Sustained-release formulation containing and amino acid polymer
US4668506A · kind A · utility
231Cited by
27References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 16, 1985 |
| Grant date | May 26, 1987 |
| Priority date | — |
| Expiry date | Aug 16, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0051
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A sustained-release polymeric hydrogel dosage form useful for topical, systemic or transdermal administration of a medicinal agent comprising a cross-linked, polymerized hydrophilic polymer, an amino acid polymer, a cross-linking agent, an optional hydrophobic polymer and said medicinal agent in a therapeutically effective amount.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.