| 20110052804 | PROCESS FOR THE MANUFACTURE OF TITANIA COATED MICROSPHERES - The present invention relates to a process for the manufacture of titania-coated microspheres, preferably titania-coated inorganic microspheres, comprising at least the steps of: (i) providing a mixture comprising (a) a solution of a titania precursor of formula A pTi qF rin a solvent comprising water, wherein A is selected from the group consisting of hydrogen, alkali metal and ammonium, p is 2, 3, 4 or 6, q is 1 or 2 and r is 6, 7, 8 or 14 such that p+4q=r and (b) inorganic microspheres; (ii) adding a fluoride scavenger to the mixture; and (iii) maintaining the pH of the mixture in the range of 1 to less than 2 during at least a part of the process. | 03-03-2011 |
