EP1632237A2 — Compositions comprising drospirenone and a complex between ethinyl-estradiol and a cyclodextrin
Assigned to Bayer Intellectual Property GmbH · Expires 2006-03-08 · 20y expired
What this patent protects
The present invention relates to compositions and unit dosage forms comprising drospirenone and a complex between ethinyl estradiol and a cyclodextrin. Such complexes confer very high chemical stability to ethinyl estradiol. The compositions and dosage forms of the invention are …
USPTO Abstract
The present invention relates to compositions and unit dosage forms comprising drospirenone and a complex between ethinyl estradiol and a cyclodextrin. Such complexes confer very high chemical stability to ethinyl estradiol. The compositions and dosage forms of the invention are useful for, e.g., female contraception.
Drugs covered by this patent
- Slynd (DROSPIRENONE) · Exeltis Usa Inc
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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