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Generated: December 13, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,602,017

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Summary for Patent: 4,602,017

Title: Substituted aromatic compounds
Abstract:The present invention provides compounds of the formula (III): ##STR1## or an acid addition salt thereof, wherein R.sup.6 is chlorine, bromine, iodine, C.sub.1-4 alkyl or trifluoromethyl, or R.sup.6 and R.sup.7 from a --CH.dbd.CH--CH.dbd.CH-- group optionally substituted by a halogen atom or a C.sub.1-4 alkyl or trifluoromethyl group, R.sup.8 is hydrogen, bromine, iodine, C.sub.1-4 alkyl or trifluoromethyl, R.sup.9 is hydrogen, halogen, C.sub.1-4 alkyl or trifluoromethyl, R.sup.10 is hydrogen, methyl or fluorine and R.sup.11 is amino, C.sub.1-10 acylamino or di-substituted aminomethyleneamino provided that, at most, only two of R.sup.7 -R.sup.10 are other than hydrogen and that R.sup.7 -R.sup.10 are not all hydrogen when R.sup.6 is chlorine. Also provided are pharmaceutical compositions containing compounds of the formula (III), the first medical use of compounds of the formula (III), a process for preparing such compounds and intermediates through which this process proceeds.
Inventor(s): Sawyer; David A. (Hayes, Kent, GB2), Baxter; Martin G. (Dartford, Kent, GB2), Miller; Alistair A. (Tonbridge, Kent, GB2)
Application Number:06/583,286
Patent Claim Types:
see list of patent claims
Compound; Composition; Dosage form; Formulation; Use;

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Foreign Priority and PCT Information for Patent: 4,602,017

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom7919257Jun 01, 1979

International Patent Family for Patent: 4,602,017

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina227521► Subscribe
Austria370097► Subscribe
AustriaA289680► Subscribe
Australia530999► Subscribe
Australia566870► Subscribe
Australia5890680► Subscribe
Bulgaria60427► Subscribe
Canada1112643► Subscribe
Canada1133938► Subscribe
Czechoslovakia234018► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Harvard Business School
Fish and Richardson
Argus Health

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