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Expired Canadian patentCanada

Process for producing gm2 specific antibodies

CA 2224460 C · Owner: Ritter, Gerd · Inventors: Old, Lloyd J.; Ritter, Gerd

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

The invention relates to the production of ganglioside-specific antibodies. These antibodies are produced following immunization with a lipopolysaccharide antigen of Campylobacter jejuni. The antibodies bind to GM2.

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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 June 11, 1996 and granted October 1, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 11, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 11, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 11, 1996
GrantedOctober 1, 2002
Term endedJune 11, 2016
Patent numberCA 2224460 C
Classification (IPC)C07K16/12 +2 more

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedJune 11, 1996Patent grantedOct 1, 2002Term endedJune 11, 2016

Sources & verification

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