EP Patent

EP0580690A1 — IMPROVEMENTS IN MEDICINAL PRODUCTS.

Assigned to Novartis AG · Expires 1994-02-02 · 32y expired

What this patent protects

Particles of a substantially non-water-soluble biologically active substance charged with an ester charged with glyceryl as an electrostatic stabilizer giving the particles a zeta potential, in which the weight ratio between the active substance and the stabilizer is between 1: 1…

USPTO Abstract

Particles of a substantially non-water-soluble biologically active substance charged with an ester charged with glyceryl as an electrostatic stabilizer giving the particles a zeta potential, in which the weight ratio between the active substance and the stabilizer is between 1: 1 and 400: 1, and the average particle diameter is between 1 nanometer and 10 micrometers. Said particles can be used as delivery systems.

Drugs covered by this patent

Patent Metadata

Patent number
EP0580690A1
Jurisdiction
EP
Classification
—
Expires
1994-02-02
Drug substance claim
No
Drug product claim
No
Assignee
Novartis 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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