Process for preparing alkali metal 3-sulfobenzoates
US5371281A · kind A · utility
0Cited by
3References
20Claims
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Assignee
Inventor
Key dates
| Filing date | Aug 6, 1993 |
| Grant date | Dec 6, 1994 |
| Priority date | — |
| Expiry date | Aug 6, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C303/32
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for preparing alkali metal 3-sulfobenzoates. 3-(Chlorosulfonyl)benzoic acid is admixed with an aqueous alkali metal chloride solution, the mixture is heated and, after reaction, cooled to .ltoreq.15.degree. C. and the crystallized alkali metal 3-sulfobenzoate is separated off.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.