CN Patent

CN1946383B — 基于天然雌激素的多段式避孕制剂

Assigned to Bayer Pharma AG · Expires 2010-06-09 · 16y expired

What this patent protects

本发明涉及一种基于天然雌激素和合成孕激素的多段式避孕制剂。与经过长期和广泛的使用已被证明为可靠和安全的排卵抑制剂相比,本发明的多段式制剂避孕在整个周期持续时间内可靠性更高,改善了周期性出血,同时使副作用如乳房触痛、头痛、情绪低落和性欲改变等最小化或消除。

USPTO Abstract

本发明涉及一种基于天然雌激素和合成孕激素的多段式避孕制剂。与经过长期和广泛的使用已被证明为可靠和安全的排卵抑制剂相比,本发明的多段式制剂避孕在整个周期持续时间内可靠性更高,改善了周期性出血,同时使副作用如乳房触痛、头痛、情绪低落和性欲改变等最小化或消除。

Drugs covered by this patent

Patent Metadata

Patent number
CN1946383B
Jurisdiction
CN
Classification
Expires
2010-06-09
Drug substance claim
No
Drug product claim
No
Assignee
Bayer Pharma AG
Source
FDA Orange Book + USPTO grounding via Google Patents

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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