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    • 11. 发明授权
    • Unsaturated polyanhydrides
    • 不饱和聚酐
    • US5019379A
    • 1991-05-28
    • US80090
    • 1987-07-31
    • Abraham J. DombRobert S. Langer
    • Abraham J. DombRobert S. Langer
    • A61K9/20A61L24/00A61L24/04C08G67/04
    • C08G67/04A61K9/2031A61L24/0042A61L24/046A61L2430/02
    • A class of unsaturated polyanhydrides having double bonds available for secondary polymerization is disclosed. A crosslinked material having improved or different physical and mechanical properties can be prepared from these polyanhydrides, via secondary polymerization. The synthesis and characteristics of one unsaturated polyanhydride based on fumaric acid and its copolymers with aliphatic and aromatic diacids, prepared by either the melt-polycondensation method or by solution polymerization, is described in detail.These polymers are well suited for use in controlled release drug delivery devices. The polymers can also be used as a bioerodible bone cement where the polymer is first cast as a solution onto a bone fracture and then crosslinked by radiation or radical polymerization to yield a strong, adhesive material.
    • 公开了一类具有可用于二次聚合的双键的不饱和聚酐。 可以通过二次聚合从这些聚酐制备具有改善或不同物理和机械性能的交联材料。 详细描述了通过熔融缩聚法或通过溶液聚合制备的一种不饱和聚酐与富马酸及其与脂族和芳族二酸的共聚物的合成和特性。 这些聚合物非常适合用于控释药物递送装置。 聚合物也可以用作生物可蚀解的骨水泥,其中首先将聚合物作为溶液浇铸到骨折上,然后通过辐射或自由基聚合进行交联以产生强的粘合剂材料。
    • 15. 发明授权
    • Adhesive compositions for the treatment of xerostomia
    • 用于治疗口腔干燥症的粘合剂组合物
    • US09161909B2
    • 2015-10-20
    • US12757508
    • 2010-04-09
    • Abraham J. DombBenny BramaBoaz Mizrahi
    • Abraham J. DombBenny BramaBoaz Mizrahi
    • A61K9/20A61K9/00A61K31/22
    • A61K9/006A61K9/2086A61K31/22
    • Compositions for the treatment of xerostomia, and methods of making and using thereof are disclosed herein. The compositions are typically in the form of a film or tablet, such as a double layer sticker tablet. The compositions adhere to a buccal surface or mucosal surface in the oral cavity for at least 15 minutes, preferably for at least 30 minutes. The compositions themselves are able to increase the levels of saliva in the mouth without the need for active agents, such sialogogic agents. The compositions optionally contain a non-lipid lubricant, a flavoring agent, and/or a buffering agent. The composition is generally effective at treating or ameliorating the effects of xerostomia for a time period ranging from at least 30 minutes up to eight hours following administration to the buccal or oral mucosa.
    • 本文公开了用于治疗口干燥症的组合物及其制备和使用方法。 组合物通常为薄膜或片剂的形式,例如双层贴片片剂。 组合物粘附在口腔中的口腔表面或粘膜表面至少15分钟,优选至少30分钟。 组合物本身能够增加口中唾液的水平,而不需要活性剂,例如唾液酸剂。 组合物任选地含有非脂润滑剂,调味剂和/或缓冲剂。 组合物通常有效地治疗或改善口腔干燥症的作用在给药至颊或口腔粘膜后至少30分钟至8小时的时间段内。
    • 19. 发明申请
    • INJECTABLE BIODEGRADABLE POLYMER COMPOSITIONS FOR SOFT TISSUE REPAIR AND AUGMENTATION
    • 用于软组织修复和补充的可注射的生物可降解聚合物组合物
    • US20100260703A1
    • 2010-10-14
    • US12678492
    • 2008-10-05
    • Lior YankelsonAbraham J. Domb
    • Lior YankelsonAbraham J. Domb
    • A61K31/765A61P13/00A61P17/00A61F2/02
    • A61L27/58A61L27/18A61L27/50A61L2400/06C08L67/04
    • Methods for soft tissue repair and/or augmentation using injectable, biodegradable polymers are described herein. In one embodiment, the polymer compositions are liquid or pastes at room temperature. In a preferred embodiment, the polymer composition contains liquid or pasty hydroxy fatty acid-based copolyesters, polyester-anhydrides, or combinations thereof. The viscosity of the polymers increases upon contact with bodily fluid to form a solid or semisolid implant suitable for soft tissue repair and/or augmentation. In another embodiment, the polymer composition contains particles of a polymer stereocomplex. One or more active agents may be incorporated into the polymer compositions. Suitable classes of active agents include local anesthetics, anti-inflammatory agents, antibiotics, analgesics, growth factors and agents that induce and/or enhance growth of tissue within the filled cavity or control the growth of a certain type of tissue, and combinations thereof. The polymer compositions may also contain one or more additives or excipients that modify the physical and/or mechanical properties of the polymer. The polymer compositions are typically administered by injection. The injectable polymers can be used for a variety of soft tissue repair and augmentation procedures.
    • 本文描述了使用可注射的可生物降解的聚合物进行软组织修复和/或增加的方法。 在一个实施方案中,聚合物组合物在室温下为液体或糊状物。 在优选的实施方案中,聚合物组合物含有液体或糊状羟基脂肪酸基共聚酯,聚酯酸酐或其组合。 当与体液接触时,聚合物的粘度增加,以形成适于软组织修复和/或增加的固体或半固体植入物。 在另一个实施方案中,聚合物组合物含有聚合物立体络合物的颗粒。 一种或多种活性剂可以并入聚合物组合物中。 合适类别的活性剂包括局部麻醉剂,抗炎剂,抗生素,止痛剂,生长因子和诱导和/或增强填充腔内组织生长或控制某种类型组织生长的试剂及其组合。 聚合物组合物还可以含有改变聚合物的物理和/或机械性能的一种或多种添加剂或赋形剂。 聚合物组合物通常通过注射施用。 可注射聚合物可用于各种软组织修复和增强程序。