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公开(公告)号：US4812424A
公开(公告)日：1989-03-14
申请号：US127808
申请日：1987-12-02
IPC分类号： B32B18/00 , C04B35/18 , C04B35/19 , C04B35/195 , C04B38/02 , F27D5/00 , C04B38/10 , C04B41/53 , C04B41/91
CPC分类号： C04B35/19 , C04B35/18 , C04B35/195 , C04B38/02 , F27D5/00 , C04B2111/00612 , Y10T428/249968 , Y10T428/249981 , Y10T428/249989
摘要： Low mass kiln furniture for supporting ceramic ware during the firing thereof is provided having excellent thermal shock resistance and high temperature stability, the kiln furniture being comprised of a porous refractory ceramic body of low density prepared by the firing of a porous aluminosilicate-bound aggregate of refractory ceramic compounds, and wherein the ceramic body has on one or more of its surfaces a smooth skin in the form of an integral thin porous ceramic membrane layer.
摘要翻译： 提供了用于在其烧制中用于支撑陶瓷制品的低质量窑具，其具有优异的耐热冲击性和高温稳定性，所述窑具由多孔耐硅陶瓷结合的聚集体 难熔陶瓷化合物，并且其中陶瓷体在其一个或多个表面上具有整体薄多孔陶瓷膜层形式的光滑表皮。
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2.发明授权Methods for the manufacture of porous ceramic shapes containing membraneous surfaces 失效制造含有膜表面的多孔陶瓷形状的方法
公开(公告)号：US4846906A
公开(公告)日：1989-07-11
申请号：US127639
申请日：1987-12-02
CPC分类号： C04B35/19 , C04B35/803 , C04B38/02 , F27D1/0006 , C04B2111/00405 , C04B2111/00612 , F02B3/06
摘要： Described herein are porous ceramic articles comprised of a porous ceramic body portion (of either predominantly open- or predominantly closed-cell porosity) having, integral with pre-selected surfaces thereof, a thin porous ceramic membrane layer which itself may be of open- or closed-celled porosity. Also described are methods of bringing about such membrane layers and such articles. The invention is particularly useful for providing porous ceramic filtering elements, such as diesel particulate traps, wherein the body portion has a predominant open-celled porosity and wherein the porous ceramic membrane surfaces also are open-celled porosity but whose pores are smaller than those of the body portion, as well as for providing articles such as kiln furniture having smooth porous ceramic membrane layers or skins on pre-selected surfaces.
摘要翻译： 本文描述的是多孔陶瓷制品，其由多孔陶瓷体部分（主要是开放的或主要是闭孔的孔隙）构成，其具有与其预先选定的表面成一体的薄多孔陶瓷膜层，薄的多孔陶瓷膜层本身可以是开放的或 闭孔孔隙度。 还描述了引起这样的膜层和这种制品的方法。 本发明对于提供诸如柴油颗粒捕集器的多孔陶瓷过滤元件特别有用，其中主体部分具有主要的开孔孔隙率，并且其中多孔陶瓷膜表面也是开孔孔隙率，但是孔的孔小于 主体部分，以及用于在预选表面上提供具有光滑多孔陶瓷膜层或表皮的窑具的制品。
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3.发明授权Porous ceramic article for use as a filter for removing particulates from diesel exhaust gases 失效用作从柴油机废气中除去微粒的过滤器的多孔陶瓷制品
公开(公告)号：US4976760A
公开(公告)日：1990-12-11
申请号：US404833
申请日：1989-09-08
CPC分类号： F01N3/0222 , B01D39/2075 , C04B35/16 , C04B38/0058 , C04B2111/00793 , F01N2330/06 , F02B3/06 , Y02T10/20 , Y10S55/30
摘要： A filtering element for use in trapping particulates from a diesel exhaust gas, made up of a porous refractory ceramic body of predominant open-cell porosity prepared by firing an aluminosilicate hydrogel-bonded porous ceramic composition, and preferably further containing on the filter inlet and/or outlet surface thereof an integral thin porous ceramic membrane layer having pores whose average diameter is less than that of the pores in the body and at the other surfaces.
摘要翻译： 一种用于捕集来自柴油机废气的颗粒的过滤元件，其由通过煅烧硅铝酸盐水凝胶结合的多孔陶瓷组合物制备的主要开孔孔隙的多孔耐火陶瓷体组成，并且优选进一步包含在过滤器入口和/ 或其出口表面具有整体薄多孔陶瓷膜层，其具有平均直径小于本体中的孔和其它表面的孔的孔。
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4.发明授权Process for producing porous ceramic filter for filtering of particulates from diesel exhaust gases 失效用于生产用于过滤来自柴油机废气的颗粒物的多孔陶瓷过滤器的方法
公开(公告)号：US4871495A
公开(公告)日：1989-10-03
申请号：US127784
申请日：1987-12-02
CPC分类号： C04B35/16 , B01D39/2075 , C04B28/26 , F01N3/0222 , F01N2330/06 , F02B3/06 , Y02T10/20 , Y02W30/94
摘要： A process for producing a porous ceramic filter for use in the filtering of particulates from diesel exhaust gases, and the filter so produced, in which a foamable ceramic composition based upon an aluminosilicate hydrogel binder is expanded into a self-supporting, open-celled porous body of desired shape by virtue of in situ reaction between components of the composition, and thereafter treated to substantially reduce its alkali metal content and fired to produce ceramic bonds, the process further preferably providing on the intended outlet surface of the filter a thin porous ceramic membrane layer whose pores have an average diameter less than that of the pores within and at other surfaces of the ceramic filter.
摘要翻译： 一种用于过滤来自柴油机废气的颗粒的多孔陶瓷过滤器的方法，以及如此制备的过滤器，其中基于硅铝酸盐水凝胶粘合剂的可发泡陶瓷组合物膨胀成自支撑的开孔多孔 借助于组合物组分之间的原位反应，然后将其处理以显着降低其碱金属含量并焙烧以产生陶瓷键，所述方法进一步优选在过滤器的预期出口表面上提供薄多孔陶瓷 其膜的平均直径小于陶瓷过滤器的其他表面内的孔的平均直径。
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公开(公告)号：US06245236B1
公开(公告)日：2001-06-12
申请号：US09320438
申请日：1999-05-26
申请人： Robert C. Schenck
发明人： Robert C. Schenck
IPC分类号： C02F308
摘要： A biological filter for filtering a stream of falling liquid, the filter comprising a body movable between a first and a second position, and a first filter portion coupled to the body such that the first filter portion is positioned under the stream when the body is in the first position. The filter further comprises a second filter portion coupled to the body such that the second filter portion is positioned under the stream when the body is in the second position, wherein the body reciprocates between the first and the second positions when located below the stream of liquid.
摘要翻译： 一种用于过滤下落液体流的生物过滤器，所述过滤器包括可在第一和第二位置之间移动的主体和联接到所述主体的第一过滤器部分，使得当所述主体处于所述主体时，所述第一过滤器部分位于所述流下方 第一名。 过滤器还包括联接到主体的第二过滤器部分，使得当主体处于第二位置时，第二过滤器部分位于流下方，其中当位于液体流下方时，主体在第一和第二位置之间往复运动 。
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6.发明授权
公开(公告)号：US5876446A
公开(公告)日：1999-03-02
申请号：US772276
申请日：1996-12-20
CPC分类号： A61F2/30767 , A61L27/04 , A61L27/18 , A61L27/56 , A61F2/3094 , A61F2/36 , A61F2/3662 , A61F2002/30064 , A61F2002/30677 , A61F2002/3611 , A61F2002/3631 , A61F2310/0097 , A61F2310/00976
摘要： Medical devices, most particularly prosthesis, are defined having at least one porous tissue-mating surface. The tissue-mating surface of the device includes therein a biodegradable carrier, such as a biodegradable polymer. The pores or intersticial spaces of the tissue-mating surface of the device are impregnated with the biodegradable polymer. The prosthesis of the present invention provides for enhanced rigid fixation, as pores at the surface of said device provide for bony ingrowth as the biodegradable carrier, i.e., polymer, degrades. Methods for preparing said prosthesis are described. Methods for delivering a pharmacologically active substance by including a pharmacologically active substance in the biodegradable carrier (e.g., polymer) are also disclosed.
摘要翻译： 被定义为具有至少一个多孔组织配合表面的医疗装置，特别是假体。 该装置的组织配合表面包括可生物降解的载体，例如可生物降解的聚合物。 装置的组织配合表面的孔或间隙被可生物降解的聚合物浸渍。 本发明的假体提供了增强的刚性固定，因为当生物降解的载体即聚合物降解时，在所述装置的表面处的孔提供骨向内生长。 描述了制备所述假体的方法。 还公开了通过将药理活性物质包括在可生物降解的载体（例如聚合物）中递送药理活性物质的方法。
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公开(公告)号：US5947893A
公开(公告)日：1999-09-07
申请号：US241841
申请日：1994-05-12
CPC分类号： A61F2/30767 , A61L27/04 , A61L27/18 , A61L27/56 , A61F2/3094 , A61F2/36 , A61F2/3662 , A61F2002/30064 , A61F2002/30677 , A61F2002/3611 , A61F2002/3631 , A61F2310/0097 , A61F2310/00976
摘要： Medical devices, most particularly prosthesis, are defined having at least one porous tissue-mating surface. The tissue-mating surface of the device includes therein a pharmacologically active substance within a biodegradable carrier, such as a polymer or a biodegradable ceramic, such as calcium phosphate. A biodegradable composition of the drug and carrier is impregnated within the pores of the tissue-mating surfaces of the device. The device thereby provides for the long-term release of pharmacologically active substances upon implant. The prosthesis of the present invention provides for enhanced rigid fixation, as pores at the surface of said device provide for bony ingrowth as biodegradable material impregnated therein degrades. Pharmacologically active substances within the biodegradable composition also enhances the rate of bony in-growth where said substances are particularly osteoinductive. The structure of the present device effectively delivers pharmacologically active substances to tissue- (e.g., to bone) mating surfaces as they are positioned directly against the tissue/bone surfaces upon implant. Methods for preparing said prosthesis, as well as methods for facilitating the delivery of a pharmacologically active substance at a tissue (bone) prosthesis are also disclosed.
摘要翻译： 被定义为具有至少一个多孔组织配合表面的医疗装置，特别是假体。 该装置的组织配合表面在其中包含可生物降解的载体例如聚合物或可生物降解的陶瓷如磷酸钙的药理活性物质。 药物和载体的可生物降解的组合物浸渍在装置的组织配合表面的孔内。 因此，该装置提供植入时药物活性物质的长期释放。 本发明的假体提供了增强的刚性固定，因为在其中浸渍的可生物降解的材料降解时，所述装置的表面处的孔提供骨向内生长。 可生物降解组合物中的药理活性物质还提高了所述物质特别是骨诱导的骨生长速率。 本装置的结构有效地将药理活性物质递送到组织（例如，骨）配合表面，因为它们在植入时直接抵靠组织/骨表面定位。 还公开了用于制备所述假体的方法以及促进药物活性物质在组织（骨）假体递送的方法。
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公开(公告)号：US5702446A
公开(公告)日：1997-12-30
申请号：US734626
申请日：1996-10-18
CPC分类号： A61F2/30907 , A61F2/367 , A61F2/4601 , A61F2/3662 , A61F2002/2817 , A61F2002/30062 , A61F2002/30581 , A61F2002/30586 , A61F2002/30785 , A61F2002/30787 , A61F2002/30909 , A61F2002/3647 , A61F2002/368 , A61F2002/3694 , A61F2210/0004 , A61F2310/00023 , A61F2310/00029 , A61F2310/00179 , A61F2310/00407 , A61F2310/00413
摘要： A bone prosthesis having a porous or mesh type mating surface for attachment to bone and at least one continuous hollow internal chamber is disclosed. The prosthesis also includes at least one portal and at least one channel extending from each hollow chamber that allows communication between the chamber of the prosthesis and the mating surface of the device. Biomaterial for enhancing bone growth is injected in fluid form through a portal of the device into a hollow chamber, simultaneous with or after press fitting the prosthesis into the bone. Biomaterial thereby reaches bone mating surfaces through one or more channels. Bony growth at a mating surface of the prosthesis is enhanced, and union of the prosthesis with bone is thereby promoted.
摘要翻译： 公开了一种具有用于附接到骨头的多孔或网状配合表面和至少一个连续的中空内部腔室的骨假体。 假体还包括至少一个入口和从每个中空腔延伸的至少一个通道，其允许假体的腔室与装置的配合表面之间的连通。 用于增强骨生长的生物材料通过装置的入口以流体形式注入中空室，与假体压配合到骨中同时或之后。 生物材料从而通过一个或多个通道到达骨匹配表面。 增加假体的配合表面的骨生长，从而促进假体与骨的联合。
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