Transparent aqueous solution of diclofenac sodium and medicinal compositions with the use of the same
US6054484A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Aug 7, 1998 |
| Grant date | Apr 25, 2000 |
| Priority date | — |
| Expiry date | Aug 7, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/18
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed are a clear aqueous solution of diclofenac sodium dissolved in a mixed solvent of a fatty acid dialkylolamide and water; an anti-inflammatory analgesic composition excellent in percutaneous absorption, which comprises the clear aqueous solution and a higher unsaturated aliphatic alcohol contained in the solution; and a self-adhesive cataplasm comprising a cataplasm base and the clear aqueous solution, polybutene and gelatin added in the base. The clear aqueous solution of diclofenac sodium contains, in particular, diclofenac sodium, a fatty acid dialkylolamide and water at a ratio falling within a hexagonal region formed by linking the points A, B, C, D, E and F in the figure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.