CA Patent

CA1303991C — Composition and method for delivering a steroid active ingredient

Assigned to Heron Therapeutics LLC · Expires 1992-06-23 · 34y expired

What this patent protects

PATENT COMPOSITION AND METHOD FOR DELIVERING A STEROID ACTIVE INGREDIENT ABSTRACT OF THE DISCLOSURE Delivery vehicle comprising a polymeric bead hav-ing a network of pores with a solution of an active in-gredient absorbed within the network is provided fo…

USPTO Abstract

PATENT COMPOSITION AND METHOD FOR DELIVERING A STEROID ACTIVE INGREDIENT ABSTRACT OF THE DISCLOSURE Delivery vehicle comprising a polymeric bead hav-ing a network of pores with a solution of an active in-gredient absorbed within the network is provided for use with or without a medium in a method to provide controlled release of the active ingredient useful for topical therapeutic use. The network of pores is sub-stantially noncollapsible upon removal of the solution.

Drugs covered by this patent

Patent Metadata

Patent number
CA1303991C
Jurisdiction
CA
Classification
—
Expires
1992-06-23
Drug substance claim
No
Drug product claim
No
Assignee
Heron Therapeutics LLC
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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