Treprostinil derivatives and their use in pharmaceutical compositions
US12168071B2 · kind B2 · utility
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77References
21Claims
0Family size
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Key dates
| Filing date | Mar 2, 2022 |
| Grant date | Dec 17, 2024 |
| Priority date | — |
| Expiry date | Mar 2, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P9/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided are treprostinil derivatives with a reduced ability to form undesired impurities in a pharmaceutical formulation, such as a dry powder formulation, further containing a carboxyl group containing inactive ingredient, such as fumaryl diketopiperazine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.