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Generated: May 25, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,075,445

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Summary for Patent: 5,075,445

Title: Guanine derivatives
Abstract:A compound of formula (I) ##STR1## or a salt or acyl derivative thereof, in which X represents chlorine, C.sub.1-6 alkoxy, phenoxy, phenyl C.sub.1-6 alkoxy, NH.sub.2, --OH or --SH, is useful in treating viral infections.
Inventor(s): Jarvest; Richard L. (Surbiton, GB), Harnden; Michael R. (Horsham, GB)
Assignee: Beecham Group p.l.c. (Middlesex, GB)
Application Number:07/085,216
Patent Claim Types:
see list of patent claims		Compound;

No matches for this query

Foreign Priority and PCT Information for Patent: 5,075,445

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8322199Aug 18, 1983
United Kingdom8325271Sep 21, 1983
United Kingdom8408322Mar 30, 1984

International Patent Family for Patent: 5,075,445

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria389118► Subscribe
AustriaA904286► Subscribe
Australia3197384► Subscribe
Australia4756085► Subscribe
Australia577303► 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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