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AstraZeneca
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Accenture
Teva
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Colorcon
Express Scripts
McKesson
Healthtrust

Generated: May 23, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,128,658

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Summary for Patent: 4,128,658
Title: Aminoalkyl furan derivatives
Abstract:Compounds of the general formula I: ##STR1## and physiologically acceptable salts thereof and N-oxides and hydrates, in which R.sub.1 and R.sub.2 which may be the same or different represent hydrogen, lower alkyl, cycloalkyl, lower alkenyl, aralkyl or lower alkyl interrupted by an oxygen atom or a group ##STR2## in which R.sub.4 represents hydrogen or lower alkyl or R.sub.1 and R.sub.2 may, together with the nitrogen atom to which they are attached, form a heterocyclic ring which may contain other heteroatoms selected from O and ##STR3## R.sub.3 is hydrogen, lower alkyl, lower alkenyl or alkoxyalkyl; X is --CH.sub.2 --, O or S; Y represents .dbd. S, .dbd. O, .dbd. NR.sub.5 or .dbd. CHR.sub.6 ; Alk denotes a straight or branched alkylene chain of 1 to 6 carbon atoms; R.sub.5 is H, nitro, cyano, lower alkyl, aryl, alkylsulphonyl, or arylsulphonyl; R.sub.6 represents nitro, arylsulphonyl or alkylsulphonyl; M is an integer from 2 to 4; and N is 1 or 2; or when X .dbd. S, or --CH.sub.2 --, n is zero, 1 or 2. These compounds have H.sub.2 -antagonist activity. Intermediates in the production thereof are also provided.
Inventor(s): Price; Barry J. (Hertford, GB2), Clitherow; John W. (Sawbridgeworth, GB2), Bradshaw; John (Ware, GB2)
Assignee: Allen & Hanburys Limited (London, GB2)
Application Number:05/818,762
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 4,128,658
Patent Claim Types:
see list of patent claims
Compound; Composition; Dosage form; Use;

Drugs Protected by US Patent 4,128,658

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: 4,128,658

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom32465/76Aug 4, 1976
United Kingdom50685/76Dec 6, 1976
United Kingdom20187/77May 13, 1977

International Family Members for US Patent 4,128,658

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria A574077 ➤ Try a Free Trial
Austria 375931 ➤ Try a Free Trial
Austria A322880 ➤ Try a Free Trial
Austria 381937 ➤ 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:

Dow
Daiichi Sankyo
Chinese Patent Office
Cerilliant
US Army
Express Scripts
Baxter
QuintilesIMS
Citi

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