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Expired Canadian patentCanada

Monoclonal antibody recognizing un-natural ganglioside gd

CA 1316848 C · Owner: Ogawa, Tomoya · Inventors: Kannagi, Reiji; Sugimoto, Mamoru; Ogawa, Tomoya

CIPO record

Overview

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

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Abstract From the Canadian patent

A monoclonal antibody, a hybridoma which produces the antibody and a process for producing a hybridoma. The monoclonal antibody exhibits specificity to a sialic acid glycolipid which contains at least one epitope selected from the group consisting of NeuAc .alpha. 2 ? 9NeuAc terminal NeuAc .alpha. 2 ? 6Gal .beta. terminal and NeuAc .alpha. 2 ?lCer.

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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

  • Granted April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 15, 1989
GrantedApril 27, 1993
Term endedApril 27, 2010
Patent numberCA 1316848 C
Classification (IPC)C12P21/08 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedFeb 15, 1989Patent grantedApril 27, 1993Term endedApril 27, 2010

Sources & verification

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