| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 07.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Process for incorporating sulfonic acid groups in structure of aliphatic non-polar water insoluble compd having MW 2000 - 18,000 & functionality < 10 comprising - Dissolving compd in water soluble solvent having boil. T 60 - 250C selected from: DMAC, DMSO, NMP, DMF & dio xane to form first soln - Reacting first soln with aq. soln of sulfonation agent (SO3H2 in presence of O to produce sulfonated prodt - Isolating. (Cyclo)aliphatic nitro compd is not a reactant |
| PATENT PHOTOCOPY | Available on request |
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