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Last Updated: March 28, 2024

ANTAGONATE Drug Patent Profile


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

Antagonate is a drug marketed by Bayer Pharms and is included in one NDA.

The generic ingredient in ANTAGONATE is chlorpheniramine maleate. There are twenty-nine drug master file entries for this compound. Two suppliers are listed for this compound. Additional details are available on the chlorpheniramine maleate profile page.

DrugPatentWatch® Litigation and Generic Entry Outlook for Antagonate

A generic version of ANTAGONATE was approved as chlorpheniramine maleate by AVANTHI INC on May 13th, 2009.

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US Patents and Regulatory Information for ANTAGONATE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Bayer Pharms ANTAGONATE chlorpheniramine maleate TABLET;ORAL 083381-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a 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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