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Last Updated: December 12, 2025

PHERAZINE VC W Drug Patent Profile

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Which patents cover Pherazine Vc W, and when can generic versions of Pherazine Vc W launch?

Pherazine Vc W is a drug marketed by Halsey and is included in one NDA.

The generic ingredient in PHERAZINE VC W is codeine phosphate; phenylephrine hydrochloride; promethazine hydrochloride. There are nineteen drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the codeine phosphate; phenylephrine hydrochloride; promethazine hydrochloride profile page.

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Summary for PHERAZINE VC W

US Patents:	0
Applicants:	1
NDAs:	1
DailyMed Link:	PHERAZINE VC W at DailyMed

Drug patent expirations by year for PHERAZINE VC W

US Patents and Regulatory Information for PHERAZINE VC W

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Halsey	PHERAZINE VC W/ CODEINE	codeine phosphate; phenylephrine hydrochloride; promethazine hydrochloride	SYRUP;ORAL	088870-001	Mar 2, 1987		DISCN	No	No	⤷ Get Started Free	⤷ Get Started Free				⤷ Get Started Free
>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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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.