EP Patent

EP0776660B1 — Long-lasting release nifedipine preparation

Assigned to Bayer AG · Expires 2002-07-24 · 24y expired

What this patent protects

This invention provides a long-lasting release solid nifedipine preparation which exhibits clinically sufficient effect when administered once per day. ÄConstructionÜ A press coated tablet whose core and shell each contains nifedipine, the dissolution rate of nifedipine from sa…

USPTO Abstract

This invention provides a long-lasting release solid nifedipine preparation which exhibits clinically sufficient effect when administered once per day. ÄConstructionÜ A press coated tablet whose core and shell each contains nifedipine, the dissolution rate of nifedipine from said tablet being (a) in the dissolution test using a sinker according to method 2 of the dissolution test method as prescribed by the Pharmacopoeia of Japan, after 2 hours 10-40% after 4 hours 30-65% after 6 hours at least 55%, and (b) in the dissolution test according to the disintegration test method as prescribed by the Pharmacopoeia of Japan, after 3 hours 20-45% after 4 hours 30-65%. c

Drugs covered by this patent

Patent Metadata

Patent number
EP0776660B1
Jurisdiction
EP
Classification
—
Expires
2002-07-24
Drug substance claim
No
Drug product claim
No
Assignee
Bayer 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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