Patent assignee · CA · COMPANY

BioChem Pharma Inc.

62Patents
0Active
62Granted
36Portfolio score

Filing activity: Jun 30, 1989 → Feb 24, 2003

Most-cited patents

PatentTitleAreaCited byStatus
US5466806A Processes for preparing substituted 1,3-oxathiolanes with antiviral properties Chemistry; Metallurgy 86 Expired
US5312899A Dermorphin analogs Human Necessities 85 Expired
US5270315A 4-(purinyl bases)-substituted-1,3-dioxlanes Chemistry; Metallurgy 75 Expired
US6784161B2 Method for the treatment or prevention of flavivirus infections using nucleoside analogues Human Necessities 67 Expired
US6566365B1 Method for the treatment of Flaviviridea viral infection using nucleoside analogues Human Necessities 53 Expired
US6274620A Thiophene integrin inhibitors Chemistry; Metallurgy 53 Expired
US5538975A 1,3-oxathiolane nucleoside compounds and compositions Chemistry; Metallurgy 53 Expired
US5756706A Processes for the diastereoselective synthesis of nucleoside analogues Chemistry; Metallurgy 52 Expired
US5696254A Processes for the diastereoselective synthesis of nucleoside analogues Chemistry; Metallurgy 51 Expired
US5486520A 1,3-oxathiolanes useful in the treatment of hepatitis Human Necessities 48 Expired
US5151426A 2-substituted-5-substituted-1,3-oxathiolanes with antiviral properties Chemistry; Metallurgy 42 Expired
US6340690B1 Antiviral methods using [1,8]naphthyridine derivatives Human Necessities 42 Expired
US5618820A 1,3-oxathiolane nucleoside analogues and methods for using same Chemistry; Metallurgy 42 Expired
US5684164A Processes for preparing substituted 1,3-oxathiolanes with antiviral properties Chemistry; Metallurgy 39 Expired
US5587480A Substituted 1,3-oxathiolanes and substituted 1,3-dithiolanes with antiviral properties Chemistry; Metallurgy 36 Expired
US6444656B1 Antiviral phosphonate nucleotides Chemistry; Metallurgy 34 Expired
US5955610A Antiviral compounds Chemistry; Metallurgy 32 Expired
US6005107A Antiviral compounds Chemistry; Metallurgy 30 Expired
US5994361A Substituted purinyl derivatives with immunomodulating activity Human Necessities 29 Expired
US5744596A Nucleoside analogues and synthetic intermediates Chemistry; Metallurgy 27 Expired
US6350753B1 2-Substituted-4-substituted-1,3-dioxolanes and use thereof Chemistry; Metallurgy 27 Expired
US6110923A Method for treating cancer using novel substituted purinyl derivatives with immunomodulating activity Human Necessities 26 Expired
US5532246A Use of 1,3-oxathiolane nucleoside analogues in the treatment of hepatitis B Human Necessities 26 Expired
US6605614B2 [1,8] naphthyridine derivatives having antiviral activity Human Necessities 26 Expired
US6630488B1 Quinolizinones as integrin inhibitors Chemistry; Metallurgy 26 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.