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Serving hundreds of leading biopharmaceutical companies globally:

Chubb
QuintilesIMS
Covington
AstraZeneca
Teva
Boehringer Ingelheim
McKinsey
Medtronic
US Department of Justice

Generated: May 23, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,997,841

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Summary for Patent: 4,997,841
Title: Indole derivatives
Abstract:Compounds are disclosed of formula (I) ##STR1## wherein R.sub.1 represents H or C.sub.1-6 alkyl; R.sub.2 represents H or C.sub.1-6 alkyl; R.sub.3 represents H; R.sub.4 represents H or C.sub.1-3 alkyl; and pharmaceutically acceptable salts and solvates (for example hydrates thereof. The compounds are indicated as useful for the treatment of migraine, cluster headache, chronic paroxysmal hemicrania and headache associated with vascular disorders. Processes and intermediates for their preparation and pharmaceutical compositions containing them are also disclosed.
Inventor(s): Oxford; Alexander W. (Royston, GB), Sutina; Darko (Arlesey, GB), Owen; Martin R. (Puckeridge, GB)
Assignee: Glaxo Group Limited (GB2)
Application Number:07/231,274
Patent Claim Types:
see list of patent claims
Compound; Use; Composition; Dosage form;

Drugs Protected by US Patent 4,997,841

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Foreign Priority and PCT Information for Patent: 4,997,841

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8719167Aug 13, 1987
United Kingdom8814002Jun 14, 1988
United Kingdom8814481Jun 17, 1988

International Family Members for US Patent 4,997,841

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
United Kingdom 8814481 ➤ Try a Free Trial
Hong Kong 86793 ➤ Try a Free Trial
Croatia P940625 ➤ Try a Free Trial
Hungary T50326 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

QuintilesIMS
Merck
Dow
Accenture
Covington
Teva
Daiichi Sankyo
Deloitte
McKesson

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