Process for the preparation of aqueous solutions of potentiated sulfonamides
US4599416A · kind A · utility
3Cited by
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12Claims
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Key dates
| Filing date | Sep 3, 1982 |
| Grant date | Jul 8, 1986 |
| Priority date | — |
| Expiry date | Sep 3, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Aqueous solutions of antibacterially active sulfonamides and sulfonamide potentiators, which are suitable for parenteral administration and which contain no organic solvent, are prepared by reacting a sulfonamide RH with an aldehyde R.sup.1 CHO to give a compound of the formula R.sup.1 CH(R).sub.2 and dissolving said compound in water together with the sulfonamide potentiator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.