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    Method for tinting a hydrophilic contact lens
    1.
    发明公开
    Method for tinting a hydrophilic contact lens 失效
    Verfahren zumFärbenvon einer亲水Kontakt-Linse。

    公开(公告)号：EP0615852A1

    公开(公告)日：1994-09-21

    申请号：EP93810759.6

    申请日：1993-11-01

    Applicant: CIBA-GEIGY AG

    Inventor： Auten, Richard D. ,  Janssen, Robert A. ,  Stebbins, Leslie F. ,  Turek, Richard C.

    IPC: B41M1/30 ,  B29D11/00

    CPC classification number: B29D11/00903 ,  D06P3/008 ,  D06P3/348 ,  G02C7/021

    Abstract: A method of tinting an unhydrated contact lens (26) involves the steps of providing an unhydrated contact lens (26); providing a dyestuff solution; providing a printing block (14) comprising a hydrophilic polymer material containing a dye complexing agent capable of noncovalently bonding the dyestuff; placing the dyestuff solution onto the printing block; contacting the unhydrated contact lens and the printing block for a time sufficient to allow the dyestuff solution to diffuse to the lens; and removing the lens from the printing block.

    Abstract translation: 着色包括：（a）提供未水合的隐形眼镜; （b）提供染料溶剂; （c）提供包含亲水性聚合物材料的印刷块， 能够非共价键合染料的染料络合剂; （d）放置染料溶胶。 到印刷块上; （e）使未水合的隐形眼镜和印刷块接触足以允许染料溶胶的时间。 扩散到镜片; 和（f）从打印块移除透镜。

    Process for tinting contact lenses
    5.
    发明公开
    Process for tinting contact lenses 失效
    Verfahren zumFärbenvon Kontaktlinzen。

    公开(公告)号：EP0600828A1

    公开(公告)日：1994-06-08

    申请号：EP93810781.0

    申请日：1993-11-11

    Applicant: CIBA-GEIGY AG

    Inventor： Su, Kai Chiang ,  Hung, William Mo-Wei

    IPC: D06P3/00 ,  D06P3/34 ,  D06P1/52 ,  D06P1/613

    CPC classification number: B29D11/00903 ,  D06P1/5292 ,  D06P1/6138 ,  D06P3/008 ,  D06P3/348 ,  G02C7/021

    Abstract: A contact lens colorant formulation containing a non-ionic polyalkylene oxide surfactant is applied to a dry hydrophilic contact lens by means of a silicon rubber printing pad to provide a cosmetically acceptable, solid, unblemished covering. This process allows for a solid covering to be placed onto the lens in a single printing step using standard transfer printing devices.

    Abstract translation: 将包含非离子聚环氧烷表面活性剂的隐形眼镜着色剂配方通过硅橡胶印刷垫施加到干亲水隐形眼镜上，以提供美容上可接受的固体，无瑕疵的覆盖物。 该过程允许使用标准转印印刷装置在单一印刷步骤中将固体覆盖物放置在透镜上。

    Method for preparing tinted contact lens
    6.
    发明公开
    Method for preparing tinted contact lens 失效
    制备有色隐形眼镜的方法

    公开(公告)号：EP0595575A1

    公开(公告)日：1994-05-04

    申请号：EP93308475.8

    申请日：1993-10-25

    Applicant: JOHNSON & JOHNSON VISION PRODUCTS, INC.

    Inventor： Molock, Frank F. ,  Ford, James D.

    IPC: D06P1/52 ,  D06P3/34 ,  D06P1/382

    CPC classification number: B29D11/00317 ,  D06P1/382 ,  D06P1/5257 ,  D06P3/348 ,  G02B1/043

    Abstract: An improved method is disclosed for imparting a tint or color to a soft, hydrogel contact lens by uniformly dispersing a dye throughout the lens. The dye is a water-soluble halotriazine dye. The dye is reacted with a hydrophilic monomer to prepare a reactive dye containing predominantly monofunctionality. The monomer is then subjected to polymerization in the presence of a homogeneous solution of the reactive dye in the monomer under conditions to yield the hydrophilic polymer from which the lens is formed. The dye becomes bonded to the polymer during polymerization.
    The finished lens does not require soaking in an aqueous solution of the dye to impart the desired tint or color to the lens. Additionally, the dye uniformly dispersed throughout the lens according to the improved method does not leach out of the lens or migrate within the lens. Furthermore, the lens does not need to be washed with aqueous base to bond the dye to the lens.

    Abstract translation: 公开了一种改进的方法，用于通过将染料均匀地分散在整个镜片中而赋予柔软的水凝胶隐形眼镜以色彩或颜色。 染料是水溶性卤代三嗪染料。 染料与亲水性单体反应以制备主要含有单官能团的活性染料。 然后在存在活性染料在单体中的均匀溶液的条件下使单体在产生形成透镜的亲水性聚合物的条件下进行聚合。 聚合过程中染料与聚合物结合。 成品镜片不需要浸泡在染料的水溶液中，以赋予镜片所需的色调或颜色。 此外，根据改进的方法均匀分散在整个镜片中的染料不会从镜片中渗出或在镜片内迁移。 此外，镜片不需要用含水碱清洗以将染料粘合到镜片上。

    METHOD FOR TINTING A HYDROPHILIC POLYMER
    10.
    发明授权
    METHOD FOR TINTING A HYDROPHILIC POLYMER 失效
    一种用于染色的亲水性聚合物的过程。

    公开(公告)号：EP0564583B1

    公开(公告)日：1995-11-15

    申请号：EP92903576.4

    申请日：1991-12-20

    Applicant: ALLERGAN, INC.

    Inventor： BHAUMIK, Debabrata ,  CHEN, Patrick, K.

    IPC: D06P5/00 ,  G02C7/04

    CPC classification number: D06P1/5257 ,  D06P1/6735 ,  D06P3/348

    Abstract: A hydrophilic polymer, e.g., provided as a contact lens, is tinted by a method which incorporates a reactive dye into the polymer during formation of the latter. Following physical entrainment of the reactive dye in the polymer, the polymer is contacted with an aqueous solution of a base which catalyzes the reaction of the dye with the polymer. In this way, the dye becomes permanently covalently bound to the polymer.

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