Last Updated: August 9, 2026

Details for Patent: 11,712,442


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Which drugs does patent 11,712,442 protect, and when does it expire?

Patent 11,712,442 protects YUTREPIA and is included in one NDA.

This patent has twelve patent family members in six countries.

Summary for Patent: 11,712,442
Title:Dry powder treprostinil for the treatment of pulmonary hypertension
Abstract:A dry powder inhalation treatment for pulmonary arterial hypertension includes a dose of dry particles comprising greater than 25 micrograms of treprostinil enclosed in a capsule. The dry particles can include treprostinil, a wetting agent, a hydrophobicity modifying agent, a pH modifying agent and a buffer. A method of treating a patient having pulmonary arterial hypertension includes providing a patient a dry powder inhaler, providing the patient at least one capsule for use in the dry powder inhaler, the capsule including at least 25 micrograms of treprostinil.
Inventor(s):Robert Frank Roscigno, Brian T. Farrer, Jacob J. Sprague, Benjamin Maynor
Assignee: Liquidia Technologies Inc
Application Number:US17/104,348
Patent Claim Types:
see list of patent claims
Use; Composition; Dosage form;

Drugs Protected by US Patent 11,712,442

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Liquidia Tech YUTREPIA treprostinil sodium POWDER;INHALATION 213005-001 May 23, 2025 RX Yes Yes ⤷  Start Trial ⤷  Start Trial METHOD OF TREATING PULMONARY ARTERIAL HYPERTENSION OR PULMONARY HYPERTENSION ASSOCIATED WITH INTERSTITIAL DISEASE BY ADMINISTERING TREPROSTINIL OR A SALT THEREOF BY USING AN INHALATION DEVICE ⤷  Start Trial
Liquidia Tech YUTREPIA treprostinil sodium POWDER;INHALATION 213005-002 May 23, 2025 RX Yes Yes ⤷  Start Trial ⤷  Start Trial METHOD OF TREATING PULMONARY ARTERIAL HYPERTENSION OR PULMONARY HYPERTENSION ASSOCIATED WITH INTERSTITIAL DISEASE BY ADMINISTERING TREPROSTINIL OR A SALT THEREOF BY USING AN INHALATION DEVICE ⤷  Start Trial
Liquidia Tech YUTREPIA treprostinil sodium POWDER;INHALATION 213005-003 May 23, 2025 RX Yes Yes ⤷  Start Trial ⤷  Start Trial METHOD OF TREATING PULMONARY ARTERIAL HYPERTENSION OR PULMONARY HYPERTENSION ASSOCIATED WITH INTERSTITIAL DISEASE BY ADMINISTERING TREPROSTINIL OR A SALT THEREOF BY USING AN INHALATION DEVICE ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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