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    • 52. 发明专利
    • One-pack type adhesive composition for dentistry
    • 用于牙科的单包胶粘合剂组合物
    • JP2008001624A
    • 2008-01-10
    • JP2006171795
    • 2006-06-21
    • Kuraray Medical Incクラレメディカル株式会社
    • MOTOYASHIKI YUKIKO
    • A61K6/00A61C13/23A61K6/083
    • PROBLEM TO BE SOLVED: To provide an adhesive composition for dentistry facilitating the sticking operation because of one-pack type, exhibiting excellent adhesive strength to various kinds of repairing materials for the dentistry, and having excellent preservation stability.
      SOLUTION: The one-pack type adhesive composition for the dentistry comprises (A) a silane coupling agent having a specific polymerizable group (e.g. 3-MPS: 3-methacryloyloxypropyltrimethoxysilane), (B) an acidic group-containing polymerizable monomer (e.g. MDP: 10-methacryloyloxydecyl dihydrogen phosphate) (C) a primary alcohol and (D) water, and has 0.005-0.5 wt.% water content.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于牙科的粘合剂组合物,其由于单组分型而促进粘附操作,对各种牙科修复材料具有优异的粘合强度,并且具有优异的保存稳定性。 解决方案:用于牙科的单组分型粘合剂组合物包含(A)具有特定聚合性基团的硅烷偶联剂(例如3-MPS:3-甲基丙烯酰氧基丙基三甲氧基硅烷),(B)含酸性基团的可聚合单体( 例如MDP:10-甲基丙烯酰氧基癸基二氢磷酸酯)(C)伯醇和(D)水,并且具有0.005-0.5重量%的水含量。 版权所有(C)2008,JPO&INPIT
    • 53. 发明专利
    • Dental antibacterial composition
    • 牙科抗菌组合物
    • JP2007269637A
    • 2007-10-18
    • JP2006093587
    • 2006-03-30
    • Kuraray Medical Incクラレメディカル株式会社
    • SHINODA HIRONORIKAWASHIMA MITSUNOBUKONISHI YOSHIHIRO
    • A61K6/083A61P1/02
    • PROBLEM TO BE SOLVED: To provide a dental antibacterial composition having high toughness of a cured product and developing antibacterial effect over a long period. SOLUTION: The dental antibacterial composition comprises (A) a polyvinyl acetal synthesized by dehydration condensation of an antibacterial aldehyde compound and a hydroxy group-containing vinyl polymer, (B) a polymerizable monomer and (C) a polymerization initiator. In the present invention, the composition develops antibacterial action over a long period, because antibacterial ingredient (antibacterial acetaldehyde compound) is immobilized in the molecule of a polymer [polyvinyl acetal (A)] by acetalization of the antibacterial acetaldehyde compound with a hydroxy group-containing vinylic polymer to prevent elusion of the antibacterial acetaldehyde compound and the cured product has high toughness, because chains of polyvinyl acetal (A) which is a chain polymer are entangled with each other in the cured product. COPYRIGHT: (C)2008,JPO&INPIT
    • 待解决的问题:提供一种具有高固化产物韧性的牙科抗菌组合物,并且长时间显示出抗菌效果。 解决方案:牙科抗菌组合物包含(A)通过抗菌醛化合物和含羟基的乙烯基聚合物脱水缩合合成的聚乙烯醇缩醛,(B)可聚合单体和(C)聚合引发剂。 在本发明中,由于抗菌成分(抗菌乙醛化合物)通过抗羟乙基化合物的缩醛化固定在聚合物[聚乙烯醇缩醛(A))的分子中,所以组合物长时间地产生抗菌作用, 含有乙烯基聚合物以防止抗菌乙醛化合物的洗脱,并且固化产物具有高韧性,因为链状聚合物的聚乙烯醇缩醛(A)链在固化产物中相互缠结。 版权所有(C)2008,JPO&INPIT
    • 56. 发明专利
    • Method for producing soft contact lens
    • 生产软接触镜的方法
    • JP2005313452A
    • 2005-11-10
    • JP2004133478
    • 2004-04-28
    • Kuraray Medical Incクラレメディカル株式会社
    • MAKABE TAKASHIBABA NAOYA
    • G02C7/04B29C33/40B29K23/00B29L11/00
    • PROBLEM TO BE SOLVED: To provide a soft contact lens producing mold which can efficiently produce soft contact lenses excellent in storage stability and a soft contact lens producing method using the mold.
      SOLUTION: In the soft contact lens producing method, a mold comprising a male mold and a female mold is used, a polymerizable composition containing a polymerization initiator is injected into the male mold or the female mold, and after the mold is clamped, the composition is heated and polymerized to form a base curve surface and a front curve surface. The mold is made of a polyolefin resin, and the total amount of an antistatic agent and a lubricant to be added is 0-0.05 pt. wt. per 100 pts.wt. of the polyolefin resin. The soft lenses obtained by the method are provided.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种软性隐形眼镜制造模具,其能够有效地生产出存储稳定性优异的软性隐形眼镜和使用该模具的软性隐形眼镜制造方法。 解决方案:在软性隐形眼镜制造方法中,使用包括阳模和阴模的模具,将含有聚合引发剂的聚合性组合物注入到阳模或阴模中,并且在模具被夹紧之后 ,将组合物加热聚合以形成基本曲线表面和前曲面。 模具由聚烯烃树脂制成,抗静电剂和润滑剂的总量为0〜0.05pt。 重量。 每100 pts.wt 的聚烯烃树脂。 提供通过该方法获得的软透镜。 版权所有(C)2006,JPO&NCIPI
    • 57. 发明专利
    • Two-pack type adhesive for aprismatic enamelum
    • 两用胶粘剂用于APRISMATIC ENAMELUM
    • JP2005225839A
    • 2005-08-25
    • JP2004038629
    • 2004-02-16
    • Kuraray Medical Incクラレメディカル株式会社
    • NAKATSUKA KAZUMITSUTAKEI MITSURUNISHIGAKI NAOKI
    • A61K6/00A61K6/087
    • PROBLEM TO BE SOLVED: To prepare a two-pack type adhesive excellent in storage stability and having high acid resistance and developing excellent adhesive force to aprismatic enamelum of human tooth even when long period laps after production of the adhesive because of excellent storage stability, and to provide a bonding method capable of bonding the aprismatic enamelum to a dental repairing material without causing such damage as to lose gloss to a tooth or discoloring the tooth.
      SOLUTION: This two-pack type adhesive for aprismatic enamelum comprises a first liquid containing (a) a sulfonic acid group-containing polymerizable monomer having a methacrylamide group and/or an acrylamide group and a second liquid containing (b) a phosphoric acid-containing polymerizable monomer having an alkyl group in which the main chain carbon number is 6-20 and/or an alkylene group in which the main chain carbon number is 6-20, and (c) water and (d) a water-soluble solvent each formulated in the first liquid and/or the second liquid. The bonding method comprises using the adhesive.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了制备具有优异的储存稳定性和耐酸性优异的双组分型粘合剂,并且即使在由于优异的储存而在粘合剂生产之后长时间的间隔下,也能够显着地提高人牙釉质的粘附力 并且提供能够将无棱釉质粘合到牙齿修复材料上而不会造成损害牙齿或使牙齿变色的损伤的粘合方法。 解决方案:这种用于无棱镜的双组分型粘合剂包括含有(a)具有甲基丙烯酰胺基和/或丙烯酰胺基的含磺酸基的可聚合单体和含有(b)磷酸的第二液体的第一液体 主链碳数为6〜20的烷基的含酸聚合性单体和/或主链碳数为6〜20的亚烷基,(c)水和(d) 每种配制在第一液体和/或第二液体中的可溶性溶剂。 粘合方法包括使用粘合剂。 版权所有(C)2005,JPO&NCIPI