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Last Updated: October 22, 2020

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Details for Patent: 6,441,168

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Summary for Patent: 6,441,168
Title: Stable crystalline salts of 5-methyltetrahydrofolic acid
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.
Inventor(s): Muller; Rudolf (Schaffhausen, CH), Moser; Rudolf (Schaffhausen, CH), Egger; Thomas (Effretikon, CH)
Assignee: Eprova AG (Schaffhausen, CH)
Application Number:09/551,405
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,441,168
Patent Claim Types:
see list of patent claims
Compound; Use; Formulation;

Drugs Protected by US Patent 6,441,168

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Bayer Hlthcare BEYAZ drospirenone; ethinyl estradiol; levomefolate calcium TABLET;ORAL 022532-001 Sep 24, 2010 AB RX No No   Start Trial   Start Trial Y   Start Trial
Bayer Hlthcare SAFYRAL drospirenone; ethinyl estradiol; levomefolate calcium TABLET;ORAL 022574-001 Dec 16, 2010 AB RX Yes Yes   Start Trial   Start Trial Y   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 6,441,168

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Switzerland695/99Apr 15, 1999

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Serving leading biopharmaceutical companies globally:

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Merck
Moodys
Dow
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McKesson

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