US 2025/0154181 A1Published application

Treprostinil prodrugs

AssigneeUnited Therapeutics Corporation

InventorsKenneth Robert Phares, Hitesh Batra, Liang Guo

Life of this patent

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Abstract

Provided are novel prodrugs of treprostinil, as well as methods of making and methods of using these prodrugs.

Claims17

Dependent claims

A compound selected from the group consisting of:

or a pharmaceutically acceptable salt hereof.

Dependencies are inferred from the claim text.

Facts

Application: 18/999,766Filed 23 Dec 2024
Priority: 23 Aug 2019
Published: 15 May 2025
Term ends: Not estimatedThe source records don’t support an estimate.

Classification24 codes

A61P 9/00
Drugs for disorders of the cardiovascular system
C07F 9/65744
Esters of oxyacids of phosphorus: condensed with carbocyclic or heterocyclic rings or ring systems
A61P 11/00
Drugs for disorders of the respiratory system
C07C 59/72
Containing ether groups, [IMAGE cpc-sch-C07C-0958.gif] groups,[IMAGE cpc-sch-C07C-0959.gif] groups, or[IMAGE cpc-sch-C07C-0960.gif] groups:…

Family

Application62/890,839Us provisional application · filed 23 Aug 2019
Application62/976,183Us provisional application · filed 13 Feb 2020
Application17/001,123Continuation · filed 24 Aug 2020
Application18/120,110Continuation · filed 10 Mar 2023
Application18/999,766Continuation
US 11,634,443 B2Related patent
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US 2021/0054009 A1Published application
US 2024/0051979 A1Published application
US 2025/0154181 A1This patent

From the US filing history. Foreign family members aren’t listed.

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