Last Updated: September 28, 2026

ASCOR Drug Patent Profile

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Which patents cover Ascor, and when can generic versions of Ascor launch?

Ascor is a drug marketed by Mcguff, Fresenius Kabi Usa, and Stira. and is included in three NDAs.

The generic ingredient in ASCOR is ascorbic acid. Three suppliers are listed for this compound. Additional details are available on the ascorbic acid profile page.

DrugPatentWatch^® Litigation and Generic Entry Outlook for Ascor

A generic version of ASCOR was approved as ascorbic acid by FRESENIUS KABI USA on August 7^th, 2025.

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Summary for ASCOR

US Patents:	0
Applicants:	3
NDAs:	3

US Patents and Regulatory Information for ASCOR

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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
Mcguff	ASCOR	ascorbic acid	SOLUTION;INTRAVENOUS	209112-001	Oct 2, 2017	AP	RX	Yes	Yes	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Fresenius Kabi Usa	ASCORBIC ACID	ascorbic acid	SOLUTION;INTRAVENOUS	217131-001	Aug 7, 2025	AP	RX	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Stira	ASCORBIC ACID	ascorbic acid	SOLUTION;INTRAVENOUS	220172-001	Jul 30, 2026	AP	RX	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

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