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Serving hundreds of leading biopharmaceutical companies globally:

Citi
US Army
Fuji
Mallinckrodt
McKinsey
AstraZeneca
Accenture
Boehringer Ingelheim
McKesson

Generated: June 18, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,659,516

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Summary for Patent: 4,659,516
Title: Steroid derivatives
Abstract:A steroid derivative of the formula: wherein ST is a 7.alpha.-linked steroid nucleus of the general formula: ##STR1## wherein the double bond(s) between carbon atoms 6 and 7 and/or carbon atoms 8 and 9 are optional; wherein the aromatic ring A may optionally bear one or two halogen or alkyl substituents; wherein R.sup.3 is hydrogen, alkyl, or acyl; wherein R.sup.16 is hydrogen, alkyl or hydroxy; wherein either R.sup.17 is hydroxy or acyloxy and R.sup.27 is hydrogen, alkyl, alkenyl or alkynyl, or R.sup.17 and R.sup.27 together form oxo (.dbd.O); wherein R.sup.18 is alkyl; wherein A is alkylene, alkenylene or alkynylene optionally fluorinated and optionally interrupted by --O--, --S--, --SO--, --SO.sub.2 --, --CO--, --NR--, --NRCO--, --CONR--, --COO--, --OCO-- or phenylene, wherein R is hydrogen or alkyl; wherein R.sup.1 is hydrogen, alkyl, alkenyl, cycloalkyl, halogenoalkyl, carboxyalkyl, alkoxycarbonylalkyl, aryl, arylalkyl, or dialkylaminoalkyl, or R.sup.1 is joined to R.sup.2 as defined below; and wherein X is --CONR.sup.2 --, --CSNR.sup.2 --, --NR.sup.12 CO--, --NR.sup.12 CS--, --NR.sup.12 CONR.sup.2 --, ##STR2## --SO.sub.2 NR.sup.2 -- or --CO--; or, when R.sup.1 is not hydrogen, is --O--, --NR.sup.2 --, --(NO)R.sup.2 --, --(PO)R.sup.2 --, --NR.sup.12 COO--; --NR.sup.12 SO.sub.2 --, --S--, --SO-- or --SO.sub.2 --; wherein R.sup.2 is hydrogen or alkyl or R.sup.1 and R.sup.2 together form alkylene or halogenoalkylene; wherein R.sup.12 is hydrogen or alkyl and wherein R.sup.22 is hydrogen, cyano or nitro; or a salt thereof when appropriate.
Inventor(s): Bowler; Jean (Sandbach, GB), Tait; Brian S. (Macclesfield, GB)
Assignee: Imperial Chemical Industries PLC (London, GB2)
Application Number:06/656,466
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 4,659,516
Patent Claim Types:
see list of patent claims
Compound; Process; Composition; Dosage form; Use;

Drugs Protected by US Patent 4,659,516

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: 4,659,516

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8327256Oct 12, 1983

International Family Members for US Patent 4,659,516

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 35814 ➤ Try a Free Trial
Germany 122004000011 ➤ Try a Free Trial
Germany 3472792 ➤ Try a Free Trial
European Patent Office 0138504 ➤ Try a Free Trial SPC/GB04/009 United Kingdom ➤ 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:

Farmers Insurance
Julphar
McKinsey
Mallinckrodt
Citi
McKesson
US Department of Justice
Queensland Health
Merck

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