US Patent

US12064438 — Pharmaceutical preparation excellent in light stability and dissolution property

Formulation · Assigned to Shionogi and Co Ltd · Expires 2039-10-09 · 13y remaining

Vulnerability score 55/100 Moderate — design-around opportunities exist

What this patent protects

This patent protects a pharmaceutical preparation that is resistant to light degradation and has good dissolution properties, achieved through a specific coating process.

USPTO Abstract

The present invention provides a preparation that is minimally colored through irradiation with light by coating a preparation containing a compound represented by formula (I) or a pharmaceutically acceptable salt thereof, or a crystal thereof with a light stabilizing substance and a polymer, particularly with one or more of titanium oxide and talc used as the light stabilizing substance and hypromellose used as the polymer.

Drugs covered by this patent

Patent Metadata

Patent number
US12064438
Jurisdiction
US
Classification
Formulation
Expires
2039-10-09
Drug substance claim
No
Drug product claim
Yes
Assignee
Shionogi and 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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