US Patent

US8318201 — Method of stabilizing diarylvinylene compound

Formulation · Assigned to Kyowa Hakko Kirin Co Ltd · Expires 2027-09-05 · 1y remaining

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

What this patent protects

This patent protects a method for stabilizing a diarylvinylene compound in a solid formulation.

USPTO Abstract

(wherein Y 1 and Y 2 may be the same or different and each represents a hydrogen atom, halogen or lower alkyl; and Z and A may be the same or different and each represents substituted or unsubstituted aryl, or substituted or unsubstituted heteroaryl) The present invention provides, for example, a method for stabilization of a diarylvinylene compound such as a compound represented by the above formula (I) or the like, or a pharmaceutically acceptable salt thereof in a solid formulation containing the diarylvinylene compound or the pharmaceutically acceptable salt thereof, which comprises allowing an inorganic substance and/or a colorant to exist in the solid formulation, and the like.

Drugs covered by this patent

Patent Metadata

Patent number
US8318201
Jurisdiction
US
Classification
Formulation
Expires
2027-09-05
Drug substance claim
No
Drug product claim
Yes
Assignee
Kyowa Hakko Kirin 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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