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Compositions: ceramic

20130123091 - Glass article with antimicrobial properties: The invention relates to a glass item, at least one of the surfaces thereof having antimicrobial properties that are resistant to a temperature treatment, especially a temperature treatment in preparation of the subsequent tempering thereof. The glass item especially comprises an antimicrobial agent beneath the surface of the glass, and... Agent: Agc Glass Europe

20130123092 - Tio2-containing quartz glass substrate and method for producing same: The present invention relates to a TiO2-containing quartz glass substrate, having a TiO2 concentration of from 3 to 8% by mass, an OH concentration of 50 ppm by mass or less, and an internal transmittance T365 per 1 mm thickness at a wavelength of 365 nm of 95% or more.... Agent: Asahi Glass Company, Limited

20130116105 - Direct smelting process: A molten bath-based direct smelting process comprises controlling the process conditions in a direct smelting yessel so that molten slag in a molten bath of metal and slag in the vessel has a viscosity in a range of 0.5-5 poise when the slag temperature is in a range of 1400-1550°... Agent:

20130116106 - Method for producing colored glass: The invention relates to a method for producing colored glass 1, in which at least one powdery and/or sandy raw glass material is melted. The invention further relates to glass 1 produced according to said method. According to the invention, finished nanoparticles 2 made of at least one metal are... Agent: Nanopartica Gmbh

20130116107 - Foam glass having a low coefficient of thermal expansion and related methods: Foam glass may include natural glass, wherein the foam glass includes greater than 5% alumina by weight of the foam glass and has a coefficient of thermal expansion ranging between 4×10−6 ppm/° C. and 6×10−6 ppm/° C. A composition for making foam glass may include natural glass including at least... Agent: Imerys Filtration Minerals, Inc.

20130116108 - Silica glass having improved properties: The invention relates to a silica glass compound having improved physical and chemical properties. In one embodiment, the present invention relates to a silica glass having a desirable brittleness in combination with a desirable density while still yielding a glass composition having a desired hardness and desired strength relative to... Agent: Momentive Performance Materials, Inc.

20130116109 - Process for producing a ceramic matrix composite part: The invention relates to a process for producing a ceramic matrix composite (CMC) part by infiltration of a suspension (S) of a ceramic powder into a fibrous reinforcement (14). A suspension (S) of ceramic powder containing particles of chosen particle size, dispersed in at least one solvent, is prepared. The... Agent:

20130116110 - Control of clay crystallite size for shrinkage management: A method of making ceramic articles includes compounding ceramic precursor batch components that include hydrous clay. The hydrous clay includes particle components having a platy geometry. The crystallite size of the platy hydrous clay particle components is greater than a predetermined amount. Controlling such crystallite size can result in reduced... Agent:

20130102453 - Refractory filler powder, sealing material, and method for producing refractory filler powder: Provided is a refractory filler powder, comprising particles, each of which has precipitates of willemite and gahnite.... Agent:

20130102454 - Glass compositions with improved chemical and mechanical durability: The embodiments described herein relate to chemically and mechanically durable glass compositions and glass articles formed from the same. In another embodiment, a glass composition may include from about 70 mol. % to about 80 mol. % SiO2; from about 3 mol. % to about 13 mol. % alkaline earth... Agent: