EP0226679A1 — Contraceptive method and kit
Assigned to Warner Lambert Co LLC · Expires 1987-07-01 · 39y expired
What this patent protects
Contraceptive methods and delivery systems involving few undesirable side effects during administration are based on novel estrogen/progestogen combinations and multiphase administration sequences.
USPTO Abstract
Contraceptive methods and delivery systems involving few undesirable side effects during administration are based on novel estrogen/progestogen combinations and multiphase administration sequences.
Drugs covered by this patent
- Natazia (DIENOGEST) · Mochida Pharmaceutical Co., Ltd.
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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