Sol-forming cerium material
US5145605A · kind A · utility
3Cited by
25References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 16, 1991 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Sep 16, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/64
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel cerium (IV) material, well adopted for the production of aqueous colloidal sols therefrom, has the general formula (I): EQU Ce(M).sub.t (CH.sub.3 --CH.sub.2 ].sub.n COO.sup.-).sub.x (OH.sup.-).sub.y (NO.sub.3.sup.-).sub.z (I) whereein M is an alkali metal or a quaternary ammonium radical; t ranges from 0.1 to 0.3; n is 0 or 1; x ranges from 0.1 to 0.7; y is a number such that y=4+t-x-z; and z ranges from 0.3 to 0.6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.