Claims for Patent: 5,922,338
✉ Email this page to a colleague
Summary for Patent: 5,922,338
| Title: | Polyol esters, their preparation and use in depot forms of pharmacologically active agents |
| Abstract: | This invention provides a polyester of a polyol, said polyol containing at least 3 hydroxyl groups and having a molecular weight of up to 20,000 at least 1 hydroxyl group in said polyol being in the form of an ester, with a poly- or co-poly-lactic acid residue, each having a molecular weight of at least from 5,000. These are useful for parenteral depot formulations. |
| Inventor(s): | Brich; Zdenek (Binningen, CH), Kissel; Thomas (Ehrenkirchen, DE) |
| Assignee: | Novartis AG (Basel, CH) |
| Application Number: | 08/471,304 |
| Patent Claims: |
1. A branched polyglycolide lactide ester of glucose, having a molecular weight of from 20,000 to 200,000.
2. The ester of glucose of claim 1 having a molecular weight of 20,000 to 80,000. 3. A formulation comprising a matrix of said ester of glucose of claim 1 and a therapeutically effective amount of a pharmacologically active agent. 4. A formulation of claim 3 wherein said active agent is selected from the group consisting of bromocriptine, ketotifen and co-dergocrine. 5. A formulation of claim 3 wherein said formulation is in implant form. 6. A formulation of claim 3 wherein said formulation is in microcapsule form. |
