Last Updated: August 9, 2026

Details for Patent: 9,604,901


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Which drugs does patent 9,604,901 protect, and when does it expire?

Patent 9,604,901 protects ORENITRAM and is included in one NDA.

This patent has fifteen patent family members in seven countries.

Summary for Patent: 9,604,901
Title:Process to prepare treprostinil, the active ingredient in Remodulin®
Abstract:This present invention relates to an improved process to prepare prostacyclin derivatives. One embodiment provides for an improved process to convert benzindene triol to treprostinil via salts of treprostinil and to purify treprostinil.
Inventor(s):Hitesh Batra, Sudersan M. TULADHAR, Raju Penmasta, David A. Walsh
Assignee: United Therapeutics Corp
Application Number:US14/754,932
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 9,604,901
Patent Claim Types:
see list of patent claims
Use; Formulation;

Drugs Protected by US Patent 9,604,901

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
United Therap ORENITRAM treprostinil diolamine TABLET, EXTENDED RELEASE;ORAL 203496-001 Dec 20, 2013 RX Yes No 9,604,901 ⤷  Start Trial Y Y ⤷  Start Trial
United Therap ORENITRAM treprostinil diolamine TABLET, EXTENDED RELEASE;ORAL 203496-005 Oct 7, 2016 RX Yes No 9,604,901 ⤷  Start Trial Y Y ⤷  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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