Last Updated: October 3, 2026

Details for Patent: 11,857,683


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Which drugs does patent 11,857,683 protect, and when does it expire?

Patent 11,857,683 protects SEZABY and is included in one NDA.

This patent has two patent family members in one country.

Summary for Patent: 11,857,683
Title:Stabilization of phenobarbital sodium for injection
Abstract:The present invention relates to a lyophilized pharmaceutical composition of hydrolytically unstable pharmaceutical compounds, such as phenobarbital or salts thereof. The present invention also relates to an aqueous solution for injection of phenobarbital or salts thereof that is reconstituted from the lyophilized pharmaceutical composition. The pharmaceutical compositions of the present disclosure have an ethanol content in the range from about 5000 ppm to about 70000 ppm. The composition of the present disclosure, in certain embodiments, is stable following two years of storage, wherein the total impurities do not exceed 0.5%. The pharmaceutical compositions of the present disclosure may be used for the treatment of neonatal seizures.
Inventor(s):Malay Shah, Bhushan Borole, Ravi PATEL, Ajay Jaysingh Khopade
Assignee: Sun Pharma Advanced Research Co Ltd
Application Number:US17/715,491
Patent Claim Types:
see list of patent claims
Use; Composition; Formulation;

Drugs Protected by US Patent 11,857,683

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Sun Pharm Inds Inc SEZABY phenobarbital sodium POWDER;INTRAVENOUS 215910-001 Nov 17, 2022 RX Yes Yes 11,857,683 ⤷  Start Trial Y METHOD OF TREATING NEONATAL SEIZURES ⤷  Start 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 11,857,683

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
World Intellectual Property Organization (WIPO) 2023175542 ⤷  Start Trial
World Intellectual Property Organization (WIPO) 2023281441 ⤷  Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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