Multi-dose compositions containing an antimicrobial polyamide or octenidine preservative
US10583154B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Apr 13, 2017 |
| Grant date | Mar 10, 2020 |
| Priority date | — |
| Expiry date | Apr 13, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N2750/10034
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to non-mercurial preservatives, including antimicrobial polyamide polymers and octenidine, and to methods of use thereof to produce preservative-containing multi-dose formulations. The preservative-containing multi-dose formulations exhibit resistance to one or more contaminating microorganisms, and have advantageous properties with respect to long term stability of biological and small molecule active ingredients.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.