US7732430 — Drug delivery system comprising a tetrahydroxilated estrogen for use in hormonal contraception
Method of Use · Assigned to Pantarhei Bioscience BV · Expires 2028-01-15 · 2y remaining
What this patent protects
This patent protects a method of contraception that involves the oral administration of a specific type of estrogen and a progestogenic component to a female.
USPTO Abstract
A method of contraception in mammalian females, which method comprises the oral administration of an estrogenic component and a progestogenic component to a female of childbearing capability in an amount effective to inhibit ovulation, wherein the estrogenic component is selected from the group consisting of substances represented by the following formula (1) in which R1, R2, R3, R4 independently are a hydrogen atom, a hydroxyl group or an alkoxy group with 1-5 carbon atoms; each of R5, R6, R7 is a hydroxyl group; and no more than 3 of R1, R2, R3, R4 are hydrogen atoms; precursors capable of liberating a substance according to the aforementioned formula when used in the present method; and mixtures of one or more of the aforementioned substances and/or precursors. Another aspect of the invention concerns a pharmaceutical kit comprising oral dosage units that contain the aforementioned estrogenic component and/or a progestogenic component.
Drugs covered by this patent
- Slynd (DROSPIRENONE) · Exeltis Usa Inc
FDA Patent Use Codes
When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.
| Code | Description | Drug |
|---|---|---|
U-3152 |
— | Slynd |
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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