Pharmaceutical compositions with phosphonium antimicrobial agents
US9694021B2 · kind B2 · utility
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13References
7Claims
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Key dates
| Filing date | Nov 20, 2013 |
| Grant date | Jul 4, 2017 |
| Priority date | — |
| Expiry date | Apr 7, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is related to pharmaceutical compositions that include a phosphonium antimicrobial agent. In a preferred embodiment, the present invention relates to an otic, nasal or ophthalmic composition (e.g., an aqueous ophthalmic solution) that includes a phosphonium salt compound as an antimicrobial agent. The compositions typically possess sufficient antimicrobial activity to satisfy USP preservative efficacy requirements and/or similar preservative standards (e.g., EP and JP).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.