Back to results
US 11,377,448 B2Granted
Crystalline sodium salt of 5-methyl-(6S)-tetrahydrofolic acid
AssigneeMerck Patent GmbH
InventorsRudolf Moser, Viola Groehn, Fritz Blatter, Martin Szelagiewicz, Ruth Boehni Stamm, Markus Ruettimann
Life of this patent
Estimating the term…
Abstract
The present invention is directed to a crystalline sodium salt of 5-methyl-(6S)-tetrahydrofolic acid wherein the molar ratio of 5-methyl-(6S)-tetrahydrofolic acid to sodium is from 1:1.51 to 1:2.5 and/or hydrates and/or solvates thereof, as well as, a process of obtaining the same.
Claims22
A crystalline sodium salt of 5-methyl-(6S)-tetrahydrofolic acid wherein the molar ratio of 5-methyl-(6S)-tetrahydrofolic acid to sodium is from 1:1.51 to 1:2.5 and/or a hydrate and/or a solvate thereof.
Dependencies are inferred from the claim text.