Treatment of organic sulfonic acid
US5344967A · kind A · utility
18Cited by
1References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1991 |
| Grant date | Sep 6, 1994 |
| Priority date | — |
| Expiry date | Jun 28, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07G99/0024
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention describes treating an organic sulfonic acid with an olefin to obtain an improvement in color of the resultant salts and to lessen the amount of inactive components in the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.