GB Patent

GB8518301D0 — Hydrodynamically explosive systems

Assigned to Fujisawa Pharmaceutical Co Ltd · Expires 1985-08-29 · 41y expired

What this patent protects

Time-Controlled Explosion Systems comprising drug, swelling agent and water-insoluble coating material characterized in that drug release is caused by the explosion of membrane after a definite time period, and method for preparing it.

USPTO Abstract

Time-Controlled Explosion Systems comprising drug, swelling agent and water-insoluble coating material characterized in that drug release is caused by the explosion of membrane after a definite time period, and method for preparing it.

Drugs covered by this patent

Patent Metadata

Patent number
GB8518301D0
Jurisdiction
GB
Classification
—
Expires
1985-08-29
Drug substance claim
No
Drug product claim
No
Assignee
Fujisawa Pharmaceutical Co Ltd
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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