EP Patent

EP1611892A2 — Pharmaceutical compositions comprising drospirenone

Assigned to Bayer Pharma AG · Expires 2006-01-04 · 20y expired

What this patent protects

The present invention relates to compositions comprising drospirenone together with a pharmaceutically acceptable carrier of excipient, wherein said composition does not contain an estrogen. In one embodiment drospirenone is in micronized form. In another embodiment drospirenone …

USPTO Abstract

The present invention relates to compositions comprising drospirenone together with a pharmaceutically acceptable carrier of excipient, wherein said composition does not contain an estrogen. In one embodiment drospirenone is in micronized form. In another embodiment drospirenone is in a form having a surface area of more than 10,000 cm 2 /g. In a further embodiment drospirenone is in a form having rapid dissolution such that at least 70% of said drospirenone is dissolved within 30 minutes when the composition is subjected to dissolution testing in 900 ml of water at 37 °C using USP XXIII Paddle Method II operated at a stirring rate of 50 rpm. In a still further embodiment the composition comprises inert carrier particles containing drospirenone on their surface.

Drugs covered by this patent

Patent Metadata

Patent number
EP1611892A2
Jurisdiction
EP
Classification
—
Expires
2006-01-04
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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