Highly pure phentolamine mesylate
US11976044B2 · kind B2 · utility
2Cited by
76References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 30, 2022 |
| Grant date | May 7, 2024 |
| Priority date | — |
| Expiry date | Dec 30, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P27/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention provides methods for synthesizing phentolamine mesylate from phentolamine and methanesulfonic acid in the presence of acetone and water. The methods of the present invention provide highly pure phentolamine mesylate. The invention also provides highly pure phentolamine mesylate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.