Method for preparing a salt of acetylsalicylic acid and a basic amino acid
US9745246B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | May 28, 2015 |
| Grant date | Aug 29, 2017 |
| Priority date | — |
| Expiry date | May 28, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C227/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for preparing a salt of acetylsalicylic acid and a basic amino acid. A solution of acetylsalicylic acid and a solution of said basic amino acid are mixed in a reactor, at a temperature lower than or equal to 30° C. at atmospheric pressure. The mixture is created by simultaneously and progressively introducing the acetylsalicylic acid and the basic amino acid into the reactor in amounts that are always equimolar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.