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    • 13. 发明申请
    • ABSORBENT HYDROGEL COMPOSITES
    • 吸收水凝胶复合材料
    • WO2007113453A1
    • 2007-10-11
    • PCT/GB2006/001218
    • 2006-04-03
    • FIRST WATER LIMITEDMUNRO, Hugh, SempleANDREWS, PhilipSAINA GARCIA, Susana
    • MUNRO, Hugh, SempleANDREWS, PhilipSAINA GARCIA, Susana
    • A61L15/60A61L15/26A61L15/42
    • A61L15/26A61L15/42A61L15/60
    • The invention provides an absorbent material or article comprising an absorbent hydrogel composite sheet. The sheet includes an absorbent layer part having two major faces which comprises a flexible plasticised hydrophilic polymer matrix having an internal cellular structure, and a second part which comprises a flexible plasticised hydrophilic polymer matrix having a relatively continuous internal structure. The second part may be associated with the layer part such that the second part infiltrates some but not all of the cellular voids of the absorbent layer part over a major face of the absorbent layer part. Alternatively, the second part may be associated with the layer part such that the second part overlies a major face of the absorbent layer part. By this arrangement, some but not all of the absorbent layer part is effectively exposed for absorption of external water or other fluid through the side of the sheet corresponding to that said major face of the absorbent layer.
    • 本发明提供了一种包含吸收性水凝胶复合片材的吸收材料或制品。 片材包括具有两个主表面的吸收层部分,其包含具有内部细胞结构的柔性增塑的亲水性聚合物基质,和包含具有相对连续的内部结构的柔性增塑的亲水性聚合物基质的第二部分。 第二部分可以与层部分相关联,使得第二部分在吸收层部分的主表面上渗透吸收层部分的一些但不是全部的细胞空隙。 或者,第二部分可以与层部分相关联,使得第二部分覆盖在吸收层部分的主表面上。 通过这种布置,一些但不是全部的吸收层部分被有效地暴露以吸收外部水或其它流体通过与吸收层的所述主面对应的片材的侧面。
    • 18. 发明申请
    • HYDROGEL CO-POLYMER COMPOSITION AND ITS USES, FOR EXAMPLE AS A WOUND DRESSING
    • HYDROGEL共聚合物组合物及其用途,例如作为一个创造性的连接
    • WO2009090403A1
    • 2009-07-23
    • PCT/GB2009/000128
    • 2009-01-16
    • FIRST WATER LIMITEDMUNRO, Hugh, SempleBOOTE, Nicholas
    • MUNRO, Hugh, SempleBOOTE, Nicholas
    • A61L15/58A61L24/06C08F220/58
    • A61K31/795A61L15/60A61L26/0014A61L26/008C08F220/58
    • The present invention provides a hydrogel composition, preferably for the treatment of wounds, comprising a hydrophilic co-polymer carrying multiple pendant anionic groups, wherein the polymer is derived from a first monomer and a second monomer, wherein both monomers have an octanohwater partition coefficient LogP value of less than 0, and, the LogP value of the first monomer is greater (more positive) than the second monomer. Preferably the difference between the LogP value for the two monomers is at least 0.1, preferably at least 0.2. The difference between the LogP value for the two monomers is preferably less than 2. The weight ratio (w/w) of the first monomer/second monomer in the hydrogel composition is preferably equal to or more than about 1. The pendant anionic groups may be sulphonyl groups, e.g. sulphonic acid groups or salts thereof. The anionic group in both first and second monomers may be in salt form and the counterion for both monomers is preferably the same.
    • 本发明提供一种水凝胶组合物,优选用于治疗伤口,其包含携带多个侧阴离子基团的亲水性共聚物,其中该聚合物衍生自第一单体和第二单体,其中两种单体具有八氢水分配系数LogP 值小于0,第一单体的LogP值比第二单体大(更正)。 优选地,两种单体的LogP值之间的差异为至少0.1,优选至少为0.2。 两个单体的LogP值之间的差值优选小于2.水凝胶组合物中第一单体/第二单体的重量比(w / w)优选等于或大于约1.侧阴离子基团可以 是磺酰基,例如 磺酸基或其盐。 第一和第二单体中的阴离子基团可以是盐形式,两个单体的抗衡离子优选相同。