METHOD FOR MAKING SILICONE HYDROGEL CONTACT LENSES

    公开(公告)号:WO2009076143A3

    公开(公告)日:2009-06-18

    申请号:PCT/US2008/085460

    申请日:2008-12-04

    Abstract: A method for making silicone hydrogel contact lenses. The method of the invention is characterized by using a solvent mixture including at least one organic solvent which dissolve the polymerizable material in a lens-forming composition and a small amount of water. By having a small amount of water in the lens-forming composition, the mechanical strength of lenses cast-molded from the lens-forming composition can be sufficiently high so that the lenses can survice during mold opening and demolding process, thereby increasing the production yield.

    GLASS FILM HAVING A SPECIALLY DESIGNED EDGE
    4.
    发明申请
    GLASS FILM HAVING A SPECIALLY DESIGNED EDGE 审中-公开
    特殊边缘的玻璃板

    公开(公告)号:WO2013050164A3

    公开(公告)日:2013-08-15

    申请号:PCT/EP2012004170

    申请日:2012-10-05

    Abstract: The invention relates to glass film having a thickness of less than 1.2 mm, in particular in the range of 5 µm to 200 µm, having a first and a second surface, both surfaces being defined by edges having an edge surface, wherein the respective edge surfaces are provided with a micro structure having a microstructure surface, comprising micro fractures and fissures, which are laterally defined by flanks. The invention is characterized in that at least two edges located opposite one another comprise a low viscosity adhesive, the viscosity thereof being smaller than 600 mPas at 23⁰ C, in particular smaller than 150 mPas at 23⁰ C, preferably in the range of 0.5 mPas to 600 mPas at 23⁰ C, very preferably in the range of 0.5 mPas to 250 mPas at 23⁰ C, especially preferably from 1 mPas to 80 mPas at 23⁰ C, in particular most preferably from 25 mPas to 80 mPas at 23⁰ C, on the microstructure surfaces thereof such that the respective flanks of the micro fractures and fissures are glued together by means of the adhesive so that the default probability of the glass film at a length of 1000 m and a thickness ranging from 5 µm to 350 µm, in particular from 15 µm to 200 µm, and an angle diameter of the glass film ranging from 50 mm to 1000 mm, in particular ranging from 150 mm to 600 mm, is lower than 1 percent.

    Abstract translation: 本发明涉及玻璃板的厚度小于1.2毫米,特别是在范围5妈妈至200妈妈,具有第一和第二表面,两个表面都通过利用边缘表面的边缘,限定其中所述边缘表面各具有与微结构表面的微结构 包括其中的微裂纹和裂缝,它们侧向由侧面限定,其特征在于低粘度粘合剂的至少两个相对的边缘具有的粘度小于600毫帕·秒,在23℃,在23℃特别是低于150毫帕·秒,优选范围为0 ,5毫帕·秒至600毫帕·秒,在23℃,非常特别优选在0.5毫帕·秒至250毫帕·秒,在23℃的范围内,特别优选为1毫帕·秒至80毫帕·秒,在23℃,尤其更优选为25毫帕·秒至80毫帕·秒,在23 °C的微结构表面上,使得各个侧面的微裂纹和裂缝通过粘合剂mi teinander接合,以便在一个厚度范围5mum至350妈妈具有千米的长度的玻璃板的失败的概率,特别是15mum到200mum和直径玻璃板的范围为50mm的线圈,以千毫米,和特别是在范围150毫米到600mm小于 1%是。

    METHOD FOR IMPARTING HYDROGEL CONTACT LENSES WITH DESIRED PROPERTIES
    9.
    发明申请
    METHOD FOR IMPARTING HYDROGEL CONTACT LENSES WITH DESIRED PROPERTIES 审中-公开
    用于将具有所需特性的水凝胶接触镜片加工的方法

    公开(公告)号:WO2009055082A2

    公开(公告)日:2009-04-30

    申请号:PCT/US2008054641

    申请日:2008-02-22

    CPC classification number: B29D11/00067 G02B1/043 C08L83/04

    Abstract: A cost-effective method for making hydrogel contact lenses with desired properties, such as antimicrobial property and/or increased surface hydrophilicity. The method comprises a step of contacting a dry or unhydrated hydrogel contact lens with an aqueous solution (or hydrating solution) containing silver nanoparticles and/or a lubricant or wetting agent. By using a method of the invention, resultant hydrogel contact lenses can have antimicrobial capability and/or enhanced lens wearer's comfort.

    Abstract translation: 制备具有所需性质(例如抗微生物性质)和/或增加的表面亲水性的水凝胶隐形眼镜的成本有效的方法。 该方法包括使干燥或未水合的水凝胶隐形眼镜与含有银纳米颗粒和/或润滑剂或润湿剂的水溶液(或水合溶液)接触的步骤。 通过使用本发明的方法,所得到的水凝胶隐形眼镜可以具有抗微生物能力和/或增强透镜佩戴者的舒适度。

    ACTIVELY CONTROLLABLE MULTIFOCAL LENS
    10.
    发明申请
    ACTIVELY CONTROLLABLE MULTIFOCAL LENS 审中-公开
    灵活可控的多功能镜头

    公开(公告)号:WO9934239A3

    公开(公告)日:1999-10-21

    申请号:PCT/EP9808465

    申请日:1998-12-24

    Abstract: The invention provides an active multifocal optical lens. The optical lens has a first optical element that provides a first optical power and a second optical element that provides a second optical power. The second optical element is a volume holographic optical element, which has been programmed to focus incoming light. The invention provides further a cross-linkable or polymerizable optical material that is suitable for producing a biocompatible holographic optical element. The optical material is a rapidly cross-linking or polymerizing material that changes from a fluid state to a solid state within a limited duration after being exposed to a light source.

    Abstract translation: 本发明提供一种活性多焦点光学透镜。 光学透镜具有提供第一光焦度的第一光学元件和提供第二光焦度的第二光学元件。 第二光学元件是体积全息光学元件,其被编程为聚焦入射光。 本发明还提供了一种适于生产生物相容性全息光学元件的可交联或可聚合的光学材料。 光学材料是在暴露于光源之后的有限持续时间内从流体状态变为固态的快速交联或聚合材料。

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