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Last Updated: October 22, 2020

DrugPatentWatch Database Preview

Details for Patent: 6,579,981

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Which drugs does patent 6,579,981 protect, and when does it expire?

Patent 6,579,981 protects DENAVIR and is included in one NDA.

This patent has seventy-one patent family members in twenty-seven countries.

Summary for Patent: 6,579,981
Title: Antiviral 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 Lewis (Surbiton, GB), Harnden; Michael Raymond (Horsham, GB)
Assignee: Novartis International Pharmaceutical Ltd. (Hamilton, BM)
Application Number:08/311,291
Patent Claim Types:
see list of patent claims
Composition; Compound; Use; Formulation;

Drugs Protected by US Patent 6,579,981

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Mylan DENAVIR penciclovir CREAM;TOPICAL 020629-001 Sep 24, 1996 RX Yes Yes   Start Trial   Start Trial TREATMENT OF RECURRENT HERPES LABIALIS (COLD SORES) IN ADULTS   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 6,579,981

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom8325271Sep 21, 1908
United Kingdom8322199Aug 18, 1983
United Kingdom8408322Mar 30, 1984

International Family Members for US Patent 6,579,981

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 389118   Start Trial
Austria A904286   Start Trial
Australia 3197384   Start Trial
Australia 4756085   Start Trial
Australia 577303   Start Trial
Australia 589371   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

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