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Expired Canadian patentCanada

Functionally active selectin-derived peptides and ligand for gmp-140

CA 2086323 C · Owner: Mcever, Rodger P. · Inventors: Mcever, Rodger P.

CIPO record

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Abstract From the Canadian patent

Peptides derived from three regions of the lectin binding region of GMP-140 have been found to selectively interact with "selectins" including GMP-140, ELAM-1, and lymphocyte homing receptor. The three regions include amino acids 19-34 54-72, and 66-89, based on the, numbers of the residues contained in the peptide with residue 1 de-, fined as the N terminus of the mature protein after cleavage of the signal peptide. Fucosylated sialyated lactosamine structures that bind to GMP-140 have also been discovered. The structure is created by expression of .alpha.(1,3) fucosyltransferases capable of modifying acceptors containing .alpha.(2,3) sialic acid-substituted lactosaminoglycans. Le x …

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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 July 17, 1991 and granted May 14, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 17, 2011.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 17, 2013.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 17, 1991
GrantedMay 14, 2002
Term endedJuly 17, 2011
Patent numberCA 2086323 C
Classification (IPC)C07K14/70 +2 more

Timeline

Timeline From CIPO dates

1992199419961998200020022004200620082010Application filedJuly 17, 1991Patent grantedMay 14, 2002Term endedJuly 17, 2011

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