Hydroquinone composition having enhanced bio-availability and percutaneous adsorption
US4678663A · kind A · utility
20Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1984 |
| Grant date | Jul 7, 1987 |
| Priority date | — |
| Expiry date | Feb 6, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A new and improved vehicle for delivering pharmaceutical ingredients to the human skin in a manner whereby the bioavailability, subcutaneous adsorption, and effectiveness of the active ingredient are remarkably enhanced. The vehicle comprises a volatile silicone, a fatty alcohol having from 12-22 carbon atoms, a preselected active ingredient; and such preservatives or emulsifying agents as may be warranted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.