Chelator stabilized cationic ammonium compounds and compositions comprising the same
US8324255B2 · kind B2 · utility
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2Claims
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Key dates
| Filing date | Sep 15, 2009 |
| Grant date | Dec 4, 2012 |
| Priority date | — |
| Expiry date | Dec 17, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Stabilized cationic ammonium compounds are described. The compounds are stabilized with pyridine-based chelators and/or heteroketo-based chelators that impede the generation of nitrogen comprising groups from the cationic ammonium compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.