Liquid suspension of cerium oxide particles
US11028288B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | May 28, 2019 |
| Grant date | Jun 8, 2021 |
| Priority date | — |
| Expiry date | Sep 10, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/22
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a suspension of cerium oxide particles in a liquid phase, in which said particles comprise secondary particles comprising primary particles, and a process for preparing said liquid suspension in which the cerium IV/total cerium molar ratio before precipitation is comprised between 1/10000 and 1/500000 and that the thermal treatment is being carried out under an inert atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.