Anti-inflammatory, stable aqueous preparation comprising azulene sodium sulfonate and polyhydric alcohol
US5411993A · kind A · utility
1Cited by
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8Claims
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Key dates
| Filing date | Jul 12, 1993 |
| Grant date | May 2, 1995 |
| Priority date | — |
| Expiry date | Jul 12, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P29/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Aqueous solution preparations which comprise azulene sodium sulfonate as an active ingredient and 20 w/v % or more of a polyhydric alcohol are disclosed wherein azulene sodium sulfonate is stable in the preparation for a prolonged period of time is suited for use in treating inflammation of the oral cavity and/or throat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.