Hydrophilic fentanyl derivatives
US11066366B2 · kind B2 · utility
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5References
4Claims
0Family size
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Key dates
| Filing date | Sep 6, 2016 |
| Grant date | Jul 20, 2021 |
| Priority date | — |
| Expiry date | Sep 6, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/59
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Various fentanyl derivatives are described. The derivatives exhibit high binding affinity to opioid receptors, but also have decreased blood brain permeability as compared to standard fentanyl. This, the resulting derivatives can be less addictive than standard fentanyl. Methods of making such derivatives are also disclosed in this document.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.