Stable crystalline tetrahydrofolic acid salts
US5817659A · kind A · utility
8Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1996 |
| Grant date | Oct 6, 1998 |
| Priority date | — |
| Expiry date | Nov 7, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P39/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to stable crystalline salts of (6R,S)-, (6S)- and (6R)-tetrahydrofolic acid, to methods of preparing these salts and to their use as an ingredient for the production of drugs and pharmaceutical preparations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.