US Patent

US7205302 — Heterocyclic compound derivatives and medicines

Method of Use · Assigned to Nippon Shinyaku Co Ltd · Expires 2026-10-31 · 0y remaining

Vulnerability score 80/100 Vulnerable — likely target for IPR or design-around

What this patent protects

This patent protects a compound useful as a PGI2 receptor agonist and a pharmaceutical composition containing it.

USPTO Abstract

The present invention provides a compound which is useful as a PGI 2 receptor agonist, and a pharmaceutical composition. The present invention is directed to a pharmaceutical composition comprising a compound represented by the following formula [1]: (R 1 and R 2 are the same or different and each represents optionally substituted aryl, Y represents N or CH, Z represents N or CH, A represents NH, NR 5 , O, S, or ethylene, R 5 represents alkyl, D represents alkylene or alkenylene, E represents phenylene or single bond, G represents O, S, or CH 2 , R 3 and R 4 are the same or different and each represents hydrogen or alkyl, Q represents carboxy, alkoxycarbonyl, tetrazolyl, carbamoyl, or N-(alkylsulfonyl)carbamoyl), or a pharmaceutically acceptable salt thereof as an active ingredient.

Drugs covered by this patent

FDA Patent Use Codes

When a patent is method-of-use, FDA lists it once per applicable indication ("U-code"). Each U-code carves out a specific therapeutic use that generic filers must either license or design around.

CodeDescriptionDrug
U-1797 Uptravi
U-1797 Uptravi
U-1797 Uptravi
U-1797 Uptravi
U-1797 Uptravi
U-1797 Uptravi
U-1797 Uptravi
U-1797 Uptravi
U-1797 Uptravi

Patent Metadata

Patent number
US7205302
Jurisdiction
US
Classification
Method of Use
Expires
2026-10-31
Drug substance claim
Yes
Drug product claim
Yes
Assignee
Nippon Shinyaku 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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