Percutaneously absorbable crosslinked polyvinylpyrrolidone eperisone or tolperisone preparation
US5252588A · kind A · utility
21Cited by
8References
8Claims
0Family size
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Key dates
| Filing date | Feb 2, 1993 |
| Grant date | Oct 12, 1993 |
| Priority date | — |
| Expiry date | Feb 2, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/445
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A pharmacological composition for percutaneous administration to a human patient comprises a pharmacologically effective amount of eperisone, a salt thereof, tolperisone or a salt thereof, a water-swellable crosslinked polyvinylpyrrolidone and a base carrier, and exhibits improved percutaneous absorption.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.