Method for removing harmful components from a gaseous mixture
US6379638B1 · kind B1 · utility
3Cited by
13References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jul 29, 1998 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Jul 29, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2002/72
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Compounds having the formulaA2B3O6±dwherein A is an alkaline-earth metal, an alkaline metal, a lanthanide, or a solid solution thereof, B is a transition metal, an element of group III, or a solid solution thereof, and d has a value between 0 and 1; a method for preparing the compounds; a method for producing composite materials on various matrices and thin or thick films deposited on various substrates which contain the compounds; their use; and a method for eliminating certain gases from a mixture that includes them by using the compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.