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Expired Canadian patentCanada

Agglutination assay

CA 1308652 C · Owner: Agen Limited · Inventors: Hillyard, Carmel J.; Kemp, Bruce E.; Bundesen, Peter Gregory

CIPO record

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Abstract From the Canadian patent

In a novel, erythrocyte agglutination assay the agglutination, reagent comprises an erythrocyte binding portion attached to a specific analyte binding portion or to an analyte analogue wherein the reagent does not cause agglutination when incubated with endogenous erythrocytes in the absence of analyte or analyte binding reagent. Mixtures of reagents may also be used as agglutination reagents. The reagents and their use in direct or indirect assays is disclosed. T?/148?

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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 October 13, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 15, 1988
GrantedOctober 13, 1992
Term endedOctober 13, 2009
Patent numberCA 1308652 C
Classification (IPC)G01N33/55 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedSep 15, 1988Patent grantedOct 13, 1992Term endedOct 13, 2009

Sources & verification

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