Patent application number | Description | Published |
20080199392 | Mixed Oxide Powder Comprising Alkali Metal Oxide, and Silicone Rubber Comprising This Powder - Alkali metal oxide-metal oxide mixed oxide powder in the form of aggregates of pore-free primary particles, comprising from 0.005 to 5% by weight of at least one alkali metal oxide, which has a BET surface area of from 100 to 350 m/g, has a specific DBP number, expressed as DBP number per square metre of specific surface area, greater than or equal to that of a powder which has only the metal oxide component, has the alkali metal oxide distributed in the core and on the surface of the primary particles. Silicone rubber comprising the alkali metal oxide-metal oxide mixed oxide powder. | 08-21-2008 |
20080213325 | POWDER MIXTURE CONSISTING OF TITANIUM DIOXIDE, ZINC OXIDE AND ZINC/TITANIUM MIXED OXIDE - A powder mixture consisting of zinc/titanium mixed oxide particles, titanium dioxide particles and zinc oxide particles, wherein the zinc/titanium mixed oxide particles have a composition according to the formula (ZnO) | 09-04-2008 |
20080267852 | Process for Preparing Pulverulent Solids - Process for preparing pulverulent solids, in which one or more oxidizable and/or hydrolysable metal compounds are reacted in a high-temperature zone in the presence of oxygen and/or steam, the reaction mixture is cooled after the reaction, and the pulverulent solid is removed from gaseous substances, wherein at least one metal compound is introduced into the high-temperature zone in solid form and the evaporation temperature of the metal compound is below the temperature of the high-temperature zone. | 10-30-2008 |
20080269054 | Preparation Containing Uv Radiation Absorbing Metal Oxide Powder and a Superspreading Agent - Preparation containing at least one UV radiation absorbing metal oxide powder and at least one superspreading agent. Use of the preparation for the reduction of sunburn damage in useful plants. | 10-30-2008 |
20080292539 | TITANIUM DIOXIDE HAVING INCREASED SINTERING ACTIVITY - A crystalline titanium dioxide powder, containing aggregated primary particles, wherein a BET surface area of the aggregated primary particles is from 30 to 65 m | 11-27-2008 |
20080311291 | Process for the Production of Doped Metal Oxide Particles - Process for the production of doped metal oxide particles, wherein the doping component is present on the surface in the form of domains, wherein in a first reaction zone, an oxidizable and/or - hydrolysable metal compound as dopant together with an atomization gas is atomised into a flow of metal oxide particles in a carrier gas, wherein the mass flow of the metal oxide particles und - the mass flow of the dopant are selected such that the doped metal oxide particles contain 10 ppm to 10 wt. % of the doping component, where the quantity of dopant to be introduced is calculated as the corresponding oxide, and wherein the temperature in the first reaction zone is - selected such that it is below the boiling temperature of the dopant under the prevailing reaction conditions, and then, in a second reaction zone, the flow from the first - reaction zone and optionally at least as much oxygen and/or steam are - introduced that the quantity of oxygen and/or steam at least suffices completely to convert the dopant, wherein the temperature is from 300 to 2000° C., - preferably 500 to 1000° C., and the reaction mixture is then cooled or allowed to cool and the doped metal oxide particles are separated from the gaseous substances. | 12-18-2008 |
20080318046 | TITANIUM DIOXIDE HAVING A VARIABLE SINTERING STABILITY - Provided is a crystalline TiO | 12-25-2008 |
20090035210 | CARBON BLACK - Carbon black with an OAN, measured on the beaded carbon black, of less than 120 ml/100 g. A process for the preparation of the carbon black is described, wherein a salt solution is converted into an aerosol and this is then introduced into the carbon black formation zone. The carbon black can be used in inks, paints, lacquers, printing inks and ink-jet inks, and for coloring plastics. | 02-05-2009 |
20090054238 | PREPARATION CONTAINING A PHOTOCATALYTICALLY ACTIVE METAL OXIDE POWDER AND A WETTING AGENT - Preparation containing at least one photocatalytically active metal oxide powder with a specific surface area of at least 20 m | 02-26-2009 |
20090131694 | SILICON-TITANIUM MIXED OXIDE POWDER, DISPERSION THEREOF AND TITANIUM-CONTAINING ZEOLITE PREPARED THEREFROM - Silicon-titanium mixed oxide powder, dispersion thereof and titanium-containing zeolite prepared therefrom Pyrogenic silicon-titanium mixed oxide powder, having a BET surface area of 200 to 400 m | 05-21-2009 |
20090137827 | SILICON-TITANIUM MIXED OXIDE-CONTAINING DISPERSION FOR THE PRODUCTION OF TITANIUM-CONTAINING ZEOLITES - Dispersion containing pyrogenic silicon-titanium mixed oxide powders with a silicon dioxide content of 75 to 99.99 wt.-% and a titanium dioxide content of 0.01 to 25 wt. %, water and a basic, quaternary ammonium compound, wherein the mean aggregate diameter of the particles of the silicon-titanium mixed oxide powder in the dispersion is 200 nm at most. Process for the production of a titanium-containing zeolite with the use of the dispersion. | 05-28-2009 |
20090186053 | Surface-Modified Non-Metal/Metal Oxides Coated With Silicon Dioxide - Surface-modified metal oxide particles coated with silicon dioxide and having a low structure are produced by adding a base dissolved in water, with stirring, to a dispersion consisting of a metal oxide, at least one compound of the type X | 07-23-2009 |
20090272296 | Process for the Preparation of Products of High Early Strength Comprising Hydraulic Binders - A process for the preparation of products of high early strength comprising hydraulic binders, in which a hydraulic binder, water and 0.1 to 5% by weight, based on the hydraulic binder, of a finely divided titanium dioxide are mixed with agitation and in any desired sequence. | 11-05-2009 |
20090272937 | ALUMINIUM OXIDE POWDER, DISPERSION AND COATING COMPOSITION - Aluminium oxide powder in the form of aggregates of primary- particles, which has a BET surface area of from 10 to 90 m2/g and comprises as crystalline phases, in addition to gamma- aluminium oxide and/or theta-aluminium oxide, at least 30% of delta-aluminium oxide. It is prepared by vaporizing aluminium chloride and burning the vapour together with hydrogen and air, the ratio of primary air/secondary air being 0.01 to 2, the exit speed v | 11-05-2009 |
20100016490 | POLYMERS - Polymers, such as silicone rubber, contain a pyrogenically produced titanium dioxide encapsulated with silicon dioxide, as filler, and a process for improving the stability of polymers with regard to the action of heat and flames. | 01-21-2010 |
20100022694 | SURFACE-MODIFIED SILICAS - Surface-modified silicas Surface-modified, highly structured, potassium oxide-doped silicas, characterized by BET surface area, m | 01-28-2010 |
20100037800 | SILICON DIOXIDE DISPERSION - Stable, aqueous dispersion containing silicon dioxide powder having a hydroxyl group density of 2.5 to 4.7 OH/nm | 02-18-2010 |
20100071594 | SILICON DIOXIDE DISPERSION - Stable, aqueous dispersion containing silicon dioxide powder having a hydroxyl group density of 2.5 to 4.7 OH/nm | 03-25-2010 |
20100107930 | DISPERSION OF HIGH SURFACE AREA SILICA - Dispersion comprising water and mixed potassium silicon oxide powder, where—the mixed oxide powder is in the form of aggregates of primary particles, has a BET surface area of 100 to 400 m | 05-06-2010 |
20100120609 | PHOTOCATALYST - Silicon titanium mixed oxide powder having the following features: BET surface area of 5 to 300 m | 05-13-2010 |
20100150819 | TITANIUM DIOXIDE HAVING INCREASED SINTERING ACTIVITY - A crystalline titanium dioxide powder, containing aggregated primary particles, wherein a BET surface area of the aggregated primary particles is from 30 to 65 m | 06-17-2010 |
20100178509 | SILICA GLASS GRANULE - Silica glass granule having the following features:
| 07-15-2010 |
20100183495 | PROCESS FOR PREPARING HIGH-PURITY SILICON DIOXIDE GRANULE - Process for preparing a silicon dioxide granule having a specific surface area of less than 1 m | 07-22-2010 |
20100196243 | SURFACE-MODIFIED, PYROGENICALLY PREPARED SILICAS - Surface-modified, pyrogenically prepared silica is prepared by subjecting the pyrogenically prepared silica, which is in the form of aggregates of primary particles and possesses a BET surface area of 200±25 m | 08-05-2010 |
20100196815 | ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER - Electrostatic charge image developing toner Electrostatic charge image developing toner containing external additives comprising pyrogenically prepared surface modified silicon-dioxide-titanium mixed oxides. | 08-05-2010 |
20100200803 | Surface-Modified, Pyrogenically Prepared Silicas - Surface-modified, pyrogenically prepared silica is prepared by subjecting the pyrogenically prepared silica, which is in the form of aggregates of primary particles having a BET surface area of 300±25 m | 08-12-2010 |
20100209339 | SILICON-TITANIUM MIXED OXIDE POWDER, DISPERSION THEREOF AND TITANIUM-CONTAINING ZEOLITE PREPARED THEREFROM - Pyrogenic silicon-titanium mixed oxide powder having • a BET surface area of 200 to 400 m | 08-19-2010 |
20100233059 | SURFACE-MODIFIED, PYROGENICALLY PREPARED SILICAS - Surface-modified, pyrogenically prepared silica is prepared by subjecting the pyrogenically prepared silica, which is in the form of aggregates of primary particles and possesses a BET surface area of 150±15 m | 09-16-2010 |
20100234218 | TITANIUM DIOXIDE HAVING A VARIABLE SINTERING STABILITY - Provided is a crystalline TiO | 09-16-2010 |
20110171120 | PROCESS FOR PREPARING A DISPERSION COMPRISING TITANIUM-SILICON MIXED OXIDE - Process for preparing an aqueous dispersion which has a pH of 9 to 14 and comprises particles of a pyrogenic titanium-silicon mixed oxide powder having a proportion of silicon dioxide of 75 to 99.99% by weight and of titanium dioxide of 0.01 to 25% by weight, whose mean aggregate diameter in the dispersion is not more than 200 nm, and at least one basic, quaternary ammonium compound. | 07-14-2011 |
20120116102 | SILICON-TITANIUM MIXED OXIDE-CONTAINING DISPERSION FOR THE PRODUCTION OF TITANIUM-CONTAINING ZEOLITES - Dispersion containing pyrogenic silicon-titanium mixed oxide powders with a silicon dioxide content of 75 to 99.99 wt.-% and a titanium dioxide content of 0.01 to 25 wt. %, water and a basic, quaternary ammonium compound, wherein the mean aggregate diameter of the particles of the silicon-titanium mixed oxide powder in the dispersion is 200 nm at most. Process for the production of a titanium-containing zeolite with the use of the dispersion. | 05-10-2012 |