EP Patent

EP0784974B1 — preparation of xanthine derivatives in a solid dispersion

Assigned to Kyowa Kirin Co Ltd · Expires 2003-05-21 · 23y 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 eac…

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. <CHEM> <IMAGE>

Drugs covered by this patent

Patent Metadata

Patent number
EP0784974B1
Jurisdiction
EP
Classification
Expires
2003-05-21
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.

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