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Serving hundreds of leading biopharmaceutical companies globally:

Johnson and Johnson
Chubb
Covington
QuintilesIMS
Merck
Medtronic
Fish and Richardson
Chinese Patent Office
Argus Health

Generated: May 23, 2018

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Claims 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 Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 5,075,445
Patent Claims: 1. An antiviral compound of formula I which is designated 9-(4-hydroxy-3-hydroxymethylbut-1-yl)guanine: ##STR25## or a pharmaceutically acceptable salt thereof, said compound being in a substantially pure, crystalline form and having a melting point of about 275.degree.-277.degree. C.

2. The sodium salt of said compound of claim 1.

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Serving hundreds of leading biopharmaceutical companies globally:

Mallinckrodt
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Dow
Baxter
Johnson and Johnson
Cantor Fitzgerald
Cerilliant
Accenture

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