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Last Updated: July 28, 2021

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Details for Patent: 7,553,863

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Which drugs does patent 7,553,863 protect, and when does it expire?

Patent 7,553,863 protects ANTIZOL and is included in one NDA.

This patent has nine patent family members in eight countries.

Summary for Patent: 7,553,863
Title:Ultrapure 4-methylpyrazole
Abstract:Disclosed is an ultrapure 4-methylpyrazole containing less than 0.1% pyrazole and containing less than 10 ppm each of hydrazine and nitrobenzaldehyde. The ultrapure 4-methylpyrazole is prepared by a novel process so that less than 0.01% of ethylvinyl ether is present.
Inventor(s): Reardan; Dayton T. (Shorewood, MN), Combe; Michel D. (Fox Point, WI)
Assignee: Paladin Labs (Barbados) Inc. (Barbados, BB)
Application Number:11/279,708
Patent Claim Types:
see list of patent claims
Formulation; Compound; Process; Composition;

Drugs Protected by US Patent 7,553,863

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Par Pharm Inc ANTIZOL fomepizole INJECTABLE;INJECTION 020696-001 Dec 4, 1997 DISCN Yes No ⤷  Free Forever Trial ⤷  Free Forever Trial Y Y ⤷  Free Forever Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

International Family Members for US Patent 7,553,863

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia 2006240490 ⤷  Free Forever Trial
Canada 2605413 ⤷  Free Forever Trial
China 101163679 ⤷  Free Forever Trial
European Patent Office 1948613 ⤷  Free Forever Trial
Japan 2008538560 ⤷  Free Forever Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

Express Scripts
Boehringer Ingelheim

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