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公开(公告)号：US5063257A
公开(公告)日：1991-11-05
申请号：US448298
申请日：1989-12-11
申请人： Shoji Akahane , Satoshi Tosaki , Yukiharu Kusayanagi , Shigenobu Kusakai , Kazuo Hirota , Kentaro Tomioka
发明人： Shoji Akahane , Satoshi Tosaki , Yukiharu Kusayanagi , Shigenobu Kusakai , Kazuo Hirota , Kentaro Tomioka
CPC分类号： A61K6/0835 , A61K6/0091 , Y10S522/908
摘要： A dental glass ionomer cement composition comprises:(a) 5 to 100 parts by weight of a polymer of an .alpha.-.beta. unsaturated carboxylic acid having a weight average molecular weight of 5,000 to 40,000,(b) 5 to 100 parts by weight of a fluoroaluminosilicate glass powder having an average particle size of 0.02 to 10 .mu.m and a specific gravity of 2.4 to 4.0 and capable of reacting with said "polymer of an .alpha.-.beta. unsaturated carboxylic acid having a weight average molecular weight of 5,000 to 40,000",(c) 5 to 100 parts by weight of a polymerizable unsaturated organic compound having at least one CH.sub.2 .dbd.C(R1)--COO--group wherein R1=H or CH.sub.3,(d) 0.01 to 5 parts by weight of a polymerization catalyst,(e) 2 to 50 parts by weight of water,(f) 0.01 to 20 parts by weight of a surface active agent, and(g) 0.01 to 5 parts by weight of a reducing agent, and optionally h. 0 to 50 parts by weight of an inorganic filler having an average particle size of 0.02 to 10 .mu.m and undergoing no reaction with said "polymer of an .alpha.-.beta. unsaturated carboxylic acid having a weight average molecular weight of 5,000 to 40,000".
摘要翻译： 牙科玻璃离聚物粘合剂组合物包含：（a）5至100重量份的重均分子量为5,000至40,000的α-β不饱和羧酸的聚合物，（b）5至100重量份的 平均粒径为0.02〜10μm，比重为2.4〜4.0，能够与所述“重均分子量为5,000〜40,000的α-β不饱和羧酸的聚合物”反应的氟铝硅酸盐玻璃粉末， （c）5至100重量份具有至少一个CH 2 = C（R 1）-COO-基团的可聚合不饱和有机化合物，其中R1 = H或CH3，（d）0.01至5重量份的聚合催化剂， （e）2至50重量份的水，（f）0.01至20重量份的表面活性剂，和（g）0.01至5重量份的还原剂，以及任选的h。 0〜50重量份平均粒径为0.02〜10μm的无机填料，并且与所述“所述重均分子量为5,000〜40,000的α-β不饱和羧酸的聚合物不反应”。
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公开(公告)号：US4900697A
公开(公告)日：1990-02-13
申请号：US150299
申请日：1988-01-29
申请人： Shoji Akahane , Satoshi Tosaki , Kazuo Hirota , Kentaro Tomioka
发明人： Shoji Akahane , Satoshi Tosaki , Kazuo Hirota , Kentaro Tomioka
CPC分类号： A61K6/0023 , A61K6/0835 , C03C15/00 , C03C3/062 , C03C3/112 , C04B12/00 , C04B28/005 , C04B28/28 , C04B2111/00836
摘要： A fluoroaluminosilicate glass powder for dental glass ionomer cements has a specific gravity of 2.4 to 3.5 and a mean particle size of 0.02 to 10 .mu.m, contains in its components 20 to 50% by weight of SiO.sub.2, 20 to 40% by weight of Al.sub.2 O.sub.3, 15 to 40% by weight of SrO, 1 to 20% by weight of F.sub.2 and 0 to 15% by weight of P.sub.2 O.sub.5 on the converted oxide basis, and is substantially free from alkali metal ions such as Li, Na, K, Rb and Cs ions, and Be, Mg (and Ca) and Ba ions of alkali earth metal ions. For further improvements in physical properties, 100 parts by weight of the glass powder are surface-treated with 0.01 to 5 parts by weight of an acid and/or a fluoride.
摘要翻译： 用于牙科玻璃离聚物粘固剂的氟铝硅酸盐玻璃粉末的比重为2.4至3.5，平均粒径为0.02至10微米，其组分包含20至50重量％的SiO 2，20至40重量％的Al 2 O 3 ，15〜40重量％的SrO，1〜20重量％的F 2和0〜15重量％的P 2 O 5，基本上不含碱金属离子如Li，Na，K，Rb 和Cs离子，以及碱土金属离子的Be，Mg（和Ca）和Ba离子。 为了进一步改善物理性能，将100重量份的玻璃粉末用0.01至5重量份的酸和/或氟化物进行表面处理。
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公开(公告)号：US4775592A
公开(公告)日：1988-10-04
申请号：US898947
申请日：1986-08-21
申请人： Shoji Akahane , Kazuo Hirota , Kentaro Tomioka
发明人： Shoji Akahane , Kazuo Hirota , Kentaro Tomioka
IPC分类号： A61K6/027 , A61K6/06 , A61K6/083 , C03C3/062 , C03C3/097 , C03C3/112 , C03C12/00 , C03C17/22 , C03C3/076
CPC分类号： A61K6/0023 , A61K6/0017 , A61K6/0835 , C03C17/22 , C03C3/062 , C03C3/112 , C03C2217/285 , C03C2218/111 , Y10T428/2993 , Y10T428/2996
摘要： A fluoroaluminosilicate glass powder for dental glass ionomer cement, a surface of which is treated with a fluoride in an amount of from 0.01 to 5 parts by weight based on 100 parts by weight of the glass powder, is disclosed. The fluoroaluminosilicate glass powder of the invention is improved in not only physical properties such as crushing strength but also mixing workability without impairing the inherent characteristics thereof for the dental use.
摘要翻译： 公开了一种用于牙科玻璃离聚物粘固剂的氟铝硅酸盐玻璃粉末，其表面用基于100重量份玻璃粉末的0.01至5重量份的氟化物处理。 本发明的氟铝硅酸盐玻璃粉末不仅能够改善破碎强度等物理性能，而且可以改善混合加工性，而不会损害牙科用途的固有特性。
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公开(公告)号：US4342677A
公开(公告)日：1982-08-03
申请号：US263589
申请日：1981-05-14
CPC分类号： A61K6/0835
摘要： A liquid for setting dental cements comprising a aqueous solution of a copolymer of acryclic acid and maleic acid, tartaric acid and one or more fluorocomplex salt.
摘要翻译： 一种用于设置牙科用水泥的液体，其包含丙烯酸和马来酸的共聚物的水溶液，酒石酸和一种或多种氟复合盐。
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公开(公告)号：US4632824A
公开(公告)日：1986-12-30
申请号：US617817
申请日：1984-06-06
申请人： Kazuo Hirota , Shoji Akahane , Kentaro Tomioka
发明人： Kazuo Hirota , Shoji Akahane , Kentaro Tomioka
IPC分类号： A61K8/96 , A61K6/00 , A61K8/00 , A61K8/33 , A61K8/60 , A61K8/64 , A61K9/68 , A61Q11/00 , A61K7/16 , A61K7/24 , A61K7/26
摘要： A composition applied in the mouth which has a preventive effect on dental carries and contains such tannic acid derivatives as of solubility resistance to water.
摘要翻译： 适用于对口腔具有预防作用的口腔中的组合物，并含有对水的耐溶解性的这种单宁酸衍生物。
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公开(公告)号：US4524824A
公开(公告)日：1985-06-25
申请号：US484517
申请日：1983-04-13
申请人： Hirokata Shimokobe , Sueo Saito , Kentaro Tomioka , Shoji Akahane , Kazuo Hirota
发明人： Hirokata Shimokobe , Sueo Saito , Kentaro Tomioka , Shoji Akahane , Kazuo Hirota
CPC分类号： A61K6/0835
摘要： A dental cement comprising a cement powder to which are added one or more of tannic acid derivatives consisting of the group of a tannic acid-protein combination, a tannic acid-formaldehyde combination, acetyl tannate and a metal salt of tannic acid, said tannic acid derivatives being sparingly soluble in water.
摘要翻译： 一种含有水泥粉末的牙科水泥，其中加入一种或多种由单宁酸 - 蛋白质组合，单宁酸 - 甲醛组合，鞣酸乙酰基鞣酸盐和鞣酸酸金属盐组成的单宁酸衍生物，所述单宁酸 衍生物微溶于水。
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7.发明授权Liquid of acrylic copolymer and tetrahydrofurantetracarboxylic acid for setting dental cements 失效丙烯酸共聚物和四氢呋喃四羧酸的液体用于固定牙科用水泥
公开(公告)号：US4374936A
公开(公告)日：1983-02-22
申请号：US263724
申请日：1981-05-14
CPC分类号： A61K6/0835
摘要： A liquid for setting dental cements is provided, in which an aqueous solution of a copolymer of acrylic and maleic acids contains a tetrahydrofurantetracarboxylic acid alone or in combination with at least one of tartaric acid, a fluorocomplex salt and a specific organic carboxylic acid. The specific organic carboxylic acid is expressed by the general formula:C.sub.m H.sub.n (COOH).sub.x (OH).sub.y
摘要翻译： 提供了用于设置牙科用粘固剂的液体，其中丙烯酸和马来酸的共聚物的水溶液单独含有四氢呋喃四羧酸，或与酒石酸，氟代复合盐和特定的有机羧酸中的至少一种组合。 特定的有机羧酸由以下通式表示：CmHn（COOH）x（OH）
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公开(公告)号：US4652593A
公开(公告)日：1987-03-24
申请号：US828706
申请日：1986-02-12
申请人： Haruyuki Kawahara , Shoji Takeda , Hiroshi Oshima , Kentaro Tomioka , Shoji Akahane , Eiichi Yoshii , Kazuo Hirota
发明人： Haruyuki Kawahara , Shoji Takeda , Hiroshi Oshima , Kentaro Tomioka , Shoji Akahane , Eiichi Yoshii , Kazuo Hirota
CPC分类号： A61K6/0038 , A61K6/0215 , A61K6/023 , A61K6/083 , A61K6/097 , C04B28/06 , C04B2111/00836
摘要： A dental cement composition consisting of a composition A and a composition B,said composition A comprising (a) 100 parts by weight of a powder containing 20 to 70% by weight of calcium oxide and 30 to less than 80% by weight of aluminum oxide, said powder being coated on the surface with a water-soluble high-molecular substance, and (b) 2 to 70 parts by weight of a calcium hydroxide powder, andsaid composition B comprising an aqueous solution containing 0.01 to 70% by weight of a water-soluble high-molecular substance.
摘要翻译： 由组合物A和组合物B组成的牙科水泥组合物，所述组合物A包含（a）100重量份的含有20-70重量％的氧化钙和30至小于80重量％的氧化铝的粉末 所述粉末用水溶性高分子物质涂覆在表面上，和（b）2-70重量份氢氧化钙粉末，所述组合物B包含含有0.01-70重量％ 一种水溶性高分子物质。
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公开(公告)号：US4647600A
公开(公告)日：1987-03-03
申请号：US828704
申请日：1986-02-12
申请人： Haruyuki Kawahara , Shoji Takeda , Hiroshi Oshima , Kentaro Tomioka , Shoji Akahane , Eiichi Yoshii , Kazuo Hirota
发明人： Haruyuki Kawahara , Shoji Takeda , Hiroshi Oshima , Kentaro Tomioka , Shoji Akahane , Eiichi Yoshii , Kazuo Hirota
CPC分类号： A61K6/0038 , A61K6/0643 , A61K6/0675 , A61K6/0835 , A61K6/087
摘要： A dental cement composition consisting of a composition A and a composition B,said composition A comprising at least two powders, (a) 100 parts by weight of a powder containing more than 20% by weight to 70% by weight of calcium oxide and 30% by weight to less than 80% by weight of aluminium oxide and treated on the surface with 0.01 to 5% by weight of at least one selected from the group consisting organic acids and/or inorganic acids, and (b) 2 to 70 parts by weight of a calcium hydroxide powder, andsaid composition B comprising of an aqueous solution containing 0.01 to 70% by weight of a water-soluble high-molecular substance.
摘要翻译： 由组合物A和组合物B组成的牙科用水泥组合物，所述组合物A包含至少两种粉末，（a）100重量份含有超过20重量％至70重量％的氧化钙和30重量％ 重量％至小于80重量％的氧化铝，并在表面上用0.01至5重量％的选自有机酸和/或无机酸的至少一种进行处理，和（b）2至70份 的氢氧化钙粉末，所述组合物B由含有0.01〜70重量％水溶性高分子物质的水溶液构成。
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公开(公告)号：US4591384A
公开(公告)日：1986-05-27
申请号：US632462
申请日：1984-07-19
申请人： Shoji Akahane , Kazuo Hirota , Kentaro Tomioka
发明人： Shoji Akahane , Kazuo Hirota , Kentaro Tomioka
CPC分类号： A61K6/033 , A61K6/0643 , A61K6/0675 , A61K6/0835
摘要： A dental cement composition comprises a first ingredient containing as the main component a metal oxide and a second ingredient capable of reacting with the first ingredient to form a set mass, and further contains a tannic acid derivative that is sparingly soluble in water and a reducing agent that is soluble in water. The instant cement composition may contain an aluminum salt to improve the properties thereof.
摘要翻译： 牙科用水泥组合物包含含有作为主要成分的金属氧化物的第一成分和能够与第一成分反应形成固化物质的第二成分，还含有微溶于水的还原剂 即溶于水。 本发明的水泥组合物可以含有铝盐以改善其性能。
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