| Patent Number |
Title Of Patent |
Date Issued |
| 7553465 |
Cerium oxide powder and cerium oxide dispersion |
June 30, 2009 |
| Cerium oxide powder having carbonate groups and made of crystalline primary particles containing cerium oxide and having carbonate groups on the surface and in a region close to the surface, and having a BET surface area of from 25 to 150 m.sup.2/g, a mean diameter of from 5 to 50 nm |
| 7510693 |
Process for the production of metal oxide powders |
March 31, 2009 |
| Process for the production of a metal oxide powder having a BET surface area of at least 20 m.sup.2/g by reacting an aerosol with oxygen in a reaction space at a reaction temperature of more than 700.degree. C. and then separating the resulting powder from gaseous substances in the r |
| 7288501 |
Process and apparatus for the thermal treatment of pulverulent substances |
October 30, 2007 |
| Process and apparatus for the thermal treatment of pulverulent substances, in which the pulverulent substance is dispersed in a carrier gas and is passed in a continuous manner through a heated reactor where it is thermally treated and is then quenched by a cooling medium and is coll |
| 7264787 |
Cerium oxide powder |
September 4, 2007 |
| Polycrystalline cerium oxide powder in the form of aggregates of primary particles with a specific surface of between 70 and 150 m.sup.2/g, an average primary particle diameter of between 5 and 20 nm and an average, projected aggregate diameter of between 20 and 100 nm. It is produced in |