Crystalline cerium oxide and preparation method of the same
US8703085B2 · kind B2 · utility
0Cited by
0References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2011 |
| Grant date | Apr 22, 2014 |
| Priority date | — |
| Expiry date | May 9, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to crystalline cerium oxide prepared in a simple, economical, and efficient manner, of which crystal structure, shape, and size can be easily adjusted and that exhibits excellent polishing properties, and a preparation method thereof. The crystalline cerium oxide can be prepared as sub-micron crystalline cerium oxide that has a mean volume diameter and a diameter standard deviation within a predetermined range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.