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| Number | Title | Issue Date |
| 7422719 | Process for removing oil-based components and forming ceramic bodies An improvement in a process of forming ceramic articles comprising oil-based components or extrusion aids, the improvement including removing the oil-based components after drying and prior to firing by flowing a heated gas through the green ceramic honeycomb articl... | 09/09/2008 |
| 7357976 | Ceramic molded body and metal matrix composite The ceramic molded body of the present invention includes spherical cells of a spherical bubble plurally formed therein: in the ceramic molded body the spherical cells neighboring each other are communicated through communication porosities and form a three-dimensio... | 04/15/2008 |
| 7351371 | Method for the production of near net-shaped metallic and/or ceramic parts A porous near-net-shape metallic parts with an open porosity of at least 10% by volume is made by first forming an injectable mass of a metallic powder of stainless steel, Ti, NiTi, or a titanium alloy, at least one thermoplastic binder, and at least one place holde... | 04/01/2008 |
| 7319114 | Hollow polymer particles, method for preparing hollow polymer particles, porous ceramic filter, and method for preparing porous ceramic filter Hollow polymer particles are provided to have an average particle diameter of 15 μm or more and 500 μm or less and a 10%-compressive strength of 1.5 MPa or more, and the hollow polymer particle includes a hollow portion in the interior. In addition, a porous ceram... | 01/15/2008 |
| 7258825 | Method for manufacturing a ceramic foam A filtering body is obtained for particulate of diesel engines, consisting of a ceramic foam that is produced, starting from a ceramic-material powder-based suspension (slurry), by preparing a perform of polymeric foam material and impregnating the said perform with... | 08/21/2007 |
| 7208438 | Catalyst and method for the alkylation of hydroxyaromatic compounds A method of making a catalyst comprising mixing a metal oxide precursor and a pore former to form a metal oxide precursor mixture and calcining the metal oxide precursor mixture in the presence of a flowing gas having a flow rate to form the catalyst comprising meta... | 04/24/2007 |
| 6977095 | Process for producing rigid reticulated articles A process for producing a rigid reticulated article involves coating a reticulated substrate which has open, interconnected porosity with a first dispersion comprising a ceramic or metal powder to form a first coating thereon; drying the coated reticulated substrate... | 12/20/2005 |
| 6969474 | Implant surface preparation The surface of a device that is surgically implantable in living bone is prepared. The device is made of titanium with a native oxide layer on the surface. The method of preparation comprises the steps of removing the native oxide layer from the surface of the devic... | 11/29/2005 |
| 6949251 | Porous β-tricalcium phosphate granules for regeneration of bone tissue A porous β-tricalcium phosphate material for bone implantation is provided. The multiple pores in the porous TCP body are separate discrete voids and are not interconnected. The pore size diameter is in the range of 20-500 μm, preferably 50-125 μm. The porous β-... | 09/27/2005 |
| 6911158 | Sound absorbing material and its manufacturing method The porous sound-absorbing material manufactured is light and has excellent heat resistance to be applicable to the exhaust nozzle etc. of a jet engine, can effectively absorb noise as that from a jet engine, over a wide range of frequencies, is free from variations... | 06/28/2005 |
| 6897175 | Catalyst and method for the alkylation of hydroxyaromatic compounds A metal oxide catalyst precursor composition comprises a pore former and a catalyst reagent. ... | 05/24/2005 |
| 6887809 | Open-celled silicon carbide foam ceramic and method for production thereof The invention relates to the field of ceramics and open-celled silicon carbide foam ceramics, which can find application, for example, as high temperature- and thermal shock-resistant silicon carbide foam. The aim of the invention is to disclose an open-celled silic... | 05/03/2005 |
| 6839639 | Giant composites Shaped composite structures which are strong, stiff and hard and, at the same time, having high toughness, comprise a matrix, for example a cement or ceramics based matrix and embedded therein a plurality of plate shaped or at lest 60 mm thick elongated reinforcemen... | 01/04/2005 |
| 6767981 | Thermoset and ceramic containing silicon and boron A thermoset polymer has a repeating unit comprising at least one crosslinking group having at least one unsaturated carbon-carbon bond and at least two crosslinking bonds, at least one borate group, at least one silyl group and/or at least one siloxyl group. The the... | 07/27/2004 |
| 6569797 | Low density ceramics produced from paper recycling residuals An improved method for preparing low density ceramics is described wherein the process incorporates paper residuals which are a by-product of the paper recycling process. The method for making a low density-ceramic comprises the steps of: a) providing a p... | 05/27/2003 |
| 6479418 | Porous ceramic body The invention relates to a process for preparing a porous ceramic body, which process is based on a negative replica method. The invention further relates to a ceramic body obtainable by said method and to its use as a scaffold for tissue engineering.... | 11/12/2002 |
| 6448331 | Alkoxysilane/organic polymer composition for thin insulating film production and use thereof Disclosed is an alkoxysilane/organic polymer composition for use in producing an insulating thin film, comprising (A) a specific alkoxysilane; (B) a specific organic polymer; and (C) a solvent for alkoxysilane (A) and organic polymer (B), wherein solvent ... | 09/10/2002 |
| 6420292 | Porous ceramics provided with amorphous pore surfaces This invention relates to a method for treating various kinds of drain water and waste liquid which treatment now becomes a problem, for example, drain water and waste liquid containing hardly removable phosphorus and nitrogen, waste liquid containing org... | 07/16/2002 |
| 6251819 | Silicon carbide foam with high specific surface area and improved mechanical properties Silicon carbide foam useful as a catalyst support has a BET specific surface area of at least 5 m2 /g, and a compression strength exceeding 0.2 MPa. The foam is prepared by impreganting an organic foam with a suspension of silicon in a resin co... | 06/26/2001 |
| 6203574 | Prosthetic bone filler and process for the production of the same A prosthetic bone filler including ceramic granules for use in a living body, the ceramic granules being bonded to each other with a polymeric substance, and having ventilation pores produced as a result of the presence of gaps between the adjacent granul... | 03/20/2001 |
| 6171990 | Large-format fireclay refractory brick, in particular bottom block for a tin bath A large-format fireclay refractory brick for use as bottom block in a tin bath and a method for its manufacture, said brick formed of material of the Al2 O3 --SiO2 system filling material and opening material. The preferre... | 01/09/2001 |
| 6093234 | Process for preparing submicron/nanosize ceramic powders from precursors incorporated within a polymeric foam A process for preparing uniform, agglomerate free, submicron/nanosize ceramic powders from a polymeric foam comprising metal cations homogeneously incorporated within a foam cell structure of the polymeric foam. The polymeric foam is heated to remove any ... | 07/25/2000 |
| 6042763 | Method of preparing porous ceramics provided with amorphous pore surfaces This invention relates to a method for treating various kinds of drain water and waste liquid which treatment now becomes a problem, for example, drain water and waste liquid containing hardly removable phosphorus and nitrogen, waste liquid containing org... | 03/28/2000 |
| 5989467 | Ceramic foam precursor resin composition The present invention is embodied in a ceramic foam made by mixing a liquid pre-ceramic resin and a liquid phenolic resin, allowing the resultant mixture to chemically foam, curing the mixture for a time and at a temperature sufficiently to convert the mi... | 11/23/1999 |
| 5958831 | SiC foam catalyst carrier with a reinforced skin and corresponding catalytic systems SiC foam-based catalyst carrier in the form of a moulded part having walls reinforced with a SiC skin having mechanical characteristics higher than those of the foam, this skin allowing the carrier to be handled and used without damage.... | 09/28/1999 |
| 5911903 | Mixture and process for producing heat-insulating moldings The invention relates to a mixture for producing a heat-insulating molding, comprising from 20% to 99% by weight of microporous, oxidic inorganic material, from 0% to 50% by weight of opacifier, from 0% to 50% by weight of fiber material and from 0% to 15... | 06/15/1999 |
| 5837631 | Molded silicon carbide bodies The invention relates to a microporous carbon-bound molded SiC body with granular SiC, secondarily formed SiC and a secondarily formed silicon compound, for use as inwall brick for lining a blast furnace as well as for use as susceptor for heating ceramic... | 11/17/1998 |
| 5707065 | Sintered SIC mechanical seals having particular pore volume, shape, and diameter Mechanically strong and reduced friction porous silicon carbide sintered shaped articles, well adapted for the production, e.g., of leaktight mechanical packings and rotating bearing seals, have a total pore volume ranging from 4% to 18% thereof, the pore... | 01/13/1998 |
| 5643512 | Methods for producing ceramic foams using pre-ceramic resins combined with liquid phenolic resin The present invention is embodied in a method of producing a ceramic foam. The steps for producing the ceramic foam include first mixing a liquid pre-ceramic resin with a liquid phenolic resin, second allowing the resultant mixture to chemically foam, thi... | 07/01/1997 |
| 5618762 | Light-weight antibacterial ceramic and antibacterial ceramic filter An antibacterial ceramic contains an antibacterial material produced by loading an antibacterial metal such as silver on a calcium ceramic carrier and an inorganic material such as cordierite, and has a bulk density of 0.6-1.2 g/cm3. An antibac... | 04/08/1997 |
| 5610110 | Sintered SiC shaped articles and mechanical packings comprised thereof Mechanically strong and reduced friction porous silicon carbide sintered shaped articles, well adapted for the production, e.g., of leaktight mechanical packings and rotating bearing seals, have a total pore volume ranging from 4% to 18% thereof, the pore... | 03/11/1997 |
| 5384290 | Porous ceramic beads Ceramic beads having a bimodal pore distribution are prepared by a process involving a) formation of a ceramic particle slurry, b) adding a foamable prepolymer to the slurry to form a mixture, c) dispersing the mixture as beads in a second liquid, d) poly... | 01/24/1995 |
| 5384291 | Carbothermal synthesis precursors Ceramic precursor materials bound together by a product of a condensation reaction between a first reactant that has at least one reactive hydroxyl moiety, such as a carbohydrate, and a second reactant that has at least one reactive nitrogen-containing mo... | 01/24/1995 |
| 5369063 | Molten metal filter medium and method for making same A porous ceramic body of high structural strength and integrity is disclosed, along with the method of fabricating such, whereby a curable resin and a sinterable ceramic are mixed and then admixed to removable pore formers, then consolidated into a green ... | 11/29/1994 |
| 5252525 | Compositions for forming high temperature ceramic particulate filters A high temperature ceramic filter is produced from a composition containing refractory cement, aggregate, pore forming additives, and sintering agents. The pore forming additives are synthetic or organic powders or fibers which sublimate, melt, or otherwi... | 10/12/1993 |
| 5242494 | Foamable compositions This invention relates to a foamable silicate composition comprising (a) one or more alkali metal silicates, (b) a blowing agent, (c) a hardener which can be an acetate or a formate ester of a di-polyhydric alcohol or a polyoxyalkylene glycol and (d) a su... | 09/07/1993 |
| 5221294 | Process of producing self-bonded ceramic abrasive wheels A grinding tool is described which comprises self-bonded particles of a ceramic abrasive and has a voids volume of from 5 to 65%.... | 06/22/1993 |
| 5177035 | Molten metal filter and method for making same A porous ceramic body of high structural strength and integrity is disclosed, along with the method of fabricating such, whereby a curable resin and a sinterable ceramic are mixed and then admixed to removable pore formers, then consolidated into a green ... | 01/05/1993 |
| 5171720 | Porous ceramic sinter and process for producing same A porous ceramic sinter and a process for producing the same are disclosed, which sinter has macropores with a pore size of from 20 to 2,000 μm and three-dimensionally communicating pores that are made of interstices between secondary particles.... | 12/15/1992 |
| 5142187 | Piezoelectric composite transducer for use in ultrasonic probe There is herein disclosed a piezoelectric composite transducer comprising a plurality of piezoelectric ceramic poles. The plurality of piezoelectric ceramic poles are arranged two-dimensionally so as to form spaces therebetween. Organic films are disposed... | 08/25/1992 |
