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Last Updated: November 12, 2019

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 Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,579,981
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

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