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Expired Canadian patentCanada

Eliminating agent for glycosylated hemoglobin

CA 1338348 C · Owner: Sekisui Kagaku Kogyo Kabushiki Kaisha · Inventors: Takechi, Masahiro; Kawabe, Toshiki; Yamazaki, Kazutoshi

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Abstract From the Canadian patent

An eliminating agent used for the measurement of the amount of glycosylated hemoglobins in a blood sample is provided. The eliminating agent comprises condensed phosphoric acids and/or the salts thereof as the main ingredient, wherein the agent eliminates labile glycosylated hemoglobin A1c into non-glycosy-lated hemoglobin and glucose. There is also provided a reagent comprising the eliminating agent and a hemolysis agent which is used for the measurement of the amount of glycosylated hemoglobins; and an eluent comprising the eliminating agent, which is used for the separation of glycosylated hemoglobins in blood samples by ion-exchange chromatography to measure the amount of the …

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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 May 28, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 28, 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.
FiledSeptember 30, 1988
GrantedMay 28, 1996
Term endedMay 28, 2013
Patent numberCA 1338348 C
Classification (IPC)G01N33/72 +1 more

Timeline

Timeline From CIPO dates

198919921995199820012004200720102013Application filedSep 30, 1988Patent grantedMay 28, 1996Term endedMay 28, 2013

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