CA Patent

CA2134464A1 — Microencapsulation

Assigned to EIDP Inc · Expires 1993-11-11 · 33y expired

What this patent protects

Biologically active material is encapsulated by first blending such material with hardenable liquid, e.g., hardenable by polymerization, followed by dispersing the resultant composition in a non-flowable but stirrable aqueous gel, and hardening the dispersed droplets containing t…

USPTO Abstract

Biologically active material is encapsulated by first blending such material with hardenable liquid, e.g., hardenable by polymerization, followed by dispersing the resultant composition in a non-flowable but stirrable aqueous gel, and hardening the dispersed droplets containing the biologically active material to form a stable dispersion of microcapsules containing such material in the gel.

Drugs covered by this patent

Patent Metadata

Patent number
CA2134464A1
Jurisdiction
CA
Classification
—
Expires
1993-11-11
Drug substance claim
No
Drug product claim
No
Assignee
EIDP Inc
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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