Class / Patent application number | Description | Number of patent applications / Date published |
501099000 | Elemental carbon containing | 15 |
20130045856 | REFRACTORY SLAG BAND - The present invention resides in a refractory composition for use as a cold start slag band. The composition comprises an admixture of partially stabilised zirconia and/or fully stabilised zirconia and monoclinic zirconia, characterised in that the proportion of monoclinic relative to the total zirconia content is at least 40% by weight. The invention also resides in a slag band formed from the composition, a submerged entry nozzle incorporating the slag band and a method of forming such a submerged entry nozzle. | 02-21-2013 |
20140378294 | Graphene-Reinforced Ceramic Composites and Uses Therefor - The disclosure provides novel graphene-reinforced ceramic composites and methods for making such composite materials. | 12-25-2014 |
20150307404 | DIAMOND POLYCRYSTALLINE BODY AND METHOD FOR MANUFACTURING THE SAME, AND TOOL - Provided are a diamond polycrystalline body having a longer life than conventional diamond polycrystalline bodies when it is slid, a method for manufacturing the same, and a tool. In a diamond polycrystalline body, at least one element whose oxide has a melting point of less than or equal to 1000° C. is added thereto, and crystal grains have an average grain size of less than or equal to 500 nm. Thereby, wear of diamond can be suppressed, and the diamond polycrystalline body can have a longer life when it is slid. | 10-29-2015 |
501100000 | And aluminum compound (e.g., clay, aluminum oxide, etc.) | 8 |
20100160142 | REFRACTORY BRICK FOR STEEL LADLES - A magnesia-carbon brick comprised of about 50 to about 95% by weight magnesia and about 1 to about 20% by weight carbon, with or without metallic additions, such that the chemical analysis of the mixture of aggregates used in the brick will comprise, by chemical analysis, about 2 to about 15% SiO | 06-24-2010 |
20100240518 | PROCESS FOR PRODUCING REFRACTORY PARTICLES - To provide a process for producing high-purity highly oxidized refractory particles easily with good productivity by treating a spent refractory containing ZrO | 09-23-2010 |
20100261599 | Taphole Fill Material and Method for Manufacturing the Same - A high-temperature, heat-resistant fill material is disclosed. The high-temperature, heat-resistant fill material includes an alumina refractory waste material having one or more of a used alumina-magnesium-carbon material, a used high-alumina material and a used fused-grain alumina material is disclosed. A method for method for manufacturing a material is also disclosed. | 10-14-2010 |
20110152059 | CHROMIA-CONTAINING REFRACTORY - A high-chromia refractory, comprised of:
| 06-23-2011 |
20120046155 | Taphole Fill Material and Method for Manufacturing the Same - A high-temperature, heat-resistant fill material is disclosed. The high-temperature, heat-resistant fill material includes an alumina refractory waste material having one or more of a used alumina-magnesium-carbon material, a used high-alumina material and a used fused-grain alumina material is disclosed. A method for method for manufacturing a material is also disclosed. | 02-23-2012 |
20150376064 | Microstructured high-temperature hybrid material, its composite material and method of making - This invention provides a hybrid material that exhibits strength, stiffness and ability to resist high temperatures. This hybrid material essentially consists of component A and component B. Component A is selected from the group consisting of inorganic compounds, oxides, carbides, nitrides, borides, and combinations thereof. Component B is selected from the group comprising elemental carbon, inorganic compounds, oxides, carbides, nitrides, borides, and combinations thereof. Component B comprises a plurality of units, each of the units substantially exhibiting a shape, such that this shape substantially exhibits a long dimension and a short dimension, with the short dimension being in a direction that is essentially perpendicular to the direction of the long dimension and the short dimension being in the range from 0.1 nm to 0.5 μm. Each of the units of component B is substantially in contact with and substantially bonded to at least one of the units of component A. | 12-31-2015 |
20160084576 | METHODS FOR PRODUCING SILICON CARBIDE WHISKER-REINFORCED REFRACTORY COMPOSITION - The present invention relates to methods for forming monolithic refractory compositions, comprising the steps of providing a particulate refractory composition comprising 2 to 90 mass-% alumina, aluminosilicate or mixtures thereof, 2 to 70 mass-% silicon carbide, 2 to 10 mass-% carbon; 1 to 10 mass-% Si powder, 1 to 3 mass-% microsilica, up to 5 mass-% ferrosilicon, and optionally up to 5 mass-% cement, adding an appropriate amount of water to the particulate refractory composition to form a uniform mixture, installing said uniform mixture and allowing it to set in such location and arrangement where the monolithic refractory composition is required, and heat-treating said set mixture at a temperature no higher than 1200° C. under normal atmospheric conditions to form a monolithic composition, as well as optionally heat-treating the obtained monolithic composition to form silicon carbide whiskers within the monolithic refractory composition. Also part of the present invention are compositions formed according to the method of the invention. | 03-24-2016 |
20160130185 | BATCH FOR PRODUCING A CARBON-BONDED OR RESIN-BONDED SHAPED FIRE-RESISTANT PRODUCT, A METHOD FOR PRODUCING SUCH A PRODUCT, A PRODUCT OF SAID TYPE, AND A USE OF MAGNESIA SPINEL ZIRCONIUM OXIDE - The invention relates to a batch for producing a carbon-bonded or resin-bonded shaped fire-resistant product, a method for producing such a product, a product of said type, and a use of magnesia spinel zirconium oxide. | 05-12-2016 |
501101000 | And alkaline earth metal or magnesium compound (e.g., dolomite, magnesium oxide, etc.) | 4 |
20100093515 | REFRACTORY CARBON-BONDED MAGNESIA BRICK AND PROCESS FOR PRODUCING IT - The invention relates to a refractory, ceramically fired, carbon-bonded magnesia brick whose matrix is more than 70% by weight, in particular from 80 to 98% by weight, of MgO grains and also a carbon framework binder matrix resulting from carbonization, and pores, wherein the MgO grains are fixed by means of carbon bonding of the carbon framework and at least 30%, in particular from 50 to 100%, of the MgO grains have at least one sintering bridge resulting from the ceramic firing. | 04-15-2010 |
20150353426 | MAGNESIA CARBON BRICK - A magnesia carbon brick with increased denseness (lowering the porosity) and high durability relative to conventional magnesia carbon bricks. The magnesia carbon brick includes a magnesia raw material and a graphite, with the magnesia carbon brick containing the graphite with amount of in the range of 3% or more by mass and 25% or less by mass and the magnesia raw material with amount of in the range of 75% or more by mass and 97% or less by mass, the both amounts being relative to total amount of the magnesia raw material and the graphite; and an apparent porosity thereof after reductive firing for 3 hours at 1400° C. is 7.8% or less. | 12-10-2015 |
20150368159 | MAGNESIA CARBON BRICK - In the present invention, the attempt was made to increase the denseness (to lower the porosity) of a magnesia carbon brick furthermore thereby providing the magnesia carbon brick having a high durability never found in the past. The magnesia carbon brick of the present invention comprises a magnesia raw material and a graphite, wherein the magnesia carbon brick contains the graphite with the amount thereof in the range of 8% or more by mass and 25% or less by mass and the magnesia raw material with the amount thereof in the range of 75% or more by mass and 92% or less by mass, the both amounts being relative to the total amount of the magnesia raw material and the graphite; as a grain size distribution of the magnesia raw material, the magnesia raw material having particle diameter of in the range of 0.075 mm or more and 1 mm or less is blended with the amount thereof being 35% or more by mass relative to the total amount of the magnesia raw material and the graphite, and a mass ratio of the magnesia raw material having the particle diameter of in the range of 0.075 mm or more and 1 mm or less to the magnesia raw material having the particle diameter of less than 0.075 mm is 4.2 or more; and an apparent porosity thereof after firing in reducing atmosphere for 3 hours at 1400° C. is 7.8% or less. | 12-24-2015 |
20160122248 | FIREPROOF PRODUCT CONTAINING GRAPHITE, METHOD FOR PRODUCING SAID PRODUCT, AND USE OF SAID PRODUCT - A molded, fireproof product, which contains graphite, in particular natural graphite, and is based on fireproof granular materials. The granular-material grains of the product are consolidated to form a molded body by means of a binder known per se and/or ceramic bonding. The product has a homogeneous mixture of at least two graphite types, which each have a different coefficient of thermal expansion. One graphite type is predominant by amount and the other graphite type acts as an auxiliary graphite type. The invention further relates to a method for producing a product and to the use of the product. | 05-05-2016 |