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    • 2. 发明授权
    • Method for production of sugar oxazoline derivative
    • 糖恶唑啉衍生物的制备方法
    • US08470986B2
    • 2013-06-25
    • US12528547
    • 2008-03-07
    • Shinichiro ShodaAtsushi KobayashiMasato NoguchiTomonari TanakaHidetoshi Gyakushi
    • Shinichiro ShodaAtsushi KobayashiMasato NoguchiTomonari TanakaHidetoshi Gyakushi
    • C07H17/02
    • C07H9/06C08B37/0069
    • A method for producing an oxazoline derivative from a non-protected sugar in a simple manner and a method for producing a glycoside by utilizing the product of the aforementioned method are disclosed. A sugar oxazoline derivative is synthesized in one step in an aqueous solution from a sugar having a free hemiacetal hydroxy group and an amide group by using a haloformamidinium derivative as a dehydration/condensation agent. A glycoside is produced by using the oxazolidine derivative as a sugar donor and also using a sugar dehydrogenase. The method can be applied to the production of a compound having a long sugar chain, and is therefore useful for a production of a physiologically active oligosaccharide, a carrier for a drug delivery system, a surfactant, a carbohydrate pharmaceutical, a glycopeptide, a glycoprotein, a carbohydrate polymer or the like.
    • 公开了以简单方式从非保护性糖制备恶唑啉衍生物的方法和利用上述方法的产物制备糖苷的方法。 通过使用卤代甲脒衍生物作为脱水/缩合剂,在具有游离半缩醛羟基和酰胺基的糖的水溶液中一步合成糖恶唑啉衍生物。 通过使用恶唑烷衍生物作为糖供体并且还使用糖脱氢酶来生产糖苷。 该方法可用于生产具有长糖链的化合物,因此可用于生产生物活性寡糖,药物递送系统的载体,表面活性剂,碳水化合物药物,糖肽,糖蛋白 ,碳水化合物聚合物等。
    • 3. 发明申请
    • DENTAL ADHESIVE COMPOSITION
    • 牙膏组合物
    • US20110098375A1
    • 2011-04-28
    • US12999464
    • 2009-07-22
    • Hidetoshi GyakushiTakeshi SuzukiMihoko KajikawaHideki Kazama
    • Hidetoshi GyakushiTakeshi SuzukiMihoko KajikawaHideki Kazama
    • A61K6/08
    • A61K6/0023C08L43/02
    • [Problems] A dental adhesive composition containing an acid group-containing polymerizable monomer, that can be used as a dental adhesive material or a primer. The dental adhesive composition has excellent durability of adhesion exhibiting further improved adhering strength and durability of adhesion enabling teeth to be more strongly adhered to a composite resin or a prosthetic over extended periods of time.[Means for Solution] The dental adhesive composition contains a polymerizable monomer and ions of an element of the Group IV as basic components, at least 10 mass % of the polymerizable monomer being a polymerizable monomer having a hydrogenphosphate diester group, such as bis(2-methacryloyloxyethyl)hydrogenphosphate or 2-methacryloyloxyethylphenyl hydrogenphosphate, and the content of ions of the element of the Group IV such as titanium ions or zirconium ions in the composition being 0.1 to 1.0 in terms of mole ratio to the hydrogenphosphate diester groups of the polymerizable monomer that has the hydrogenphosphate diester group.
    • [问题]含有含酸基的可聚合单体的牙科粘合剂组合物,其可以用作牙科粘合剂材料或底漆。 牙科粘合剂组合物具有优异的粘合耐久性,其显示出进一步改善的粘合强度和粘合的耐久性,使得齿能够在长时间内更加牢固地粘附到复合树脂或假体上。 [解决方案]牙科用粘合剂组合物含有聚合性单体和IV族元素作为碱性成分的离子,至少10质量%的可聚合单体是具有磷酸二酯基的可聚合单体,例如双(2 - 甲基丙烯酰氧基乙基)磷酸氢盐或2-甲基丙烯酰氧基乙基苯基磷酸氢盐,组合物中IV族元素如钛离子或锆离子的离子含量与可聚合单体的磷酸氢二酯基的摩尔比为0.1至1.0 具有磷酸氢二酯组。
    • 9. 发明授权
    • Dental adhesive composition
    • 牙科粘合剂组成
    • US08796354B2
    • 2014-08-05
    • US12999464
    • 2009-07-22
    • Hidetoshi GyakushiTakeshi SuzukiMihoko KajikawaHideki Kazama
    • Hidetoshi GyakushiTakeshi SuzukiMihoko KajikawaHideki Kazama
    • C08L43/02
    • A61K6/0023C08L43/02
    • [Problems] A dental adhesive composition containing an acid group-containing polymerizable monomer, that can be used as a dental adhesive material or a primer. The dental adhesive composition has excellent durability of adhesion exhibiting further improved adhering strength and durability of adhesion enabling teeth to be more strongly adhered to a composite resin or a prosthetic over extended periods of time.[Means for Solution] The dental adhesive composition contains a polymerizable monomer and ions of an element of the Group IV as basic components, at least 10 mass % of the polymerizable monomer being a polymerizable monomer having a hydrogenphosphate diester group, such as bis(2-methacryloyloxyethyl)hydrogenphosphate or 2-methacryloyloxyethylphenyl hydrogenphosphate, and the content of ions of the element of the Group IV such as titanium ions or zirconium ions in the composition being 0.1 to 1.0 in terms of mole ratio to the hydrogenphosphate diester groups of the polymerizable monomer that has the hydrogenphosphate diester group.
    • [问题]含有含酸基的可聚合单体的牙科粘合剂组合物,其可以用作牙科粘合剂材料或底漆。 牙科粘合剂组合物具有优异的粘合耐久性,其显示出进一步改善的粘合强度和粘合的耐久性,使得齿能够在长时间内更加牢固地粘附到复合树脂或假体上。 [解决方案]牙科用粘合剂组合物含有聚合性单体和IV族元素作为碱性成分的离子,至少10质量%的可聚合单体是具有磷酸二酯基的可聚合单体,例如双(2 - 甲基丙烯酰氧基乙基)磷酸氢盐或2-甲基丙烯酰氧基乙基苯基磷酸氢盐,组合物中IV族元素如钛离子或锆离子的离子含量与可聚合单体的磷酸氢二酯基的摩尔比为0.1至1.0 具有磷酸氢二酯组。
    • 10. 发明申请
    • LIQUID MIXING CONTAINER
    • 液体混合容器
    • US20120160718A1
    • 2012-06-28
    • US13394260
    • 2010-08-20
    • Nobutoshi YamaguchiHidetoshi Gyakushi
    • Nobutoshi YamaguchiHidetoshi Gyakushi
    • B65D25/08
    • B01F13/0033A61C3/005A61C5/60A61C5/68B01F15/0215B01F15/0226
    • [Problems] To provide a two-liquid mixing container which prevents two liquids from being mixed together by erroneous operation and does not permit sheet-like contaminants from mixing into the mixed liquid.[Means for Solution] A container body 2 of the two-liquid mixing container 1 is provided with liquid injection openings 7a, 8a for feeding different treating solutions into a plurality of liquid chambers 7, 8. A liquid chamber opening/closing member 4 is provided with sealing members which are fitted into one end side of the container body 2 and, at an advanced position of having entered into the liquid injection openings, work to close the liquid injection openings 7a, 8a to separately close the liquid chambers 7, 8 and, at a reversed position, work to open the liquid injection openings 7a, 8a permitting the liquid chambers 7, 8 to be communicated with each other.
    • [问题]提供一种防止两种液体通过错误操作混合在一起并且不允许片状污染物混入混合液体的双液体混合容器。 [解决方案]双液混合容器1的容器主体2设置有用于将不同处理溶液供给到多个液体室7,8中的液体注入口7a,8a。液体室开闭部件4 设置有装配在容器主体2的一端侧的密封构件,并且在进入液体注入口的前进位置进行加工以封闭液体注入口7a,8a以分开封闭液体室7,8 并且在反转位置工作以打开允许液体室7,8彼此连通的液体喷射开口7a,8a。