Details for Patent: 8,617,597
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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 Litigation and PTAB cases: | See patent lawsuits and PTAB cases for patent 8,617,597 |
Patent Claim Types: see list of patent claims | Composition; Formulation; Compound; Dosage form; |
Drugs Protected by US Patent 8,617,597
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 | Yes | Yes | ⤷ Sign Up | ⤷ Sign Up | Y | ⤷ Sign Up | |||
Bayer Hlthcare | SAFYRAL | drospirenone; ethinyl estradiol; levomefolate calcium | TABLET;ORAL | 022574-001 | Dec 16, 2010 | AB | RX | Yes | Yes | ⤷ Sign Up | ⤷ Sign Up | Y | ⤷ Sign Up | |||
>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Patented / Exclusive Use | >Submissiondate |