CN Patent

CN1044758A — 子宫内避孕器

Assigned to RADELKIS ELEKTROKERIAI KASZERGYARBO IPARI SZOVETKEZET · Expires 1990-08-22 · 36y expired

What this patent protects

本发明涉及一种子宫内避孕器，它包括一个具有避孕活性的金属物质的活性主体(2)，支持在子宫内该活性主体(2)的携带装置(1)。本发明的实质在于至少由二种金属制成的活性主体(2)在子宫环境内形成一种复杂的电池。

USPTO Abstract

本发明涉及一种子宫内避孕器，它包括一个具有避孕活性的金属物质的活性主体(2)，支持在子宫内该活性主体(2)的携带装置(1)。本发明的实质在于至少由二种金属制成的活性主体(2)在子宫环境内形成一种复杂的电池。

Drugs covered by this patent

Patent Metadata

Patent number
CN1044758A
Jurisdiction
CN
Classification
—
Expires
1990-08-22
Drug substance claim
No
Drug product claim
No
Assignee
RADELKIS ELEKTROKERIAI KASZERGYARBO IPARI SZOVETKEZET
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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