Antiviral compositions containing sulfoquinovosyl glycerol derivatives and analogs thereof and methods for using the same
CA 2064772 A1 · Owner: Weislow, Owen S. · Inventors: Mcmahon, James B.; Cardellina, John H. Ii; Boyd, Michael R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Antiviral compositions useful for inhibition of the cytopathic effects of the human immunodeficiency virus (HIV) which is, implicated as a causative agent of AIDS (Acquired Immune Deficiency Syndrome), include a new class of HIV-inhibitory compounds the, sulfonic acid-containing glycolipids. The pure compounds were active against HIV in cultured human lymphoblastoid CEM MT-2, LVD-7 and , C3-44 cell lines as indicated by the tetrazolium assay as well, as by correlative p24 viral protein and syncytia formation assays.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed August 3, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 3, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 3, 2012.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.