| |
 |
|
|
Inventor: Picard; Francoise
Address: Fontenay/Sous/Bois, FR
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5891412 |
Ceric oxide particulates having improved morphology |
April 6, 1999 |
| Ceric oxide particulates having a specific surface of at least 190 m.sup.2 /g, measured after calcination at a temperature of from 350.degree. to 450.degree. C., and a specific surface of at least 15 m.sup.2 /g after calcination at 800.degree. C., are prepared by (a) suspending, in an |
| 5279789 |
Ceric oxide particulates having improved morphology |
January 18, 1994 |
| Ceric oxide particulates having a specific surface of at least 190 m.sup.2 /g, measured after calcination at a temperature of from 350.degree. to 450.degree. C., and a specific surface of at least 15 m.sup.2 /g after calcination at 800.degree. C., are prepared by (a) suspending, in an |
| 5178664 |
Essentially anhydrous admixtures of dehydrated rare earth halides and alkali/alkaline earth meta |
January 12, 1993 |
| Essentially anhydrous (i.e., containing no more than 2.5% by weight of water of hydration) admixtures of (i) dehydrated rare earth halides, (ii) at least 10% by weight of alkali and/or alkaline earth metal halides, and (iii) up to 4.5% by weight of rare earth oxyhalides, these halides be |
|
|
|
