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Details for Patent: 8,617,597

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Patent 8,617,597 protects BEYAZ and SAFYRAL and is included in two NDAs. There have been zero Paragraph IV challenges on Safyral and Beyaz

Summary for Patent: 8,617,597

Title:Pharmaceutical composition containing a tetrahydrofolic acid
Abstract: The present invention relates to solid pharmaceutical compositions, in particular to oral contraceptives, comprising a progestogen, such as drospirenone; an estrogen, such as ethinylestradiol; a tetrahydrofolic acid or a pharmaceutically acceptable salt thereof, such as calcium 5-methyl-(6S)-tetrahydrofolate; and at least one pharmaceutical acceptable excipient or carrier. The compositions of the invention provide good stability of the tetrahydrofolic acid upon storage while still ensuring a fast and reliable release of the estrogen and the progestogen present in the composition.
Inventor(s): King; Kristina (Berlin, DE)
Assignee: Bayer Intellectual Property GmbH (Monheim, DE)
Application Number:11/773,689
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form;
Patent Metrics:
Source: PatentQuant.com
Field: Pharmaceuticals
Back Citations: 0th percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Bayer Hlthcare
BEYAZ
drospirenone; ethinyl estradiol; levomefolate calcium
TABLET;ORAL022532-001Sep 24, 2010RXNo8,617,597► subscribeY
Bayer Hlthcare
SAFYRAL
drospirenone; ethinyl estradiol; levomefolate calcium
TABLET;ORAL022574-001Dec 16, 2010RXYes8,617,597► subscribeY
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