Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US4965353A | Polysaccharide esters and their salts | Fidia Farmaceutici SpA | Expired / Lapsed | 1989-04-19 | 1990-10-23 | 2009-04-19 | 0.0 yrs | 47 | |
| US4851521A | Esters of hyaluronic acid | Fidia Farmaceutici SpA | Expired / Lapsed | 1986-07-02 | 1989-07-25 | 2006-07-02 | 0.0 yrs | 53 |