Patent application number | Description | Published |
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 |
20080318046 | TITANIUM DIOXIDE HAVING A VARIABLE SINTERING STABILITY - Provided is a crystalline TiO | 12-25-2008 |
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 |
20100234218 | TITANIUM DIOXIDE HAVING A VARIABLE SINTERING STABILITY - Provided is a crystalline TiO | 09-16-2010 |
20110217552 | PROCESS FOR PREPARING AN ALUMINIUM OXIDE POWDER HAVING A HIGH ALPHA-AL2O3 CONTENT - Process for preparing an aluminium oxide powder which is present in the form of aggregated primary particles and comprises at least 85% by weight of alpha-aluminium oxide, in which an aluminium oxide powder which a) is present in the form of aggregated primary particles, b) is selected from the group consisting of gamma-aluminium oxide, theta-aluminium oxide, delta-aluminium oxide and/or X-ray amorphous aluminium oxide, and c) has a tamped density of at least 250 g/l, is subject to a heat treatment at 13000C or more and subsequently milled. Aluminium oxide powder which can be obtained by this process. Aluminium oxide powder in the form of aggregated primary particles having a BET surface area of from 3 to 30 m2/g, in which the proportion of alpha-aluminium oxide is at least 85% by weight and the ratio dgo/dio of the weight distribution of the primary particles is at least 2.8. Use as constituent of fluorescent tubes. | 09-08-2011 |
20120302436 | GRANULES COMPRISING SILICA AND TITANIA - A granulated material comprising a mixed silicon-titanium oxide powder, wherein a proportion of TiO | 11-29-2012 |
20130303361 | SILICON-ALUMINUM MIXED OXIDE POWDER - Silicon-aluminum mixed oxide powder having a weight ratio of (Al | 11-14-2013 |