专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US4567030A Amorphous, spherical inorganic compound and process for preparation thereof 失效
公开(公告)号：US4567030A
公开(公告)日：1986-01-28
申请号：US452735
申请日：1982-12-23
申请人： Shigeki Yuasa , Minahiro Okabayashi , Hideki Ohno , Katsumi Suzuki , Koshi Kusumoto
发明人： Shigeki Yuasa , Minahiro Okabayashi , Hideki Ohno , Katsumi Suzuki , Koshi Kusumoto
IPC分类号： C01G17/00 , A61K6/02 , A61K6/083 , B01J20/10 , B01J21/08 , B01J35/10 , C01B33/12 , C01B33/152 , C01B33/20 , C01B33/26 , C01B35/10 , C01G19/00 , C01G23/00 , C01G25/00 , C08K3/00 , C08K3/34 , C08K3/36 , C09C1/00
CPC分类号： B01J20/10 , A61K6/0008 , A61K6/0073 , C01B33/20 , C01B33/26 , C01B35/10 , C09C1/0081 , C01P2002/02 , C01P2004/32
摘要： Disclosed is an amorphous, spherical inorganic compound having a particle size of 0.1 to 1.0 .mu.m, which comprises as main constituents (1) an oxide of at least one metal selected from the group consisting of metals of the Groups I, II, III and IV of the Periodic Table, said metal oxide being capable of combining with silicon dioxide, and (2) silica.This amorphous, spherical inorganic compound is prepared by a process comprising adding a mixed solution containing a hydrolyzable organic silicon compound and a hydrolyzable organic compound of at least one metal (M) selected from the group consisting of metals of the Groups I, II, III and IV of the Periodic Table to an alkaline solvent capable of dissolving said organic silicon compound and said organic metal compound therein but substantially incapable of dissolving a reaction product of both the organic silicon compound and the organic metal compound therein, effecting the hydrolysis to precipitate the reaction product and, if necessary, calcining the reaction product.

2. 发明授权

US4764497A Amorphous, spherical inorganic compound and process for preparation thereof 失效
标题翻译：无定形球形无机化合物及其制备方法
公开(公告)号：US4764497A
公开(公告)日：1988-08-16
申请号：US804181
申请日：1985-12-03
申请人： Shigeki Yuasa , Minahiro Okabayashi , Hideki Ohno , Katsumi Suzuki , Koshi Kusumoto
发明人： Shigeki Yuasa , Minahiro Okabayashi , Hideki Ohno , Katsumi Suzuki , Koshi Kusumoto
IPC分类号： C01G17/00 , A61K6/02 , A61K6/083 , B01J20/10 , B01J21/08 , B01J35/10 , C01B33/12 , C01B33/152 , C01B33/20 , C01B33/26 , C01B35/10 , C01G19/00 , C01G23/00 , C01G25/00 , C08K3/00 , C08K3/34 , C08K3/36 , C09C1/00
CPC分类号： B01J20/10 , A61K6/0008 , A61K6/0073 , C01B33/20 , C01B33/26 , C01B35/10 , C09C1/0081 , C01P2002/02 , C01P2004/32
摘要： Disclosed is an amorphous, spherical inorganic compound having a particle size of 0.1 to 1.0 .mu.m, which comprises as main constituents (1) an oxide of at least one metal selected from the group consisting of metals of the Groups I, II, III and IV of the Periodic Table, said metal oxide being capable of combining with silicon dioxide, and (2) silica.This amorphous, spherical inorganic compound is prepared by a process comprising adding a mixed solution containing a hydrolyzable organic silicon compound and a hydrolyzable organic compound of at least one metal (M) selected from the group consisting of metals of the Groups I, II, III and IV of the Periodic Table to an alkaline solvent capable of dissolving said organic silicon compound and said organic metal compound therein but substantially incapable of dissolving a reaction product of both the organic silicon compound and the organic metal compound therein, effecting the hydrolysis to precipitate the reaction product and, if necessary, calcining the reaction product.
摘要翻译：公开了一种粒径为0.1〜1.0μm的无定形球形无机化合物，其包含主要成分（1）选自由I，II，III族金属组成的组中的至少一种金属的氧化物，以及 IV，所述金属氧化物能够与二氧化硅结合，和（2）二氧化硅。该无定形球形无机化合物是通过以下方法制备的，该方法包括加入含有可水解有机硅化合物和至少一种金属（M）的可水解有机化合物的混合溶液，所述金属选自第I，II，III族金属和IV表示为能够溶解所述有机硅化合物和所述有机金属化合物的碱性溶剂，但基本上不能溶解有机硅化合物和有机金属化合物的反应产物，从而使水解沉淀反应产物，如果需要，煅烧反应产物。

3. 发明授权

US4591575A Novel crystalline metal oxide and process for production thereof 失效
标题翻译：新型结晶金属氧化物及其生产方法
公开(公告)号：US4591575A
公开(公告)日：1986-05-27
申请号：US606610
申请日：1984-05-03
申请人： Minahiro Okabayashi , Shigeki Yuasa , Koshi Kusumoto
发明人： Minahiro Okabayashi , Shigeki Yuasa , Koshi Kusumoto
IPC分类号： C01B33/113 , A61K6/08 , A61K6/083 , B01J20/10 , B01J39/14 , C01B33/12 , C01B33/20 , C04B35/622 , C08K3/22 , C08K3/34 , C30B7/00 , C04B35/16 , C09K3/10
CPC分类号： C30B29/22 , A61K6/083 , C01B33/20 , C04B35/6224 , C04B35/62259 , C08K3/22 , C08K3/34 , C30B7/00
摘要： A crystalline metal oxide in the form of a solid solution comprising an oxide of a metal of Group II of the periodic table, titanium oxide and silicon dioxide as main components and having main peaks at about 26.7.degree. and about 20.9.degree. in its Cu-K.alpha. X-ray diffraction pattern (2.theta.) and a specific refractive index. The crystalline metal oxide is produced, for example, by dissolving a compound of a metal of Group II of the periodic table, a hydrolyzable organic silicon compound and a hydrolyzable titanium compound in an organic solvent, hydrolyzing said starting compounds in said solution or after said solution is added to a separately prepared solvent incapable of dissolving the reaction product, thereby to form a sol- or gel-like product, and thereafter calcining the sol- or gel-like product at a temperature and for a period of time sufficient to crystallize said product.
摘要翻译：固体溶液形式的结晶金属氧化物，其包含周期表第II族金属的氧化物，氧化钛和二氧化硅作为主要组分，并且在其Cu-K中具有约26.7°和约20.9°的主峰 αX射线衍射图（2θ）和特定折射率。结晶金属氧化物例如通过将有机溶剂中的元素周期表第II族金属的化合物，可水解的有机硅化合物和可水解的钛化合物溶解在所述溶液中或在所述溶液中水解所述起始化合物将溶液加入到不能溶解反应产物的单独制备的溶剂中，从而形成溶胶 - 或凝胶状产物，然后在足以结晶的温度和时间内煅烧溶胶 - 或凝胶状产物说产品。

4. 发明授权

US5856374A Curable composition 失效
标题翻译：可固化组合物
公开(公告)号：US5856374A
公开(公告)日：1999-01-05
申请号：US962035
申请日：1997-10-31
申请人： Toru Ono , Masatugu Kusano , Masataka Himeno , Shigeki Yuasa
发明人： Toru Ono , Masatugu Kusano , Masataka Himeno , Shigeki Yuasa
IPC分类号： A61K6/08 , A61K6/083 , C08K3/22 , C08K3/34 , C08K3/36
CPC分类号： A61K6/083
摘要： A curable composition comprising (i) a polymerizable monomer, (ii) irregular-shaped inorganic particles (A) having an average particle diameter of from 1 to 9 .mu.m, and containing particles having particle diameters of not smaller than 10 .mu.m in an amount of not larger than 3% by weight, such as silica-zirconia irregular-shaped particles, (iii) spherical inorganic particles (B) having an average particle diameter of from 0.1 to 5 .mu.m, such as spherical silica-zirconia particles; (iv) inorganic fine particles (C) having an average particle diameter of from 0.01 to 0.1 .mu.m, such as fine particles of at least one inorganic oxide selected from the group consisting of silica, alumina, silica-zirconia and silica-titania; and (v) a polymerization initiator; wherein the irregular-shaped inorganic particles (A), spherical inorganic particles (B) and inorganic fine particles (C) are used in a total amount of from 300 to 1900 parts by weight per 100 parts by weight of the polymerizable monomer, and, when the total amount of the spherical inorganic particles (B) and the inorganic fine particles (C) is set to be 100% by weight, the spherical inorganic particles (B) are used at a ratio of from 50 to 99% by weight and the inorganic fine particles (C) are used at a ratio of from 50 to 1% by weight, and wherein the weight ratio �(A)/{(B)+(C)}! of the irregular-shaped inorganic particles (A) to the total amount of the spherical inorganic particles (B) and the inorganic fine particles (C) is from 0.3 to 3, and the polymerization initiator is used in an amount of from 0.01 to 5 parts by weight per 100 parts by weight of the polymerizable monomer.
摘要翻译：一种可固化组合物，其包含（i）可聚合单体，（ii）平均粒径为1至9μm的不规则形状的无机颗粒（A），并且含有粒径不小于10μm的颗粒不大于3重量％的量，例如二氧化硅 - 氧化锆不规则形颗粒，（iii）平均粒径为0.1-5μm的球形无机颗粒（B），如球形二氧化硅 - 氧化锆颗粒; （iv）平均粒径为0.01〜0.1μm的无机细颗粒（C），例如选自二氧化硅，氧化铝，二氧化硅 - 氧化锆和二氧化硅 - 二氧化钛的至少一种无机氧化物的细颗粒; 和（v）聚合引发剂; 其中所述不规则形状的无机颗粒（A），球形无机颗粒（B）和无机细颗粒（C）的使用量相对于每100重量份的可聚合单体为300至1900重量份，当将球形无机颗粒（B）和无机细颗粒（C）的总量设定为100重量％时，球形无机颗粒（B）以50至99重量％的比例使用，和无机微粒（C）的使用比例为50〜1重量％，不规则形状的无机粒子（A）的重量比[（A）/ {（B）+（C）}] ）相对于球形无机颗粒（B）和无机微粒（C）的总量为0.3〜3，聚合引发剂的使用量为每100重量份的0.01-5重量份可聚合单体。

5. 发明授权

US5609675A Inorganic composition 失效
标题翻译：无机组成
公开(公告)号：US5609675A
公开(公告)日：1997-03-11
申请号：US496280
申请日：1995-06-30
申请人： Masaki Noritake , Shigeki Yuasa
发明人： Masaki Noritake , Shigeki Yuasa
IPC分类号： A61K6/027 , A61K6/06 , A61K6/083 , C01B13/14 , C01B33/18 , C04B14/02 , C04B14/06 , C04B20/00 , C04B20/10 , C04B26/06 , C08K3/22 , C04B35/10
CPC分类号： A61K6/0008 , A61K6/0088 , A61K6/0235 , A61K6/024 , C04B14/062 , C04B20/008 , C04B26/06 , C08K3/22 , C04B2111/00836
摘要： An inorganic composition comprises (A) 60 to 99% by weight of spherical inorganic oxide particles having a mean particle diameter greater than 0.1 .mu.m but not greater than 1 .mu.m, and (B) 40 to 1% by weight of inorganic oxide fine particles having a mean particle diameter not greater than 0.1 .mu.m, wherein a volume of micro pores due to strongly aggregated particles having pore diameters not smaller than 0.08 .mu.m is not greater than 0.1 cc per gram of the inorganic composition. The inorganic composition, when mixed with a polymerizable monomer and a catalyst, provides a composite useful for dental applications which has excellent surface smoothness, can be polished in a short time, exhibits improved bending strength, compressive strength, surface hardness and wear resistance and causes little wear on an antagonistic tooth.
摘要翻译：无机组合物包含（A）60至99重量％的平均粒径大于0.1μm但不大于1μm的球形无机氧化物颗粒，和（B）40至1重量％的无机氧化物精细平均粒径不大于0.1μm的颗粒，其中由于具有不小于0.08μm孔径的强凝聚颗粒的微孔体积不大于每克无机组合物0.1cc。当与可聚合单体和催化剂混合时，无机组合物提供了具有优异表面平滑性的牙科用途的复合物，能够在短时间内被抛光，抗弯强度，抗压强度，表面硬度和耐磨性提高对抗性牙齿的磨损少。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式