EP Patent

EP0598359A1 — Hypoglycemic dihydrochalcone derivatives

Assigned to Tanabe Pharma Corp · Expires 1994-05-25 · 32y expired

What this patent protects

A hypoglycemic agent which comprises as an active ingredient a dihydrochalcone derivative of the formula [I]: wherein Ar is an aryl group, R¹ is hydrogen atom or an acyl group, R² is hydrogen atom, an acyl group or α-D-glucopyranosyl group, or R¹ and R² may combine toget…

USPTO Abstract

A hypoglycemic agent which comprises as an active ingredient a dihydrochalcone derivative of the formula [I]: wherein Ar is an aryl group, R¹ is hydrogen atom or an acyl group, R² is hydrogen atom, an acyl group or α-D-glucopyranosyl group, or R¹ and R² may combine together to form a substituted methylene group, R³ and R⁴ are each hydrogen atom or an acyl group, and a group of the formula: OR⁵ is a protected or unprotected hydroxy group or a lower alkoxy group, or a pharmaceutically acceptable salt thereof.

Drugs covered by this patent

Patent Metadata

Patent number
EP0598359A1
Jurisdiction
EP
Classification
—
Expires
1994-05-25
Drug substance claim
No
Drug product claim
No
Assignee
Tanabe Pharma Corp
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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