Preservative-free treprostinil devices
US11318148B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Mar 24, 2020 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | Oct 18, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C405/0075
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Embodiments include a system including a sealed prefilled drug-reservoir. The drug-reservoir may include a unit dosage of treprostinil in a sterile fluid composition. The composition may not include an antimicrobial preservative. The treprostinil may be present at a dosage of between 0.1 mg/mL and 25 mg/mL. In addition, the treprostinil may be treprostinil sodium Furthermore, the composition may include sodium chloride. The composition may also include a sodium ion from sodium chloride in a concentration from 3000 to 4500 ppm. The composition may not include metacresol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.