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Last Updated: March 28, 2024

Details for Patent: 6,040,344


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Summary for Patent: 6,040,344
Title: Formoterol process
Abstract:A method is disclosed for the preparation of optically pure isomers of formoterol by the reaction of an optically pure 4-benzyloxy-3-formamidostyrene oxide with an optically pure 4-methoxy-.alpha.-methyl-N-(phenylmethyl)benzeneethanamine followed by debenzylation. Useful intermediates in the process are also disclosed, as are the novel L-tartrate salt of R,R-formoterol and pharmaceutical compositions thereof.
Inventor(s): Gao; Yun (Southborough, MA), Hett; Robert (Aarau, CH), Fang; Kevin Q. (Wellesley, MA), Wald; Stephen A. (Sudbury, MA), Redmon; Martin P. (Marlborough, MA), Senanayake; Chris Hugh (Shrewsbury, MA)
Assignee: Sepracor Inc. (Marlborough, MA)
Application Number:09/083,010
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,040,344
Patent Claim Types:
see list of patent claims
Compound; Composition; Delivery; Dosage form;

Drugs Protected by US Patent 6,040,344

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 6,040,344

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 219047 ⤷  Try a Trial
Austria 259779 ⤷  Try a Trial
Australia 2705900 ⤷  Try a Trial
Australia 5175598 ⤷  Try a Trial
Australia 722859 ⤷  Try a Trial
Australia 748508 ⤷  Try a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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