Ultrasonically modulated polymeric devices for delivering compositions
US4779806A · kind A · utility
50Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 1986 |
| Grant date | Oct 25, 1988 |
| Priority date | — |
| Expiry date | Nov 28, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G67/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition such as a biologically active substance is delivered upon demand from a polymeric matrix by exposing the polymeric matrix containing the composition to ultrasonic energy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.