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Details for Patent: 5,583,131

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Summary for Patent: 5,583,131

Title: Aromatic-linked polyamine macrocyclic compounds with anti-HIV activity
Abstract:Polyamine macrocyclic compounds, e.g. of 10 to 15 ring members and 3 to 6 ring amine nitrogens, linked through methylene groups to an aromatic moiety, show high selective activity against HIV.
Inventor(s): Bridger; Gary J. (West Chester, PA), Padmanbhan; Sreenivasan (Exton, PA), Skerlj; Renato T. (West Chester, PA), Thornton; David M. (Reading, PA)
Assignee: Johnson Matthey Public Limited Company (London, GB)
Application Number:08/244,863
Patent Claim Types:
see list of patent claims
Composition; Compound;

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Foreign Priority and PCT Information for Patent: 5,583,131

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom91/26677Dec 16, 1991
PCT Information
PCT FiledDecember 16, 1992PCT Application Number:PCT/GB92/02334
PCT Publication Date:June 24, 1993PCT Publication Number: WO93/12096

International Patent Family for Patent: 5,583,131

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria273964► subscribe
Australia3165593► subscribe
Australia661086► 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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