Crystalline salts of 5-methyl-(6S)-tetrahydrofolic acid and L-valine ethyl ester
US11992491B2 · kind B2 · utility
1Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2019 |
| Grant date | May 28, 2024 |
| Priority date | — |
| Expiry date | Jun 2, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23V2002/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention refers to a crystalline salt comprising 5-methyl-(6S)-tetrahydrofolic acid and L-valine ethyl ester wherein the molar ratio of 5-methyl-(6S)-tetrahydrofolic acid and L-valine ethyl ester is from 1:0.3 to 1:3.0 (in mol/mol) and/or hydrates and/or solvates thereof as well as to a process of obtaining the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.