Controlled release formulations and method of treatment
US4293539A · kind A · utility
220Cited by
15References
48Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1979 |
| Grant date | Oct 6, 1981 |
| Priority date | — |
| Expiry date | Sep 12, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/1647
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Controlled release formulations useful in the prolonged treatment and control of microbial infections in animals are comprised of a microbial agent intimately dispersed throughout a copolymer derived from lactic acid and glycolic acid. A method for providing protection to animals for extended periods of time following a single administration is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.