Progestogen-anti-progestogen regimens
Patent 6506390 Issued on January 14, 2003. Estimated Expiration Date: 
January 8, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 8, 2021. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesAntiprogestin cyclophasic hormonal regimen Preparation for substitution therapy, containing at least one progestogen and at least one estrogen Patent #: 5827843 InventorsAssigneeApplicationNo. 757048 filed on 01/08/2001US Classes:424/400, PREPARATIONS CHARACTERIZED BY SPECIAL PHYSICAL FORM424/423, Surgical implant or material424/451, Capsules (e.g., of gelatin, of chocolate, etc.)424/456, Gelatin424/464, Tablets, lozenges, or pills424/465, With claimed perfecting feature in contents (e.g., excipient, lubricant, etc.)514/169, Cyclopentanohydrophenanthrene ring system DOAI514/170Plural Compounds containing cyclopentanohydrophenanthrene ring systemsExaminersPrimary: Page, Thurman K.Assistant: Channavajjala, Lakshmi Attorney, Agent or FirmForeign Patent References
International ClassA61K 009/00Foreign Application Priority Data1996-06-25 EPAbstractA contraceptive and/or HRT (hormone replacement therapy) kit comprising sequential daily dosage units each containing as the sole contraceptively effective ingredient a progestogen, or as the effective ingredient for HRT a progestogen with or without an estrogen or an estrogen only, and further two or more dosage units comprising an anti-progestogen. The present invention also provides contraceptive and HRT methods comprising administering daily dosage units of a progestogen and anti-progestogen.Other References
Field of SearchSurgical implant or materialTablets, lozenges, or pills With claimed perfecting feature in contents (e.g., excipient, lubricant, etc.) Capsules (e.g., of gelatin, of chocolate, etc.) Gelatin PREPARATIONS CHARACTERIZED BY SPECIAL PHYSICAL FORM Cyclopentanohydrophenanthrene ring system DOAI Plural Compounds containing cyclopentanohydrophenanthrene ring systems | |
