Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US5004602A | Continuous release pharmaceutical compositions formed by freeze drying acetic acid solutions of polylactide | AstraZeneca UK Ltd | Expired / Lapsed | 1986-05-12 | 1991-04-02 | 2006-05-12 | 0.0 yrs | 2 | |
| US4745160A | Biodegradable amphipathic copolymers | AstraZeneca UK Ltd | Expired / Lapsed | 1985-06-21 | 1988-05-17 | 2005-06-21 | 0.0 yrs | 6 |