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    • 6. 发明申请
    • POLYMER SUPPORT FOR THE DISTRIBUTION OF A NATURALLY CRYSTALLINE SUBSTANCE AND PRODUCTION METHOD
    • 用于分配自然晶体物质和生产方法的聚合物支持
    • US20150374829A1
    • 2015-12-31
    • US14767707
    • 2014-02-10
    • AB7 INNOVATION S.A.S.U
    • Rene CHELLEArnaud VILBERT
    • A61K47/34A61K31/522A01N25/10A01N53/00
    • A61K47/34A01K27/007A01N25/10A01N25/34A01N53/00A61K31/522C08J3/2053C08J2375/08C08J2377/00A01N25/02
    • The invention relates to the implementation of a method for loading, without a vehicle, a naturally crystalline substance solubilised by a solvent mixture in a lipophilic medium in a mixture of granulated polymers, for forming, without a plasticiser, a polymer support for the long-term controlled distribution of the naturally crystalline substance in the stable solubilised state, without permanent crystallisation on the surface of said support. Said substance according to the invention can be insecticides and pesticides of the group of pyrethroids (e.g. deltamethrin), formamidines (e.g. amitraz) and carbamates (e.g. propoxur), or the mixture thereof, or cosmetics of the group of alkaloids (e.g. caffeine), or medicaments (e.g. ibuprofen). The permanent non-crystallisation state on the surface of the polymer support is only ensured when said substance is solubilised in the solvent mixture consisting of an oxygenated solvent of dibasic esters of methylenic fatty acids and an oxygenated methylenic cosolvent in an active lipophilic solution incorporated into a polymer mixture consisting of a polyether block amide (PEBA) and a thermoplastic polyurethane elastomer (TPU). Said support can be shaped as a collar, as an ear tag for animals, a band, a patch, a tag, a polymer block or any other device for the distribution of the active substances. It is shaped by any one of the plastic processing techniques known by a person skilled in the art. It is advantageous in that it is loaded with a quantity of active substance of between 30% and 50% less than the previous devices for at least the same active efficiency.
    • 本发明涉及一种用于在没有载体的情况下将在溶剂混合物中溶解的颗粒状聚合物的混合物中的亲脂性介质中加载的天然结晶物质的方法的实施,用于在没有增塑剂的情况下形成长链聚合物的聚合物载体, 天然结晶物质在稳定的溶解状态下的长期受控分布,而不会在所述载体的表面上持续结晶。 根据本发明的所述物质可以是拟除虫菊酯类(例如溴氰菊酯),甲酰胺(例如氨基甲酰胺)和氨基甲酸酯(例如丙氧基)或其混合物的组合物的杀虫剂和农药,或生物碱(例如咖啡因)组的化妆品, 或药物(如布洛芬)。 只有当所述物质溶解在由亚甲基脂肪酸的二元酯的含氧溶剂和含氧的亚甲基共溶剂组成的溶剂混合物中时,才能确保聚合物载体表面上的永久非结晶状态, 由聚醚嵌段酰胺(PEBA)和热塑性聚氨酯弹性体(TPU)组成的聚合物混合物。 所述支撑体可以形成为颈圈,作为用于动物的耳标,带,贴片,标签,聚合物块或用于分配活性物质的任何其它装置。 它由本领域技术人员已知的任何一种塑料加工技术成形。 有利的是,为了至少相同的活性效率,其装载的活性物质的量比先前的装置小30%至50%。