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Last Updated: November 22, 2024

DARVON W/ ASA Drug Patent Profile


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When do Darvon W/ Asa patents expire, and what generic alternatives are available?

Darvon W/ Asa is a drug marketed by Xanodyne Pharm and is included in one NDA.

The generic ingredient in DARVON W/ ASA is aspirin; propoxyphene hydrochloride. There are twenty-two drug master file entries for this compound. Additional details are available on the aspirin; propoxyphene hydrochloride profile page.

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Summary for DARVON W/ ASA
US Patents:0
Applicants:1
NDAs:1
DailyMed Link:DARVON W/ ASA at DailyMed
Drug patent expirations by year for DARVON W/ ASA

US Patents and Regulatory Information for DARVON W/ ASA

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Xanodyne Pharm DARVON W/ ASA aspirin; propoxyphene hydrochloride CAPSULE;ORAL 010996-005 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Sign Up ⤷  Sign Up ⤷  Sign Up
>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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