Absorbable polymer-drug compounds and method for making same
US4328204A · kind A · utility
27Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1977 |
| Grant date | May 4, 1982 |
| Priority date | — |
| Expiry date | Mar 2, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/593
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Drugs with active hydrogen containing groups are reacted with .alpha.-polyester homopolymers and copolymers to form compounds which slowly absorb and release the drug when implanted in animal tissue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.