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Canadian application, no grantCanada

Inhibition of cell surface protein disulfide isomerase

CA 2290005 A1 · Owner: Palmer, Robert B. · Inventors: Palmer, Robert B.; Rogelj, Snezna; Sklar, Larry A.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The invention provides anti-thiol reagents which inhibit enzyme activity of cell-associated protein disulfide isomerase (PDI) by oxidizing or blocking PDI active site vicinal thiol groups which normally participate in disulfide bond rearrangement of PDI substrates. Inhibition of this PDI function is particularly useful in blocking PDI-mediated entry of HIV or other virions into a host cell. The invention further provides an assay for the identification of such PDI inhibitors based on the discovery that inhibitors of the invention also induce shedding of the leucocyte L-selectin adhesion molecule.

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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 May 14, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 14, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 14, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 14, 1998
GrantedNo grant recorded
Term endedMay 14, 2018
Patent numberCA 2290005 A1
Classification (IPC)A61K31/28 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedMay 14, 1998Term endedMay 14, 2018

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.