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Last Updated: March 28, 2024

DARVON-N W/ ASA Drug Patent Profile


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

Darvon-n W/ Asa is a drug marketed by Aaipharma Llc and is included in two NDAs.

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

Summary for DARVON-N W/ ASA
US Patents:0
Applicants:1
NDAs:2
Formulation / Manufacturing:see details
DailyMed Link:DARVON-N W/ ASA at DailyMed
Drug patent expirations by year for DARVON-N W/ ASA

US Patents and Regulatory Information for DARVON-N W/ ASA

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Aaipharma Llc DARVON-N W/ ASA aspirin; propoxyphene napsylate CAPSULE;ORAL 016829-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Try a Trial ⤷  Try a Trial ⤷  Try a Trial
Aaipharma Llc DARVON-N W/ ASA aspirin; propoxyphene napsylate TABLET;ORAL 016863-001 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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