Invention Grant
- Patent Title: Crystalline sodium salt of 5-methyl-(6S)-tetrahydrofolic acid
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Application No.: US16499732Application Date: 2018-03-28
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Publication No.: US11377448B2Publication Date: 2022-07-05
- Inventor: Rudolf Moser , Viola Groehn , Fritz Blatter , Martin Szelagiewicz , Ruth Boehni Stamm , Markus Ruettimann
- Applicant: MERCK PATENT GMBH
- Applicant Address: DE Darmstadt
- Assignee: MERCK PATENT GMBH
- Current Assignee: MERCK PATENT GMBH
- Current Assignee Address: DE Darmstadt
- Agency: Millen White Zelano and Branigan, PC
- Agent Richard Traverso
- Priority: EP17164365 20170331
- International Application: PCT/EP2018/057905 WO 20180328
- International Announcement: WO2018/178144 WO 20181004
- Main IPC: C07D475/04
- IPC: C07D475/04
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.
Public/Granted literature
- US20210107902A1 CRYSTALLINE SODIUM SALT OF 5-METHYL-(6S)-TETRAHYDROFOLIC ACID Public/Granted day:2021-04-15
Information query
