Patent · US Expired

Stable crystalline salts of 5-methyltetrahydrofolic acid

US6441168B1 · kind B1 · utility

31Cited by

10References

17Claims

0Family size

Assignee

EPROVA AG · CH

Inventors

Rudolf Muller · Frankfurt, DE
Rudolf Moser · Schaffhausen, CH
Thomas Egger · Illnau, CH

Key dates

Filing date	Apr 17, 2000
Grant date	Aug 27, 2002
Priority date	—
Expiry date	Apr 17, 2020

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P43/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

This invention relates to stable crystalline salts of 5-methyl-(6R,S)-, -(6S)- and -(6R)-tetrahydrofolic acid, to methods of producing these salts and to the use thereof use as a constituent for the production of drugs or as a food additive, and to preparations containing these salts.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.