Last Updated: July 27, 2026

METAPROTERENOL Drug Patent Profile


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When do Metaproterenol patents expire, and what generic alternatives are available?

Metaproterenol is a drug marketed by Apotex Inc, Astrazeneca, DEY, Mylan Speciality Lp, Nephron, Wockhardt, Chartwell, Cosette, G And W Labs Inc, Morton Grove, Am Therap, Heritage Pharma, Strides Pharma Intl, Usl Pharma, and Watson Labs. and is included in twenty-nine NDAs.

The generic ingredient in METAPROTERENOL is metaproterenol sulfate. There are six drug master file entries for this compound. Additional details are available on the metaproterenol sulfate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Metaproterenol

A generic version of METAPROTERENOL was approved as metaproterenol sulfate by CHARTWELL on July 22nd, 1992.

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Summary for METAPROTERENOL
US Patents:0
Applicants:15
NDAs:29
Drug Prices: Drug price information for METAPROTERENOL
DailyMed Link:METAPROTERENOL at DailyMed

US Patents and Regulatory Information for METAPROTERENOL

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Usl Pharma METAPROTERENOL SULFATE metaproterenol sulfate TABLET;ORAL 071014-001 Jan 25, 1988 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Watson Labs METAPROTERENOL SULFATE metaproterenol sulfate TABLET;ORAL 073013-001 Jan 31, 1991 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Apotex Inc METAPROTERENOL SULFATE metaproterenol sulfate SOLUTION;INHALATION 075402-001 Feb 28, 2001 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
G And W Labs Inc METAPROTERENOL SULFATE metaproterenol sulfate SYRUP;ORAL 073034-001 Aug 30, 1991 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Heritage Pharma METAPROTERENOL SULFATE metaproterenol sulfate TABLET;ORAL 072520-001 Mar 30, 1990 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Dey METAPROTERENOL SULFATE metaproterenol sulfate SOLUTION;INHALATION 070805-001 Aug 17, 1987 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Astrazeneca METAPROTERENOL SULFATE metaproterenol sulfate SOLUTION;INHALATION 071018-001 Jul 27, 1988 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

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