an N-substituted iminophosgene. Methods for making heat-stable articles by forming an article from a poly(N-phenyl iminocarbonate) while heating the article to a temperature above about 250.degree. C. so that the poly(N-phenyl iminocarbonate) rearranges to form a poly(N-phenyl urethane).

    摘要翻译: 聚(N-苯基氨基甲酸酯)及其制备方法的方法,其中加热聚(N-苯基亚氨基碳酸酯)至高于250℃,使得聚亚氨基碳酸酯的骨架重新形成聚(N-苯基氨基甲酸酯)。 聚(N-取代亚氨基碳酸酯及其制备方法,通过在碱性pH下将二碱性二酚悬浮于非质子溶剂中,并将悬浮液加入N-取代的亚磷酰基)。通过从聚 N-苯基亚氨基碳酸酯),同时将制品加热到高于约250℃的温度,使得聚(N-苯基亚氨基碳酸酯)重新排列形成聚(N-苯基氨基甲酸酯)。

    Pharmaceutical formulation composed of a polymer blend and an active compound for time-controlled release
    36.
    发明授权
    Pharmaceutical formulation composed of a polymer blend and an active compound for time-controlled release 有权
    药物制剂由聚合物共混物和活性化合物组成,用于时间控制释放

    公开(公告)号:US08653030B2

    公开(公告)日:2014-02-18

    申请号:US11970028

    申请日:2008-01-07

    IPC分类号: A61K38/12 A61K47/34 A61K38/02

    摘要: A formulation containing a biologically active compound having a chemical structure with hydrogen bonding sites, a first biocompatible, hydrolytically degrading polycarbonate with hydrogen bonding sites and tyrosine-derived diphenol monomer units, and a second biocompatible hydrolytically degrading polymer that is less hydrophobic than the polycarbonate, wherein the second polymer degrades hydrolytically to form acidic degradation products that promote the release of the active compound. Methods for active compound delivery are also disclosed.

    摘要翻译: 包含具有氢键结合位点的化学结构的生物活性化合物,具有氢键位点的第一生物相容性,水解降解性聚碳酸酯和酪氨酸衍生的二酚单体单元的制剂,以及比聚碳酸酯疏水性低的第二生物相容性水解降解聚合物, 其中第二聚合物水解降解以形成促进活性化合物释放的酸性降解产物。 还公开了活性化合物递送的方法。

    Polymeric drug delivery compositions and methods for treating ophthalmic diseases
    37.
    发明授权
    Polymeric drug delivery compositions and methods for treating ophthalmic diseases 有权
    聚合物药物递送组合物和治疗眼科疾病的方法

    公开(公告)号:US08367110B2

    公开(公告)日:2013-02-05

    申请号:US13439969

    申请日:2012-04-05

    IPC分类号: A61K9/14

    摘要: Degradable polymeric compositions containing water-insoluble drugs blended with copolymers of biocompatible diphenol compound monomer units with pendant carboxylic acid groups polymerized with biocompatible diphenol compound monomer units with pendant carboxylic acid ester groups and poly(alkylene oxide) blocks, wherein the molar fraction in the copolymer of biocompatible diphenol compound monomer units with pendant carboxylic acid groups and poly(alkylene oxide) blocks relative to the weight percentage of the drug in the composition is effective to provide pseudo-zero order release of the drug from the composition during the sustained-release phase of drug delivery under physiological conditions. Ocular treatment methods and manufacturing methods are also disclosed.

    摘要翻译: 与生物相容性双酚化合物单体单元与侧链羧酸基团的共聚物共混的可降解聚合物组合物与具有侧链羧酸酯基团和聚(环氧烷)嵌段的生物相容性双酚化合物单体单元聚合的共聚物,其中共聚物中的摩尔分数 具有侧链羧酸基团和聚(环氧烷)嵌段的生物相容性双酚化合物单体单元相对于组合物中药物的重量百分比有效地在缓释期期间从组合物中提供假零级释放药物 在生理条件下的药物递送。 还公开了眼部治疗方法和制造方法。

    POLYMERIC DRUG DELIVERY COMPOSITIONS AND METHODS FOR TREATING OPHTHALMIC DISEASES
    39.
    发明申请
    POLYMERIC DRUG DELIVERY COMPOSITIONS AND METHODS FOR TREATING OPHTHALMIC DISEASES 有权
    聚合物药物输送组合物及治疗眼底疾病的方法

    公开(公告)号:US20120207796A1

    公开(公告)日:2012-08-16

    申请号:US13439969

    申请日:2012-04-05

    摘要: Degradable polymeric compositions containing water-insoluble drugs blended with copolymers of biocompatible diphenol compound monomer units with pendant carboxylic acid groups polymerized with biocompatible diphenol compound monomer units with pendant carboxylic acid ester groups and poly(alkylene oxide) blocks, wherein the molar fraction in the copolymer of biocompatible diphenol compound monomer units with pendant carboxylic acid groups and poly(alkylene oxide) blocks relative to the weight percentage of the drug in the composition is effective to provide pseudo-zero order release of the drug from the composition during the sustained-release phase of drug delivery under physiological conditions. Ocular treatment methods and manufacturing methods are also disclosed.

    摘要翻译: 与生物相容性双酚化合物单体单元与侧链羧酸基团的共聚物共混的可降解聚合物组合物与具有侧链羧酸酯基团和聚(环氧烷)嵌段的生物相容性双酚化合物单体单元聚合的共聚物,其中共聚物中的摩尔分数 具有侧链羧酸基团和聚(环氧烷)嵌段的生物相容性双酚化合物单体单元相对于组合物中药物的重量百分比有效地在缓释期期间从组合物中提供假零级释放药物 在生理条件下的药物递送。 还公开了眼部治疗方法和制造方法。

    Polymeric drug delivery compositions and methods for treating ophthalmic diseases
    40.
    发明授权
    Polymeric drug delivery compositions and methods for treating ophthalmic diseases 有权
    聚合物药物递送组合物和治疗眼科疾病的方法

    公开(公告)号:US08173163B2

    公开(公告)日:2012-05-08

    申请号:US12390255

    申请日:2009-02-20

    IPC分类号: A61K9/14

    摘要: Degradable polymeric compositions containing water-insoluble drugs blended with copolymers of biocompatible diphenol compound monomer units with pendant carboxylic acid groups polymerized with biocompatible diphenol com-pound monomer units with pendant carboxylic acid ester groups and poly(alkylene oxide) blocks, wherein the molar fraction in the copolymer of biocompatible diphenol compound monomer units with pendant carboxylic acid groups and poly(alkylene oxide) blocks relative to the weight percentage of the drug in the composition is effective to provide pseudo-zero order release of the drug from the composition during the sustained-release phase of drug delivery under physiological conditions. Ocular treatment methods and manufacturing methods are also disclosed.

    摘要翻译: 可降解的聚合物组合物含有与生物相容性双酚化合物单体单元与侧链羧酸基团的共聚物共混物的水不溶性药物,其与具有侧链羧酸酯基团和聚(环氧烷)嵌段的生物相容性双酚单体单元聚合的侧链羧酸基团,其中摩尔分数 生物相容性双酚化合物单体单元与侧链羧酸基团和聚(环氧烷)嵌段的共聚物相对于组合物中药物的重量百分比是有效的,以提供药物在组合物中的假零级释放, 生理条件下药物释放期。 还公开了眼部治疗方法和制造方法。