CA Patent

CA2600085A1 — Microparticle and pharmaceutical preparation

Assigned to Toray Industries Inc · Expires 2006-09-14 · 20y expired

What this patent protects

A microparticle containing an amphiphilic polymer, composed of an internal nucleus consisting of a hydrophilic segment of the amphiphilic polymer and a hydrophobic outer layer consisting of a hydrophobic segment of the amphiphilic polymer, wherein a surface modifier binds to the …

USPTO Abstract

A microparticle containing an amphiphilic polymer, composed of an internal nucleus consisting of a hydrophilic segment of the amphiphilic polymer and a hydrophobic outer layer consisting of a hydrophobic segment of the amphiphilic polymer, wherein a surface modifier binds to the hydrophobic outer layer. This microparticle effectively encloses a hydrophilic large-molecular-weight-having protein/peptide pharmaceutical, nucleic acid pharmaceutical, etc. in the internal nucleus consisting of a hydrophilic segment of amphiphilic polymer, thus being suitable for in vivo stabilization and absorption promotion.

Drugs covered by this patent

Patent Metadata

Patent number
CA2600085A1
Jurisdiction
CA
Classification
—
Expires
2006-09-14
Drug substance claim
No
Drug product claim
No
Assignee
Toray Industries 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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