DrugPatentWatch Database Preview
Details for Patent: 7,163,931
Which drugs does patent 7,163,931 protect, and when does it expire?
Patent 7,163,931 protects BEYAZ, SAFYRAL, and YAZ, and is included in three NDAs.
This patent has seventy-three patent family members in thirty-eight countries.
Summary for Patent: 7,163,931
| Title: | Compositions of estrogen-cyclodextrin complexes |
| Abstract: | Pharmaceutical compositions comprising low doses of sensitive complexes between an estrogen and a cyclodextrin are provided with improved stability. In specific embodiments the composition comprises a complex between ethinyl estradiol and .beta.-cyclodextrin in a granulate preparation and in yet another embodiment the composition comprises a limited amount of polyvinylpyrrolidone since this excipient was found to degrade ethinyl estradiol. Furthermore, a method for improving the stability of an estrogen in a composition and for manufacturing such a stable composition is provided. Essentially, the granulate preparation are manufactured under careful control of the relative humidity. |
| Inventor(s): | Backensfeld; Thomas (Berlin, DE), Heil; Wolfgang (Berlin, DE), Lipp; Ralph (Berlin, DE) |
| Assignee: | Schering Aktiengesellchaft (Berlin, DE) |
| Application Number: | 11/102,681 |
| Patent Litigation and PTAB cases: | See patent lawsuits and PTAB cases for patent 7,163,931 |
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Patent Claim Types: see list of patent claims | Use; Composition; |
Drugs Protected by US Patent 7,163,931
| 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 | Request a Trial | Request a Trial | PREVENTION OF PREGNANCY | Request a Trial | |||
| Bayer Hlthcare | SAFYRAL | drospirenone; ethinyl estradiol; levomefolate calcium | TABLET;ORAL | 022574-001 | Dec 16, 2010 | AB | RX | Yes | Yes | Request a Trial | Request a Trial | PREVENTION OF PREGNANCY | Request a Trial | |||
| Bayer Hlthcare | YAZ | drospirenone; ethinyl estradiol | TABLET;ORAL | 021676-001 | Mar 16, 2006 | AB | RX | Yes | Yes | Request a Trial | Request a Trial | PREVENTION OF PREGNANCY | Request a 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: 7,163,931
| Foriegn Application Priority Data | ||
| Foreign Country | Foreign Patent Number | Foreign Patent Date |
| 00610135 | Dec 20, 2000 | |
International Family Members for US Patent 7,163,931
| Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
|---|---|---|---|---|---|
| Argentina | 032205 | Request a Trial | |||
| Austria | 311204 | Request a Trial | |||
| Australia | 1941802 | Request a Trial | |||
| Australia | 2002219418 | Request a Trial | |||
| Australia | 2006225232 | Request a Trial | |||
| >Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |
