Last Updated: September 24, 2026

ENFLURANE - Generic Drug Details

Name: ENFLURANE Generic Launch, Drug Patent, and Exclusivity Dataset
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

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What are the generic sources for enflurane and what is the scope of patent protection?

Enflurane is the generic ingredient in two branded drugs marketed by Abbott, Piramal Critical, and Baxter Hlthcare, and is included in three NDAs. Additional information is available in the individual branded drug profile pages.

Summary for ENFLURANE

US Patents:	0
Tradenames:	2
Applicants:	3
NDAs:	3
Raw Ingredient (Bulk) Api Vendors:	59
Clinical Trials:	3
Patent Applications:	4,667
DailyMed Link:	ENFLURANE at DailyMed

Recent Clinical Trials for ENFLURANE

Identify potential brand extensions & 505(b)(2) entrants

Sponsor	Phase
Penn State University	Phase 4
University of Leipzig	Phase 4
RWTH Aachen University	Phase 4

See all ENFLURANE clinical trials

Medical Subject Heading (MeSH) Categories for ENFLURANE

Anesthetics, Inhalation

Anatomical Therapeutic Chemical (ATC) Classes for ENFLURANE

N01AB	Halogenated hydrocarbons
N01A	ANESTHETICS, GENERAL
N01	ANESTHETICS
N	Nervous system

US Patents and Regulatory Information for ENFLURANE

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Glossary

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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
Piramal Critical	ENFLURANE	enflurane	LIQUID;INHALATION	074396-001	Jul 29, 1994		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Baxter Hlthcare	ETHRANE	enflurane	LIQUID;INHALATION	017087-001	Approved Prior to Jan 1, 1982		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Abbott	ENFLURANE	enflurane	LIQUID;INHALATION	070803-001	Sep 8, 1987		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

Expired US Patents for ENFLURANE

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	Patent No.	Patent Expiration
Baxter Hlthcare	ETHRANE	enflurane	LIQUID;INHALATION	017087-001	Approved Prior to Jan 1, 1982	⤷ Start Trial	⤷ Start Trial
Baxter Hlthcare	ETHRANE	enflurane	LIQUID;INHALATION	017087-001	Approved Prior to Jan 1, 1982	⤷ Start Trial	⤷ Start Trial
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>Patent No.	>Patent 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.