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Last Updated: October 22, 2020

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Details for Patent: 6,197,819

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Summary for Patent: 6,197,819
Title: Gamma amino butyric acid analogs and optical isomers
Abstract:A compound of the formula ##STR1## wherein R.sub.1 is a straight or branched alkyl group having from 1 to 6 carbon atoms, phenyl, or cycloalkyl having from 3 to 6 carbon atoms; R.sub.2 is hydrogen or methyl; and R.sub.3 is hydrogen, methyl or carboxyl; which is useful in the treatment of seizure disorders. Processes are disclosed for the preparation of the compound. Intermediates prepared during the synthesis of the compound are also disclosed.
Inventor(s): Silverman; Richard B. (Morton Grove, IL), Andruszkiewicz; Ryszard (Sopot, PL)
Assignee: Northwestern University (Evanston, IL)
Application Number:08/420,905
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,197,819
Patent Claim Types:
see list of patent claims
Compound; Composition;

Drugs Protected by US Patent 6,197,819

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>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 6,197,819

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 207052   Start Trial
Australia 4379493   Start Trial
Australia 677008   Start Trial
Australia 9137091   Start Trial
Canada 2134674   Start Trial
Czech Republic 286106   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

AstraZeneca
McKesson
Medtronic
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Dow
Mallinckrodt

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