CA Patent

CA2141690A1 — Transdermal application agent containing 3-keto-desogestrel

Assigned to Individual · Expires 1994-03-03 · 32y expired

What this patent protects

A transdermal application agent is characterized in that it contains 3-keto-desogestrel, if required combined with one or two estrogens.

USPTO Abstract

A transdermal application agent is characterized in that it contains 3-keto-desogestrel, if required combined with one or two estrogens.

Drugs covered by this patent

Patent Metadata

Patent number
CA2141690A1
Jurisdiction
CA
Classification
—
Expires
1994-03-03
Drug substance claim
No
Drug product claim
No
Assignee
Individual
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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