Guest guest Posted June 24, 2011 Report Share Posted June 24, 2011 Pharmasset Announces Issuance of U.S. Patent for PSI-7977 From the PharmaLive.com News Archive - Jun. 22, 2011 Pharmasset announces that the United States Patent and Trademark Office has issued U.S. patent 7,964,580 ( " the '580 patent " ) titled " Nucleoside Phosphoramidate Prodrugs " . This patent generally relates to the composition of matter of PSI-7977 and its diastereomeric mixture for the treatment of hepatitis C virus (HCV). PSI-7977, a uracil nucleotide analogue polymerase inhibitor of HCV, is being studied in multiple phase 2 trials. Quote Link to comment Share on other sites More sharing options...
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