Transdermal medicament
US4746509A · kind A · utility
52Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 1987 |
| Grant date | May 24, 1988 |
| Priority date | — |
| Expiry date | Feb 3, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/34
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
New transdermal medicaments comprise the active ingredient dispersed in a heat-reversible, non-crosslinked, film-forming, homogeneous polymer optionally with a non-ionic emulsifier and, if appropriate, a hydrophobic, water-insoluble copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.