Spray formulations of antihyperalgesic opiates and method of treating topical hyperalgesic conditions and pruritus therewith
US5798093A · kind A · utility
13Cited by
6References
2Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 14, 1997 |
| Grant date | Aug 25, 1998 |
| Priority date | — |
| Expiry date | Jul 14, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Spray formulations of anti-pruritic opiates having a peripheral selectivity of 251 to 1,280 in a solvent mixture of up to 15% w/w alcohol selected from the group consisting of ethyl, propyl and isopropyl alcohol and water greater than or equal to 85% w/w water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.