EP Patent

EP0784974A1 — Solid dispersion or solid dispersion preparation of xanthine derivatives

Assigned to Kyowa Kirin Co Ltd · Expires 1997-07-23 · 29y expired

What this patent protects

A solid dispersion or solid dispersion preparation, each containing a xanthine derivative represented by general formula (I) or a pharmacologically acceptable salt thereof and a high-molecular-weight compound, wherein R 1 and R 2 may be the same or different and each represents…

USPTO Abstract

A solid dispersion or solid dispersion preparation, each containing a xanthine derivative represented by general formula (I) or a pharmacologically acceptable salt thereof and a high-molecular-weight compound, wherein R 1 and R 2 may be the same or different and each represents (un)substituted lower alkyl; and Q represents hxdrogen or hxdroxy.

Drugs covered by this patent

Patent Metadata

Patent number
EP0784974A1
Jurisdiction
EP
Classification
—
Expires
1997-07-23
Drug substance claim
No
Drug product claim
No
Assignee
Kyowa 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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.