Patent application number | Description | Published |
20090215605 | Process of producing a glass-ceramic, the glass-ceramic made therby and its uses - The process of making the glass-ceramic includes ceramicizing a starting glass at a heating or cooling rate during the ceramicization of at least 10 K/min, so that the glass-ceramic contains at least 50% by volume of ferroelectric crystallites with a maximum diameter of from 20 to 100 nm and not more than 10% by volume of nonferroelectric crystallitesis. The glass ceramic produced by the process contains no pores or not more than 0.01% by volume of the pores and a value of e′·V | 08-27-2009 |
20110028298 | GLASS-CERAMIC CONTAINING NANOSCALE BARIUM TITANATE AND PROCESS FOR THE PRODUCTION THEREOF - A process for the production of a glass-ceramic comprises the following steps:
| 02-03-2011 |
20110281099 | METHOD OF MAKING A FLOAT GLASS CONVERTIBLE INTO A GLASS CERAMIC AND FLOAT GLASS MADE THEREBY - A method is described for making a float glass convertible into a glass ceramic, by which a largely crystal fault-free glass can be produced. In this method the glass is cooled from a temperature (T | 11-17-2011 |
20120028015 | LAMINATED, TRANSPARENT SET OF PANES, PROCESS FOR PRODUCING AND BENDING SAME, AND USE THEREOF - Laminated, transparent set of panes made of brittle materials and interleaved laminated films, wherein the brittle materials are various glasses, special glasses, glass-ceramics, transparent ceramics and crystalline materials, process for producing and bending the set of panes and films, and its use thereof, as a bulletproof, unbreakable and shockproof glazing with a low weight per unit area. | 02-02-2012 |
20120108414 | METHOD FOR STRENGTHENING CERAMICIZATION OF FLOATED CRYSTALLIZABLE GLASS - A method of ceramicizing a floated glass is provided where the glass ceramic material obtained thereby has high stability because of the special quality of the atmosphere in the ceramicizing process. The glass ceramics thus obtained have special surface properties that avoid crack formation. Thereby very high bending tensile strengths are achieved. These glass ceramics can be used as fire protection glass, hot plate of a cooker having a coating on the lower side, safety glass, panes of wood-burning fireplace inserts, in colored form as hot plate of a cooker, base plate, thermally resistant panel lining in furnaces and microwave facilities. | 05-03-2012 |
20130120193 | GLASS CERAMICS FOR USE AS A DIELECTRIC FOR GIGAHERTZ APPLICATIONS - A glass-ceramic which is particularly suitable as dielectric for use in the high-frequency range, in particular as dielectric resonator, as electronic frequency filter element or as antenna element is disclosed. The glass-ceramic has at least the following constituents (in mol % on an oxide basis): 5-50% of SiO | 05-16-2013 |
20140256530 | GLASS-CERAMIC AS DIELECTRIC IN THE HIGH-FREQUENCY RANGE - A glass-ceramic is disclosed which can be used in particular as a dielectric and which has at least the following constituents (in mol % on oxide basis): SiO | 09-11-2014 |
Patent application number | Description | Published |
20120288908 | METHOD FOR PRODUCING CARBOXYLIC ACIDS HAVING 1-3 CARBON ATOMS FROM RENEWABLE RESOURCES - The invention relates to a method for producing carboxylic acids having 1-3 carbon atoms, characterized in that 2,3-butanediol and/or acetoin are reacted to form carboxylic acids having 1-3 carbon atoms. | 11-15-2012 |
20120308465 | METHOD FOR PRODUCING TRICHLOROSILANE BY THERMAL HYDRATION OF TETRACHLOROSILANE - Efficient production of trichorosilane from tetrachlorosilane and hydrogen is effected by reaction at high temperatures over short residence times followed by rapidly cooling the product mixture in a heat exchanger, recovered heat being employed to heat the reactant gases, which are then fed to the reactor in a heated state. | 12-06-2012 |
20130197273 | METHOD FOR THE CONTINUOUS PRODUCTION OF 2-BUTANONE IN HOT PRESSURIZED WATER HAVING AN ADDED ELECTROLYTE - The invention relates to a method for continuously producing 2-butanone from 2,3-butanediol in hot pressurized water having an added electrolyte, characterized in that a compound selected from among the group comprising Ce(SO4) | 08-01-2013 |
20140170050 | PROCESS FOR CONVERTING SILICON TETRACHLORIDE TO TRICHLOROSILANE - The invention relates to a process for converting silicon tetrachloride (STC) to trichlorosilane (TCS), by introducing reactant gas containing STC and hydrogen into a reaction zone of a reactor in which the temperature is 1000-1600° C., wherein the reaction zone is heated by a heater located outside the reaction zone and the product gas containing TCS which forms is then cooled, with the proviso that it is cooled to a temperature of 700-900° C. within 0.1-35 ms, wherein the reactant gas is heated by the product gas by means of a heat exchanger working in countercurrent, wherein reactor and heat exchanger form a single, gas-tight component, wherein the component includes one or more ceramic materials selected from the group consisting of silicon carbide, silicon nitride, graphite, SiC-coated graphite and quartz glass. | 06-19-2014 |