Production of aqueous solutions of fluoboric acid
US5536484A · kind A · utility
1Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 1995 |
| Grant date | Jul 16, 1996 |
| Priority date | — |
| Expiry date | Oct 11, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B35/065
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention relates to the production of colorless aqueous solutions of fluoboric acid from colored effluents of boron trifluoride hydrate. The process essentially consists of treating the colored effluent with an aqueous solution of HF, and then placing the solution obtained in contact with an activated carbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.