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公开(公告)号：KR100496458B1
公开(公告)日：2005-06-23
申请号：KR1020020052566
申请日：2002-09-02
Applicant: 재단법인서울대학교산학협력재단
IPC: A61L27/10
CPC classification number: C03C4/0007 , A61L27/10 , A61L27/58 , C03C3/064 , C03C3/112 , C03C4/0014 , C03C8/22 , C03C10/00 , C03C11/00 , C03C12/00
Abstract: 본 발명은 생분해 속도가 늦은 결정화 유리와 생분해 속도가 빠른 결정화 유리를 복합 조성함으로써 생체 활성을 유지하면서 생체 분해 속도가 복합 비율에 따라 조절되는 결정화 유리에 관한 것이다.
본 발명은 산화칼슘(CaO), 실리카(SiO
2 ), 산화붕소(B
2 O
3 ), 산화마그네슘(MgO), 불화칼슘(CaF
2 ), 오산화인(P
2 O
5 )으로 조성된 것을 특징으로 하는 생체 흡수형 생체 활성 결정화 유리를 제공한다.-
公开(公告)号：KR1020050021856A
公开(公告)日：2005-03-07
申请号：KR1020030060010
申请日：2003-08-28
Applicant: 재단법인서울대학교산학협력재단
IPC: C01B25/32
CPC classification number: C01B25/32 , C01P2004/10 , C01P2004/20
Abstract: PURPOSE: To provide a method for preparing apatite powder having various shapes, sizes and specific surface areas by controlling reaction temperature and drying conditions. CONSTITUTION: The method for preparing apatite powder comprises steps of: preparing a mixed aqueous solution comprising calcium salt and phosphate; producing an intermediate reaction product having a phase different from that of the apatite by reacting calcium salt with phosphate in the aqueous solution; aging the aqueous solution to synthesize apatite powder from the intermediate reaction product; and drying a slurry precipitated in the aqueous solution, wherein the intermediate reaction product is dicalcium phosphate dihydrate, wherein the calcium salt is calcium hydroxide, and the phosphate is phosphoric acid, wherein the aging step is performed at a temperature of 5 to 90 deg.C, and wherein the apatite powder is formed in a lamella particle shape.
Abstract translation: 目的：提供通过控制反应温度和干燥条件制备具有各种形状，大小和比表面积的磷灰石粉末的方法。 构成：制备磷灰石粉末的方法包括以下步骤：制备包含钙盐和磷酸盐的混合水溶液; 通过在水溶液中使钙盐与磷酸盐反应，生成具有与磷灰石不同的相的中间反应产物; 老化水溶液以从中间反应产物合成磷灰石粉末; 并干燥在所述水溶液中沉淀的浆料，其中所述中间反应产物是磷酸二钙二水合物，其中所述钙盐是氢氧化钙，并且所述磷酸盐是磷酸，其中所述老化步骤在5至90℃的温度下进行。 C，并且其中所述磷灰石粉末形成为薄片颗粒形状。
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公开(公告)号：KR100465984B1
公开(公告)日：2005-01-17
申请号：KR1020020045175
申请日：2002-07-31
Applicant: 재단법인서울대학교산학협력재단
IPC: A61L27/10
Abstract: PURPOSE: Provided are a bio-active ceramics and a metallic implant used in surgical and dental applications coated with the ceramics in order to increase bio-affinity to a subject having the implant. CONSTITUTION: The bio-active ceramics comprises 40-49 wt.% of CaO, 40-49 wt.% of silica(SiO2) and 2-20 wt.% of B2O3. The process for producing the metallic implant comprises steps of preparing the bio-active ceramic by fusing raw material consisting of CaO, SiO2, B2O3 and quenching the fused material; grinding the frozen material into powders having less than 10 micrometer size; preparing slurry by adding aqueous or organic solvents and a binder; applying the slurry to a metallic implant by means of brush; and sintering the coated implant at 700-950 deg.C.
Abstract translation: 目的：提供一种生物活性陶瓷和金属植入物，其用于外科和牙科应用中涂覆有陶瓷以增加具有植入物的对象的生物亲和力。 构成：生物活性陶瓷包含40-49重量％的CaO，40-49重量％的二氧化硅（SiO2）和2-20重量％的B2O3。 生产金属植入物的方法包括以下步骤：通过熔化由CaO，SiO2，B2O3组成的原材料并淬火熔融材料来制备生物活性陶瓷; 将冷冻材料研磨成小于10微米大小的粉末; 通过加入水溶液或有机溶剂和粘合剂制备浆液; 通过刷子将浆料施加到金属植入物上; 并在700-950℃下烧结涂覆的植入物。
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公开(公告)号：KR1020040019637A
公开(公告)日：2004-03-06
申请号：KR1020020051243
申请日：2002-08-28
Applicant: 재단법인서울대학교산학협력재단
CPC classification number: C03C11/00
Abstract: PURPOSE: Provided is a simple manufacturing method of porous ceramics with high porosity, strength and softness by using the composition containing self-foaming inorganic constituents instead of adding a gas-foaming polymer through conventional ceramic process. CONSTITUTION: The self-foaming type porous ceramic composition contains calcium oxide(CaO), silica(SiO2), and borate(B2O3) self-foamed automatically at high temperature in a molar ratio of 43-47 : 43-47 : 6-14. The porous ceramics are manufactured by preparing glass comprising the above components, grinding into a size of 1-10micrometer, forming and thermal treating at 950-1200deg.C. The resultant ceramics are applied to heat insulating materials, catalyst carriers and artificial bones.
Abstract translation: 目的：通过使用含有自发泡性无机成分的组合物代替通过常规陶瓷工艺添加气泡聚合物，提供了具有高孔隙率，强度和柔软度的多孔陶瓷的简单制造方法。 构成：自发泡型多孔陶瓷组合物含有氧化钙（CaO），二氧化硅（SiO 2）和硼酸盐（B 2 O 3），其自身在高温下自发发泡，摩尔比为43-47:43-47:6-14 。 多孔陶瓷通过制备包含上述组分的玻璃制成，研磨成1-10微米的尺寸，在950-1200℃下进行热处理。 将所得的陶瓷应用于隔热材料，催化剂载体和人造骨。
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公开(公告)号：KR100957691B1
公开(公告)日：2010-05-12
申请号：KR1020070112854
申请日：2007-11-06
Applicant: 강릉원주대학교산학협력단 , 재단법인서울대학교산학협력재단
Abstract: 본 발명에 따른 부식진단장치는 콘크리트 구조물 내부에 배치되는 감지구조물; 상기 감지구조물과 연결되어 콘크리트 구조물의 외부까지 형성되는 연결선; 상기 연결선의 단부에 형성되는 단자부를 포함한다.
또한 본 발명에 따른 콘크리트 구조물 부식진단방법은 콘크리트 구조물을 시공하면서 상기 콘크리트 구조물 내부에 감지구조물을 설치하는 단계; 상기 감지구조물에 연결되며, 상기 콘크리트 구조물 외부에 까지 형성되는 연결선을 인출하는 단계; 상기 연결선의 단부에 단자부를 마련하는 단계; 상기 단자부에 측정장치를 연결시켜 콘트리트 구조물의 내부부식을 측정하는 단계를 포함한다.
따라서 본 발명에 의해 제조된 부식진단장치는 전기저항 혹은 광신호 전달 저항이 부식에 의하여 변화하는 물질로 형성된 감지구조물(예로써 선, 루프, 망등)을 콘크리트 시공 시에 콘크리트 내부에 함께 설치하고 연결선을 통해 콘크리트 구조물 외부로 단자를 인출하여, 콘크리트 구조물의 내구성 평가가 필요한 임의 시점에 도달하였을 때, 감지구조가 나타내는 전기저항 혹은 광신호 전달저항을 측정하고 이전의 데이터와 비교를 함으로써 콘크리트구조물 내부의 손상이나 노후 정도를 손쉽게 진단할 수 있는 효과가 있다.-
Patent Agency Ranking
公开(公告)号：KR1020100007548A
公开(公告)日：2010-01-22
申请号：KR1020080068217
申请日：2008-07-14
Applicant: 주식회사 바이오알파 , 재단법인서울대학교산학협력재단 , 주식회사 대웅제약
CPC classification number: A61M27/00 , A61M1/0088
Abstract: PURPOSE: A medical treatment suction head is provided, which induces smooth suction of exudate by guiding exudate absorbed into a porous pad to a through hole at the minimum distance through a plurality of guide channels. CONSTITUTION: A medical treatment suction head(100) comprises a flange part(110) in which a through hole(113) is formed in the center and which is formed in one side coming into contact with the porous pad attached to the wound area, forms a plurality of single flow channels, and has a plurality of guide channels(111) guiding exudate to the through hole; and a connection pipe in which one end communicates with the through hole of the flange part and the other end is coupled not be separated when being connected to the drain tube.
Abstract translation: 目的：提供一种医疗吸头，通过多个引导通道将吸收到多孔垫中的渗出物以最小距离引导到通孔，从而引起渗出物的平滑吸引。 构成：医疗用吸头（100）包括：凸缘部（110），其中在中心形成有通孔（113），并形成在与附着于伤口部位的多孔垫接触的一侧， 形成多个单一流动通道，并且具有引导渗出物通过所述通孔的多个引导通道（111） 以及连接管，其一端与凸缘部的通孔连通，另一端在连接到排水管时不会分离。
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公开(公告)号：KR1020090119180A
公开(公告)日：2009-11-19
申请号：KR1020080045062
申请日：2008-05-15
Applicant: 삼성모바일디스플레이주식회사 , 재단법인서울대학교산학협력재단
CPC classification number: C01B33/20 , C09K11/595
Abstract: PURPOSE: A method for preparing zinc silicate-based phosphors is provided to synthesize a nano phosphor with uniform particle size distribution, and to enable a low-temperature process. CONSTITUTION: A method for preparing zinc silicate-based phosphors comprises the steps of: preparing the solution including Zn and Si precursors; forming a precipitate by adding a co-precipitator in the solution; and heat-treating the solution and synthesizing zinc silicate. A zinc silicate-based phosphor uses at least one selected from the group consisting of ethanol, methanol, 1-propanol, isopropanol, 1-butanol, 2-butanol, 1-pentanol, 2-pentanol, 3-pentanol, and 1-hexanol and 1-heptanol and uses hydrazine as a co-precipitator.
Abstract translation: 目的：提供一种制备硅酸锌基磷光体的方法，以合成具有均匀粒度分布的纳米磷光体，并实现低温工艺。 构成：制备基于硅酸锌的磷光体的方法包括以下步骤：制备包括Zn和Si前体的溶液; 通过在溶液中加入共沉淀器形成沉淀物; 并对该溶液进行热处理并合成硅酸锌。 硅酸锌系荧光体使用选自乙醇，甲醇，1-丙醇，异丙醇，1-丁醇，2-丁醇，1-戊醇，2-戊醇，3-戊醇和1-己醇中的至少一种 和1-庚醇，并使用肼作为共沉淀剂。
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公开(公告)号：KR100927181B1
公开(公告)日：2009-11-18
申请号：KR1020080004497
申请日：2008-01-15
Applicant: 재단법인서울대학교산학협력재단
IPC: C01G29/00
Abstract: A method for synthesizing multiferroic bismuth ferrite powder is provided to lower synthetic temperature by 100°C and to synthesize uniform sized of multiferroic bismuth ferrite powder 100nm in diameter. A method for synthesizing multiferroic bismuth ferrite powder comprises: a first step of melting raw material powder in distilled water to prepare a mixed solution(S100); a second step of adding a surfactant to the mixed solution(S110); a third step of preparing an intensifier(S120); a fourth step of mixing the mixed solution, the surfactant and intensifier and stirring them(S130); a fifth step of hydrothermally synthesizing the stirred solution to obtain powder(S140); and a sixth step of washing the powder and freeze drying it(S150).
Abstract translation: 提供一种合成多铁铋铁氧体粉末的方法，以将合成温度降低100℃并合成均匀尺寸的直径为100nm的多铁铋铁氧体粉末。 一种合成多铁铋铁酸盐粉末的方法包括：第一步，将原料粉末在蒸馏水中熔化以制备混合溶液（S100）; 向混合溶液中加入表面活性剂的第二步骤（S110）; 准备增强器的第三步骤（S120）; 第四步，将混合溶液，表面活性剂和增强剂混合并搅拌（S130）; 水热合成搅拌溶液以获得粉末的第五步骤（S140）; 和清洗粉末并将其冷冻干燥的第六步骤（S150）。
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公开(公告)号：KR1020090091571A
公开(公告)日：2009-08-28
申请号：KR1020080016915
申请日：2008-02-25
Applicant: 재단법인서울대학교산학협력재단
CPC classification number: B82B3/0038 , B01J35/004 , B82Y30/00 , B82Y40/00 , C01B25/26
Abstract: A three-dimensional nanostructure of phosphate-based hydroxide and a preparing method thereof are provided as a photo-catalyst to decompose environmental pollutants such as volatile organic compounds and waste water. A method for preparing a three-dimensional nanostructure represented by the formula of (A2-xA'x)PO4OH comprises the following steps of: mixing metal compounds and phosphorus compounds; adjusting the pH of the mixed compounds to 3-9; and reacting the pH-controlled compounds. In the formula, A and A' are identical or different transition metals selected from the group consisting of Cu, Ni, Co, Fe, Zn and Mn; and the x satisfies the inequality of 0
Abstract translation: 提供磷酸盐基氢氧化物的三维纳米结构及其制备方法作为光催化剂，以分解挥发性有机化合物和废水等环境污染物。 制备由式（A2-xA'x）PO4OH表示的三维纳米结构的方法包括以下步骤：混合金属化合物和磷化合物; 将混合化合物的pH调节至3-9; 并使pH值控制的化合物反应。 在该式中，A和A'是选自Cu，Ni，Co，Fe，Zn和Mn中的相同或不同的过渡金属; x满足0 <= x <= 2的不等式。
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公开(公告)号：KR1020090078592A
公开(公告)日：2009-07-20
申请号：KR1020080004497
申请日：2008-01-15
Applicant: 재단법인서울대학교산학협력재단
IPC: C01G29/00
Abstract: A method for synthesizing multiferroic bismuth ferrite powder is provided to lower synthetic temperature by 100°C and to synthesize uniform sized of multiferroic bismuth ferrite powder 100nm in diameter. A method for synthesizing multiferroic bismuth ferrite powder comprises: a first step of melting raw material powder in distilled water to prepare a mixed solution(S100); a second step of adding a surfactant to the mixed solution(S110); a third step of preparing an intensifier(S120); a fourth step of mixing the mixed solution, the surfactant and intensifier and stirring them(S130); a fifth step of hydrothermally synthesizing the stirred solution to obtain powder(S140); and a sixth step of washing the powder and freeze drying it(S150).
Abstract translation: 提供合成多铁铋铁氧体粉末的方法，使合成温度降低100℃，合成直径为100nm的均匀尺寸的多铁铋铁氧体粉末。 一种合成多铁铋铁氧体粉末的方法，包括：将原料粉末在蒸馏水中熔化以制备混合溶液的第一步骤（S100）; 向混合溶液中添加表面活性剂的第二工序（S110）。 制备增压器的第三步骤（S120）; 将混合溶液，表面活性剂和增强剂混合并搅拌的第四步骤（S130）; 水热合成搅拌溶液得到粉末的第五步骤（S140）; 以及洗涤粉末并将其冷冻干燥的第六步骤（S150）。
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