Low-burst polymers and methods to produce polymer
US11147880B2 · kind B2 · utility
1Cited by
39References
21Claims
0Family size
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Key dates
| Filing date | Jan 8, 2019 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Jun 14, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/90
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A PLG copolymer material, termed a PLG(p) copolymer material, adapted for use in a controlled release formulation for a bioactive material is provided, wherein the formulation exhibits a reduced “initial burst” effect when introduced into the tissue of a patient in need thereof. A method of preparation of the PLG copolymer material is also provided, as are methods of use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.